Kôji Seki - Contact Info, Agent, Manager (original) (raw)

Past Television (78 titles) Episodes
May I Ask for One Final Thing? May I Ask for One Final Thing? (2025) (TV Series)-Rex (voice) (6 episodes, 2025) Rex (voice) (6 episodes, 2025) See fewer May I Ask for One Final Thing? (Dec 20, 2025) Season 1, Episode 13-Rex (voice) Rex (voice) See fewer 6
Star Wars: Visions Star Wars: Visions (2025) (TV Series)-Eno's Father / Resistance Member (voice) (as Koji Seki) (1 episode, 2025) Eno's Father / Resistance Member (voice) (as Koji Seki) (1 episode, 2025) See fewerThe Bounty Hunters (Oct 29, 2025) Season 3, Episode 4-Eno's Father / Resistance Member (voice) (as Koji Seki) Eno's Father / Resistance Member (voice) (as Koji Seki) See fewer 1
Gachiakuta Gachiakuta (2025) (TV Series)-Attacker (voice) (1 episode, 2025) Attacker (voice) (1 episode, 2025) See fewer Arashi no Mae no Arashi (Oct 12, 2025) Season 1, Episode 14-Attacker (voice) Attacker (voice) See fewer 1
Inexpressive Kashiwada and Expressive Oota Inexpressive Kashiwada and Expressive Oota (2025) (TV Series)-Math Teacher (voice) (1 episode, 2025) Math Teacher (voice) (1 episode, 2025) See fewer Mattaku Kao ni Denai Kashiwada-san to Mechakucha Kao ni Deru Oota-kun (Oct 4, 2025) Season 1, Episode 1-Math Teacher (voice) Math Teacher (voice) See fewer 1
A Couple of Cuckoos A Couple of Cuckoos (2025) (TV Series)-Old Man (voice) (1 episode, 2025) Old Man (voice) (1 episode, 2025) See fewer Thank You for Falling in Love with Me (Sep 23, 2025) Season 2, Episode 12-Old Man (voice) Old Man (voice) See fewer 1
Puniru is a Kawaii Slime Puniru is a Kawaii Slime (2024–2025) (TV Series)-Academic Researchers / Academic Researcher / Santa (voice) (4 episodes, 2024) Academic Researchers / Academic Researcher / Santa (voice) (4 episodes, 2024) See fewer Friendly Enough to Always Argue (Sep 7, 2025) Season 2, Episode 10-Santa (voice) Santa (voice) See fewer 4
Sword of the Demon Hunter: Kijin Gentosho Sword of the Demon Hunter: Kijin Gentosho (2025) (TV Series)-Man (voice) (1 episode, 2025) Man (voice) (1 episode, 2025) See fewer Negai (Zenpen) (Aug 25, 2025) Season 1, Episode 20-Man (voice) Man (voice) See fewer 1
Solo Camping for Two Solo Camping for Two (2025) (TV Series)-Manager (voice) (1 episode, 2025) Manager (voice) (1 episode, 2025) See fewer Solo no Hajimari (Aug 21, 2025) Season 1, Episode 7-Manager (voice) Manager (voice) See fewer 1
Ultraman Omega Ultraman Omega (2025) (TV Series)-Weather Forecaster (voice) (1 episode, 2025) Weather Forecaster (voice) (1 episode, 2025) See fewer Beware of the Cold Wave (Jul 19, 2025) Season 1, Episode 3-Weather Forecaster (voice) Weather Forecaster (voice) See fewer 1
Turkey! Turkey! (2025) (TV Series)-Samurai (voice) (1 episode, 2025) Samurai (voice) (1 episode, 2025) See fewer Hesitant, Outspot (Jul 16, 2025) Season 1, Episode 2-Samurai (voice) Samurai (voice) See fewer 1
Welcome to the Outcast's Restaurant! Welcome to the Outcast's Restaurant! (2025) (TV Series)-Merchant (voice) (1 episode, 2025) Merchant (voice) (1 episode, 2025) See fewerOmae wa Jiyûda (Jul 3, 2025) Season 1, Episode 1-Merchant (voice) Merchant (voice) See fewer 1
Summer Pockets Summer Pockets (2025) (TV Series)-Actor (voice) (2 episodes, 2025) Actor (voice) (2 episodes, 2025) See fewer A Pair of Butterflies (Jun 30, 2025) Season 1, Episode 13-Actor (voice) Actor (voice) See fewer Priestess of Sorakado (Jun 23, 2025) Season 1, Episode 12-Actor (voice) Actor (voice) See fewer 2
Teogonia Teogonia (2025) (TV Series)-Rag Village Soldier / Gahama (voice) (2 episodes, 2025) Rag Village Soldier / Gahama (voice) (2 episodes, 2025) See fewerDiabo (Jun 21, 2025) Season 1, Episode 11-Gahama (voice) Gahama (voice) See fewerKai of Lag Village (Apr 11, 2025) Season 1, Episode 1-Rag Village Soldier (voice) Rag Village Soldier (voice) See fewer 2
Uma Musume: Cinderella Gray Uma Musume: Cinderella Gray (2025) (TV Series)-Maintenance Staff Member / Reporter (voice) (2 episodes, 2025) Maintenance Staff Member / Reporter (voice) (2 episodes, 2025) See fewer The Star of Kasamatsu (Jun 15, 2025) Season 1, Episode 11-Reporter (voice) Reporter (voice) See fewerView from the Top (Apr 20, 2025) Season 1, Episode 3-Maintenance Staff Member (voice) Maintenance Staff Member (voice) See fewer 2
A Ninja and an Assassin Under One Roof A Ninja and an Assassin Under One Roof (2025) (TV Series)-Clerk (voice) (1 episode, 2025) Clerk (voice) (1 episode, 2025) See fewer A Ninja and an Assassin's Experiment (Jun 5, 2025) Season 1, Episode 9-Clerk (voice) Clerk (voice) See fewer 1
The Unaware Atelier Meister The Unaware Atelier Meister (2025) (TV Mini-series)-Fenrir / Dwarf / Red Beans Seller (voice) (3 episodes, 2025) Fenrir / Dwarf / Red Beans Seller (voice) (3 episodes, 2025) See fewer Yulishia's Date (Jun 1, 2025) Season 1, Episode 10-Dwarf (voice) Dwarf (voice) See fewer 3
Catch Me at the Ballpark! Catch Me at the Ballpark! (2025) (TV Series)-Kaiser (voice) (1 episode, 2025) Kaiser (voice) (1 episode, 2025) See fewer A Good Kid/So Many Treasures/Going Off-Script (May 7, 2025) Season 1, Episode 6-Kaiser (voice) Kaiser (voice) See fewer 1
Tôhai ~Ura Rêto Mâjan Tôhai Roku~ Tôhai ~Ura Rêto Mâjan Tôhai Roku~ (2024–2025) (TV Series)-Mahjong Parlor Man / Mahjong Parlor Clerk / Gallery / Young Man at the Mahjong Parlor / Miyazaki / … (voice) (7 episodes, 2024) See more Mahjong Parlor Man / Mahjong Parlor Clerk / Gallery / Young Man at the Mahjong Parlor / Miyazaki / Member / Puppy Pattern (voice) (7 episodes, 2024) See fewerGambling Chips (Apr 5, 2025) Season 1, Episode 25-Puppy Pattern (voice) Puppy Pattern (voice) See fewer 7
Orb: On the Movements of the Earth Orb: On the Movements of the Earth (2025) (TV Series)-Knighthood (voice) (1 episode, 2025) Knighthood (voice) (1 episode, 2025) See fewer Neither of You Will Be Known to History (Feb 22, 2025) Season 1, Episode 22-Knighthood (voice) Knighthood (voice) See fewer 1
Arifureta: From Commonplace to World's Strongest Arifureta: From Commonplace to World's Strongest (2025) (TV Series)-Yue's Father (voice) (1 episode, 2025) Yue's Father (voice) (1 episode, 2025) See fewer The Overpowered Vampire Princess and the Godlike Rabbit's Grand Battle (Feb 3, 2025) Season 3, Episode 14-Yue's Father (voice) Yue's Father (voice) See fewer 1
Dandadan Dandadan (2024) (TV Series)-TV Station Producer / Male Customer / Homeroom Teacher (voice) (3 episodes, 2024) TV Station Producer / Male Customer / Homeroom Teacher (voice) (3 episodes, 2024) See fewerHatsukoi no hito (Dec 12, 2024) Season 1, Episode 11-Homeroom Teacher (voice) Homeroom Teacher (voice) See fewer 3
Let This Grieving Soul Retire! Let This Grieving Soul Retire! (2024) (TV Series)-Greg Zangief / Greg Zangif (voice) (4 episodes, 2024) Greg Zangief / Greg Zangif (voice) (4 episodes, 2024) See fewer The Mysterious Mask Wants to Fight (Oct 20, 2024) Season 1, Episode 4-Greg Zangief (voice) Greg Zangief (voice) See fewer 4
My Deer Friend Nokotan My Deer Friend Nokotan (2024) (TV Mini-series)-Police Officer (voice) (1 episode, 2024) Police Officer (voice) (1 episode, 2024) See fewer The Pursuer and the Pursued. (Sep 10, 2024) Season 1, Episode 11-Police Officer (voice) Police Officer (voice) See fewer 1
NieR:Automata Ver1.1a NieR:Automata Ver1.1a (2023–2024) (TV Series)-Machine Lifeform / Priest / Citizen of the Kingdom / Resistance / Machine Life Form (voice) (7 episodes, 2023) Machine Lifeform / Priest / Citizen of the Kingdom / Resistance / Machine Life Form (voice) (7 episodes, 2023) See fewer (N)o man's village (Sep 6, 2024) Season 2, Episode 9-Resistance (voice) Resistance (voice) See fewer 7
The Elusive Samurai The Elusive Samurai (2024) (TV Series)-Settsu no Chikaaki (voice) (as Koji Seki) (1 episode, 2024) Settsu no Chikaaki (voice) (as Koji Seki) (1 episode, 2024) See fewer5-gatsu 22-nichi (Jul 6, 2024) Season 1, Episode 1-Settsu no Chikaaki (voice) (as Koji Seki) Settsu no Chikaaki (voice) (as Koji Seki) See fewer 1
Jellyfish Can't Swim in the Night Jellyfish Can't Swim in the Night (2024) (TV Mini-series)-Staff (voice) (as Koji Seki) (1 episode, 2024) Staff (voice) (as Koji Seki) (1 episode, 2024) See fewerJelee (Jun 23, 2024) Season 1, Episode 12-Staff (voice) (as Koji Seki) Staff (voice) (as Koji Seki) See fewer 1
Re: Monster Re: Monster (2024) (TV Mini-series)-Fomorian / Goblin (voice) (2 episodes, 2024) Fomorian / Goblin (voice) (2 episodes, 2024) See fewerRe:Fulgent (Jun 3, 2024) Season 1, Episode 10-Fomorian (voice) Fomorian (voice) See fewerRe:Medy (May 6, 2024) Season 1, Episode 6-Goblin (voice) (as Koji Seki) Goblin (voice) (as Koji Seki) See fewer 2
The Many Sides of Voice Actor Radio The Many Sides of Voice Actor Radio (2024) (TV Series)-Male Fan (voice) (as Koji Seki) (1 episode, 2024) Male Fan (voice) (as Koji Seki) (1 episode, 2024) See fewer Yuhi and Yasumi Just Can't Give Up (May 22, 2024) Season 1, Episode 7-Male Fan (voice) (as Koji Seki) Male Fan (voice) (as Koji Seki) See fewer 1
Touken Ranbu Kai: Kyoden Moyuru Honnouji Touken Ranbu Kai: Kyoden Moyuru Honnouji (2024) (TV Mini-series)-Military Commander (voice) (as Koji Seki) (1 episode, 2024) Military Commander (voice) (as Koji Seki) (1 episode, 2024) See fewerThe Honnoji Incident (May 7, 2024) Season 1, Episode 6-Military Commander (voice) (as Koji Seki) Military Commander (voice) (as Koji Seki) See fewer 1
YATAGARASU: The Raven Does Not Choose Its Master YATAGARASU: The Raven Does Not Choose Its Master (2024) (TV Series)-Door Guard (voice) (as Koji Seki) (1 episode, 2024) Door Guard (voice) (as Koji Seki) (1 episode, 2024) See fewerAn Imperial Council (Apr 27, 2024) Season 1, Episode 4-Door Guard (voice) (as Koji Seki) Door Guard (voice) (as Koji Seki) See fewer 1
Pon no Michi Pon no Michi (2024) (TV Series)-Furuta (voice) (as Koji Seki) (1 episode, 2024) Furuta (voice) (as Koji Seki) (1 episode, 2024) See fewer The Daughters of the Mahjong Table (Mar 23, 2024) Season 1, Episode 12-Furuta (voice) (as Koji Seki) Furuta (voice) (as Koji Seki) See fewer 1
BUCCHIGIRI?! BUCCHIGIRI?! (2024) (TV Mini-series)-Tailor Fukuzo / Dr. Matsunaka (voice) (as Koji Seki) (2 episodes, 2024) Tailor Fukuzo / Dr. Matsunaka (voice) (as Koji Seki) (2 episodes, 2024) See fewer Group Date?! The Sea, Maji Croquette, and I! (Feb 24, 2024) Season 1, Episode 7-Dr. Matsunaka (voice) (as Koji Seki) Dr. Matsunaka (voice) (as Koji Seki) See fewer Love at Fist Fight! The One and Only Quail in the World (Jan 27, 2024) Season 1, Episode 3-Tailor Fukuzo (voice) (as Koji Seki) Tailor Fukuzo (voice) (as Koji Seki) See fewer 2
Sasaki and Peeps Sasaki and Peeps (2024) (TV Series)-Bureau Staff / Knight (voice) (as Koji Seki) (3 episodes, 2024) Bureau Staff / Knight (voice) (as Koji Seki) (3 episodes, 2024) See fewer Martial and Political Force (Feb 16, 2024) Season 1, Episode 7-Knight (voice) (as Koji Seki) Knight (voice) (as Koji Seki) See fewer 3
Fluffy Paradise Fluffy Paradise (2024) (TV Series)-Senior Vassal (voice) (as Koji Seki) (1 episode, 2024) Senior Vassal (voice) (as Koji Seki) (1 episode, 2024) See fewerI've Been Summoned (Jan 8, 2024) Season 1, Episode 2-Senior Vassal (voice) (as Koji Seki) Senior Vassal (voice) (as Koji Seki) See fewer 1
Migi & Dali Migi & Dali (2023) (TV Series)-Doctor / Science Teacher (voice) (as Koji Seki) (2 episodes, 2023) Doctor / Science Teacher (voice) (as Koji Seki) (2 episodes, 2023) See fewerMigi and Dali (Dec 25, 2023) Season 1, Episode 13-Science Teacher (voice) (as Koji Seki) Science Teacher (voice) (as Koji Seki) See fewerUpside-Down Woman (Dec 11, 2023) Season 1, Episode 11-Doctor (voice) (as Koji Seki) Doctor (voice) (as Koji Seki) See fewer 2
Tearmoon Empire Tearmoon Empire (2023) (TV Series)-Priest / Soldier / Man / Merchant (voice) (as Koji Seki) (5 episodes, 2023) Priest / Soldier / Man / Merchant (voice) (as Koji Seki) (5 episodes, 2023) See fewer Princess Mia is Kidnapped (Dec 9, 2023) Season 1, Episode 10-Merchant (voice) (as Koji Seki) Merchant (voice) (as Koji Seki) See fewer 5
Under Ninja Under Ninja (2023) (TV Series)-Male Student 3 (voice) (as Koji Seki) (1 episode, 2023) Male Student 3 (voice) (as Koji Seki) (1 episode, 2023) See fewer A Maiden's Chest is a Precious Thing (Dec 8, 2023) Season 1, Episode 10-Male Student 3 (voice) (as Koji Seki) Male Student 3 (voice) (as Koji Seki) See fewer 1
Jujutsu Kaisen Jujutsu Kaisen (2023) (TV Series)-Fumi's Father (voice) (as Koji Seki) (1 episode, 2023) Fumi's Father (voice) (as Koji Seki) (1 episode, 2023) See fewerRight and Wrong - Part 2 (Nov 30, 2023) Season 2, Episode 19-Fumi's Father (voice) (as Koji Seki) Fumi's Father (voice) (as Koji Seki) See fewer 1
Saint Cecilia and Pastor Lawrence Saint Cecilia and Pastor Lawrence (2023) (TV Series)-Townspeople (voice) (as Koji Seki) (1 episode, 2023) Townspeople (voice) (as Koji Seki) (1 episode, 2023) See fewerThe Way They Met (Sep 21, 2023) Season 1, Episode 11-Townspeople (voice) (as Koji Seki) Townspeople (voice) (as Koji Seki) See fewer 1
I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too (2023) (TV Mini-series)-Actor (voice) (as Koji Seki) (7 episodes, 2023) Actor (voice) (as Koji Seki) (7 episodes, 2023) See fewerYuuya and Kaori (Jun 30, 2023) Season 1, Episode 13-Actor (voice) (as Koji Seki) Actor (voice) (as Koji Seki) See fewer 7
The Aristocrat's Otherworldly Adventure: Serving Gods Who Go Too Far The Aristocrat's Otherworldly Adventure: Serving Gods Who Go Too Far (2023) (TV Mini-series)-Bandit C / Knight C / Noble / Royal Knight B / Sebas (voice) (as Koji Seki) (5 episodes, 2023) Bandit C / Knight C / Noble / Royal Knight B / Sebas (voice) (as Koji Seki) (5 episodes, 2023) See fewer The Trials of an A-Rank Adventurer (Jun 4, 2023) Season 1, Episode 10-Bandit C (voice) (as Koji Seki) Bandit C (voice) (as Koji Seki) See fewer 5
Trigun Stampede Trigun Stampede (2023) (TV Series)-Actor (voice) (as Koji Seki) (1 episode, 2023) Actor (voice) (as Koji Seki) (1 episode, 2023) See fewer Once Upon a Time in Hopeland (Feb 11, 2023) Season 1, Episode 6-Actor (voice) (as Koji Seki) Actor (voice) (as Koji Seki) See fewer 1
Ippon Again! Ippon Again! (2023) (TV Mini-series)-Additional Voice (as Koji Seki) (1 episode, 2023) Additional Voice (as Koji Seki) (1 episode, 2023) See fewer Formed! Revived! Restarted! (Jan 16, 2023) Season 1, Episode 2-Additional Voice (as Koji Seki) Additional Voice (as Koji Seki) See fewer 1
Blue Lock Blue Lock (2022) (TV Series)-Reporter B (voice) (1 episode, 2022) Reporter B (voice) (1 episode, 2022) See fewerMonster (Oct 15, 2022) Season 1, Episode 2-Reporter B (voice) Reporter B (voice) See fewer 1
Phantom of the Idol Phantom of the Idol (2022) (TV Mini-series)-Cameraman (voice) (as Koji Seki) (1 episode, 2022) Cameraman (voice) (as Koji Seki) (1 episode, 2022) See fewerStage 8 (Aug 20, 2022) Season 1, Episode 8-Cameraman (voice) (as Koji Seki) Cameraman (voice) (as Koji Seki) See fewer 1
The Rising of the Shield Hero The Rising of the Shield Hero (2022) (TV Series)-Official A (voice) (as Koji Seki) (1 episode, 2022) Official A (voice) (as Koji Seki) (1 episode, 2022) See fewerHumming Fairy (Jun 1, 2022) Season 2, Episode 9-Official A (voice) (as Koji Seki) Official A (voice) (as Koji Seki) See fewer 1
Yashahime: Princess Half-Demon Yashahime: Princess Half-Demon (2020–2022) (TV Series)-Kashin / Murabito / Chônin / Yôkai / Furyô / … (voice) (27 episodes, 2020) See more Kashin / Murabito / Chônin / Yôkai / Furyô / Rôjin / Tabiakindo / Daikan / Rôtô / Mura no otoko / Gokurakuchô / Hyakushô / Buka / Chimimôryô / Ryôshi / Oni / Ganseki majin / Kagomochi / Midori oni / Staff / Vassal (voice) (27 episodes, 2020) See fewerTowa ni tsuzuku mirai (Mar 26, 2022) Season 2, Episode 24-Actor (voice) (as Koji Seki) Actor (voice) (as Koji Seki) See fewer 27
Fena: Pirate Princess Fena: Pirate Princess (2021) (TV Series)-Villager (voice) (as Koji Seki) (1 episode, 2021) Villager (voice) (as Koji Seki) (1 episode, 2021) See fewerA Knight's Vow (Sep 26, 2021) Season 1, Episode 8-Villager (voice) (as Koji Seki) Villager (voice) (as Koji Seki) See fewer 1
Remake Our Life! Remake Our Life! (2021) (TV Series)-Additional Voices (as Koji Seki) (1 episode, 2021) Additional Voices (as Koji Seki) (1 episode, 2021) See fewerBe Prepared (Sep 18, 2021) Season 1, Episode 11-Additional Voices (as Koji Seki) Additional Voices (as Koji Seki) See fewer 1
Boruto: Naruto Next Generations Boruto: Naruto Next Generations (2021) (TV Series)-Tsuzumi (voice) (as Koji Seki) (1 episode, 2021) Tsuzumi (voice) (as Koji Seki) (1 episode, 2021) See fewerKara no tegakari (Aug 8, 2021) Season 1, Episode 210-Tsuzumi (voice) (as Koji Seki) Tsuzumi (voice) (as Koji Seki) See fewer 1
Dragon Goes House Hunting Dragon Goes House Hunting (2021) (TV Series)-Shopkeeper / Chimera / Dwarf A / Onibi / Skeleton B / … (voice) (11 episodes, 2021) See more Shopkeeper / Chimera / Dwarf A / Onibi / Skeleton B / Mob Hero C / Castle Servant A / Ten / Mob B / Monster B / Goblin B (voice) (11 episodes, 2021) See fewerA Well-Defended Home (Jun 20, 2021) Season 1, Episode 12-Castle Servant A (voice) Castle Servant A (voice) See fewer 11
Super Cub Super Cub (2021) (TV Series)-Salesperson (voice) (as Koji Seki) (2 episodes, 2021) Salesperson (voice) (as Koji Seki) (2 episodes, 2021) See fewerIn Ice (Jun 2, 2021) Season 1, Episode 9-Salesperson (voice) (as Koji Seki) Salesperson (voice) (as Koji Seki) See fewerReiko's Summer (May 5, 2021) Season 1, Episode 5-Salesperson (voice) (as Koji Seki) Salesperson (voice) (as Koji Seki) See fewer 2
I've Been Killing Slimes for 300 Years and Maxed Out My Level I've Been Killing Slimes for 300 Years and Maxed Out My Level (2021) (TV Series)-Customer (as Koji Seki) (1 episode, 2021) Customer (as Koji Seki) (1 episode, 2021) See fewer A Fake Witch of the Highlands Appeared (May 29, 2021) Season 1, Episode 8-Customer (as Koji Seki) Customer (as Koji Seki) See fewer 1
Warlords of Sigrdrifa Warlords of Sigrdrifa (2020) (TV Series)-Makoto Oyama / Pilot / Soichiro Takada / Crepe Shop Owner / Maintenance Team Member (voice) (as Koji Seki) (7 episodes, 2020) Makoto Oyama / Pilot / Soichiro Takada / Crepe Shop Owner / Maintenance Team Member (voice) (as Koji Seki) (7 episodes, 2020) See fewerWelcome to Tateyama Base!! (Dec 26, 2020) Season 1, Episode 12-Maintenance Team Member (voice) (as Koji Seki) Maintenance Team Member (voice) (as Koji Seki) See fewer 7
ID:Invaded ID:Invaded (2020) (TV Mini-series)-Employee (voice) (as Koji Seki) (1 episode, 2020) Employee (voice) (as Koji Seki) (1 episode, 2020) See fewerCHANNELED (Mar 15, 2020) Season 1, Episode 12-Employee (voice) (as Koji Seki) Employee (voice) (as Koji Seki) See fewer 1
Haikyu!! Haikyu!! (2020) (TV Series)-Kai Akakura (voice) (as Koji Seki) (4 episodes, 2020) Kai Akakura (voice) (as Koji Seki) (4 episodes, 2020) See fewerHunger (Feb 7, 2020) Season 4, Episode 5-Kai Akakura (voice) (as Koji Seki) Kai Akakura (voice) (as Koji Seki) See fewer 4
Outburst Dreamer Boys Outburst Dreamer Boys (2019) (TV Series)-Homeroom Teacher (voice) (as Koji Seki) (2 episodes, 2019) Homeroom Teacher (voice) (as Koji Seki) (2 episodes, 2019) See fewer I've Got a Complication, There's a Fanfare in My Head (Oct 25, 2019) Season 1, Episode 4-Homeroom Teacher (voice) (as Koji Seki) Homeroom Teacher (voice) (as Koji Seki) See fewerThat's Right, I Have Awakened (Oct 4, 2019) Season 1, Episode 1-Homeroom Teacher (voice) (as Koji Seki) Homeroom Teacher (voice) (as Koji Seki) See fewer 2
Try Knights Try Knights (2019) (TV Series)-Rugby Team Member (voice) (1 episode, 2019) Rugby Team Member (voice) (1 episode, 2019) See fewerThe Moon and the Sun (Jul 31, 2019) Season 1, Episode 1-Rugby Team Member (voice) Rugby Team Member (voice) See fewer 1
Ulysses: Jeanne d'Arc and the Alchemist Knight Ulysses: Jeanne d'Arc and the Alchemist Knight (2018) (TV Series)-Masked Man / Captain / Yoshunaga Otome / Citizen A / Messenger / … (voice) (8 episodes, 2018) See more Masked Man / Captain / Yoshunaga Otome / Citizen A / Messenger / Mercenary A / Domremy Inhabitant / Noble A (voice) (8 episodes, 2018) See fewer Dance Music of White and Black (Dec 9, 2018) Season 1, Episode 9-Yoshunaga Otome (voice) Yoshunaga Otome (voice) See fewer 8
As Miss Beelzebub Likes It As Miss Beelzebub Likes It (2018) (TV Series)-Laborer / Lover Boy / Waiter (voice) (as Koji Seki) (3 episodes, 2018) Laborer / Lover Boy / Waiter (voice) (as Koji Seki) (3 episodes, 2018) See fewer A Bit Bitter, Bibliomania/Go Forth, with Brownies (Nov 8, 2018) Season 1, Episode 5-Waiter (voice) (as Koji Seki) Waiter (voice) (as Koji Seki) See fewer 3
The Idolm@ster SideM Wake Atte Mini! The Idolm@ster SideM Wake Atte Mini! (TV Series)-MC (voice) MC (voice) See fewer
Overlord Overlord (2018) (TV Series)-Arche's Father (voice) (as Koji Seki) (1 episode, 2018) Arche's Father (voice) (as Koji Seki) (1 episode, 2018) See fewerInvitation to Death (Aug 14, 2018) Season 3, Episode 6-Arche's Father (voice) (as Koji Seki) Arche's Father (voice) (as Koji Seki) See fewer 1
Magical Girl Site Magical Girl Site (2018) (TV Series)-Forensics Man / Funeral Company Staff / Lead Doctor / PE Teacher / Rainbow Sea Father / Rescuer B (voice) (as Koji Seki) (6 episodes, 2018) Forensics Man / Funeral Company Staff / Lead Doctor / PE Teacher / Rainbow Sea Father / Rescuer B (voice) (as Koji Seki) (6 episodes, 2018) See fewerBreaking (Jun 9, 2018) Season 1, Episode 10-Funeral Company Staff (voice) (as Koji Seki) Funeral Company Staff (voice) (as Koji Seki) See fewer 6
B: The Beginning B: The Beginning (2018) (TV Series)-Others (voice) (as Koji Seki) (1 episode, 2018) Others (voice) (as Koji Seki) (1 episode, 2018) See fewerEpisode #1.8 (Mar 2, 2018) Season 1, Episode 8-Others (voice) (as Koji Seki) Others (voice) (as Koji Seki) See fewer 1
Death March to the Parallel World Rhapsody Death March to the Parallel World Rhapsody (2018) (TV Mini-series)-Boido (voice) (as Koji Seki) (1 episode, 2018) Boido (voice) (as Koji Seki) (1 episode, 2018) See fewer Love That Started with a Death March (Jan 25, 2018) Season 1, Episode 3-Boido (voice) (as Koji Seki) Boido (voice) (as Koji Seki) See fewer 1
18If 18If (2017) (TV Series)-Producer (voice) (as Koji Seki) (1 episode, 2017) Producer (voice) (as Koji Seki) (1 episode, 2017) See fewer Idols Don't Go to the Bathroom! (Sep 1, 2017) Season 1, Episode 9-Producer (voice) (as Koji Seki) Producer (voice) (as Koji Seki) See fewer 1
Akiba's Trip the Animation Akiba's Trip the Animation (2017) (TV Series)-Conglomerate Company Employee (voice) (1 episode, 2017) Conglomerate Company Employee (voice) (1 episode, 2017) See fewer Electric Mayo's Falling Apart! (Mar 22, 2017) Season 1, Episode 12-Conglomerate Company Employee (voice) Conglomerate Company Employee (voice) See fewer 1
Tales of Zestiria the X Tales of Zestiria the X (2017) (TV Series)-Soldier / Soldiers (voice) (as Koji Seki) (2 episodes, 2017) Soldier / Soldiers (voice) (as Koji Seki) (2 episodes, 2017) See fewer Justice at Hand Rather Than Ideal Beyond One's Reach (Feb 5, 2017) Season 2, Episode 5-Soldiers (voice) (as Koji Seki) Soldiers (voice) (as Koji Seki) See fewerWind Seraph, Dezel (Jan 15, 2017) Season 2, Episode 2-Soldier (voice) (as Koji Seki) Soldier (voice) (as Koji Seki) See fewer 2
Shomin Sample Shomin Sample (2015) (TV Mini-series)-Muscle Corps (as Koji Seki) (2 episodes, 2015) Muscle Corps (as Koji Seki) (2 episodes, 2015) See fewer Inexperienced Though I Am, Please Accept Me Forever (Dec 23, 2015) Season 1, Episode 12-Muscle Corps (as Koji Seki) Muscle Corps (as Koji Seki) See fewerWelcome, Commoner (Oct 7, 2015) Season 1, Episode 1-Muscle Corps (as Koji Seki) Muscle Corps (as Koji Seki) See fewer 2
Chaos Dragon Chaos Dragon (2015) (TV Series)-Man B (voice) (as Kouji Seki) (1 episode, 2015) Man B (voice) (as Kouji Seki) (1 episode, 2015) See fewerKill One to Save Many (Jul 2, 2015) Season 1, Episode 1-Man B (voice) (as Kouji Seki) Man B (voice) (as Kouji Seki) See fewer 1
Urawa no Usagi-chan Urawa no Usagi-chan (2015) (TV Mini-series)-Father Takasago / Michijiro Nakayama / Conductor (3 episodes, 2015) Father Takasago / Michijiro Nakayama / Conductor (3 episodes, 2015) See fewerIf I Retort, I Lose! (Jun 19, 2015) Season 1, Episode 11-Conductor (voice: English version) Conductor (voice: English version) See fewer 3
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