No.1 Sentai Gozyuger (2025) (TV Series)-Screenplay (2 episodes, 2025) Screenplay (2 episodes, 2025) See fewer Dancing with Love! This is my AI (Aug 31, 2025) Season 1, Episode 28-Screenplay Screenplay See fewer Win the Battle! Get Rich Quick! (Aug 24, 2025) Season 1, Episode 27-Screenplay Screenplay See fewer |
2 |
Kamen Rider Gotchard (2023–2024) (TV Series)-Writer (22 episodes, 2023) Writer (22 episodes, 2023) See fewer Metal Warrior! The Silver Valvarad (Aug 18, 2024) Season 1, Episode 49-Writer Writer See fewer |
22 |
We Are Class 3G (2024) (TV Mini-series)-Writer (2 episodes, 2024) Writer (2 episodes, 2024) See fewer Episode #1.2 (Aug 7, 2024) Season 1, Episode 2-Writer Writer See fewer Episode #1.1 (Apr 10, 2024) Season 1, Episode 1-Writer Writer See fewer |
2 |
Kamen Rider Revice (2022) (TV Series)-Soccer Club Member (2 episodes, 2022) Soccer Club Member (2 episodes, 2022) See fewer Illusionary Guidance, Dream Afterwards (Apr 17, 2022) Season 1, Episode 31-Soccer Club Member Soccer Club Member See fewer Seiyu! Say Me! The Aftermath of Youth (Apr 10, 2022) Season 1, Episode 30-Soccer Club Member Soccer Club Member See fewer |
2 |
Kamen Rider Saber (2020–2021) (TV Series)-Written By (19 episodes, 2020), Humagear (1 episode, 2021) Written By (19 episodes, 2020), Humagear (1 episode, 2021) See fewer The End of the World, the Story that is Born. (Aug 22, 2021) Season 1, Episode 47-Written By, Humagear Written By, Humagear See fewer |
19 |
SSSS.Dynazenon (2021) (TV Series)-Screenplay (12 episodes, 2021) Screenplay (12 episodes, 2021) See fewer What is this Entrusted Thing? (Jun 18, 2021) Season 1, Episode 12-Screenplay Screenplay See fewer |
12 |
SSSS.Gridman (2018) (TV Series)-Screenplay (12 episodes, 2018) Screenplay (12 episodes, 2018) See fewerAwakening (Apr 4, 2021) Season 1, Episode 12-Screenplay Screenplay See fewer |
12 |
REIMA: The Curse of Evil Spirits (TV Series)-Screenplay Screenplay See fewer |
|
Kamen Rider Ghost: Truth! The Secret of the Heroes' Eyecons! (2016) (TV Short)-Writer Writer See fewer |
|
Kamen Rider Ghost (2016) (TV Series)-Written By (15 episodes, 2016) Written By (15 episodes, 2016) See fewer Kettô! Kengô kara no Kotoba! (Aug 27, 2016) Season 1, Episode 46-Written By Written By See fewer |
15 |
Adrenaline no yoru (2015–2016) (TV Mini-series)-Teleplay (5 episodes, 2015) Teleplay (5 episodes, 2015) See fewer Mishiranu Kazoku (Unfamiliar Family) (Feb 17, 2016) Season 1, Episode 38-Teleplay Teleplay See fewer |
5 |
Kamen Rider Drive (2014–2015) (TV Series)-Written By (as Kei'ichi Hasegawa) (14 episodes, 2014) Written By (as Kei'ichi Hasegawa) (14 episodes, 2014) See fewer Megami no Shinjitsu wa dokuniaru no ka (Aug 16, 2015) Season 1, Episode 42-Written By (as Kei'ichi Hasegawa) Written By (as Kei'ichi Hasegawa) See fewer |
14 |
Rage of Bahamut: Genesis (2014) (TV Series)-Screenplay (13 episodes, 2014) Screenplay (13 episodes, 2014) See fewer Rage of Bahamut (Dec 29, 2014) Season 1, Episode 12-Screenplay Screenplay See fewer |
13 |
Kamen Rider Drive: Secret Mission (2014) (TV Mini-series)-Written By (3 episodes, 2014) Written By (3 episodes, 2014) See fewer Taipu Zero Dai-zero-wa Kauntodaun tû Gurôbaru Furîzu (Dec 13, 2014) Season 1, Episode 1-Written By Written By See fewer |
3 |
Ultraman Ginga (2013) (TV Series)-Written By (as Kei'ichi Hasegawa) (5 episodes, 2013) Written By (as Kei'ichi Hasegawa) (5 episodes, 2013) See fewerKimi no Mirai (Dec 18, 2013) Season 1, Episode 11-Written By (as Kei'ichi Hasegawa) Written By (as Kei'ichi Hasegawa) See fewer |
5 |
Majisuka gakuen (2012) (TV Series)-Teleplay (as Kei'ichi Hasegawa) (3 episodes, 2012) Teleplay (as Kei'ichi Hasegawa) (3 episodes, 2012) See fewerEpisode #3.12 (Oct 6, 2012) Season 3, Episode 12-Teleplay (as Kei'ichi Hasegawa) Teleplay (as Kei'ichi Hasegawa) See fewer |
3 |
Kamen Rider Fourze (2012) (TV Series)-Written By (as Kei'ichi Hasegawa) (8 episodes, 2012) Written By (as Kei'ichi Hasegawa) (8 episodes, 2012) See fewerRi Nen Jô Nen (Jun 24, 2012) Season 1, Episode 40-Written By (as Kei'ichi Hasegawa) Written By (as Kei'ichi Hasegawa) See fewer |
8 |
Kamen Rider W (2009–2010) (TV Series)-Writer (20 episodes, 2009) Writer (20 episodes, 2009) See fewer O's Link/Shroud's Confession (Jul 25, 2010) Season 1, Episode 44-Writer Writer See fewer |
20 |
Ultra Galaxy Mega Monster Battle: Never Ending Odyssey (TV Series)-Writer (as Kei'ichi Hasegawa) Writer (as Kei'ichi Hasegawa) See fewer |
|
Graveyard Kitaro (2008) (TV Series)-Writer (as Kei'ichi Hasegawa) (2 episodes, 2008) Writer (as Kei'ichi Hasegawa) (2 episodes, 2008) See fewerKiri no naka Jonî (Mar 6, 2008) Season 1, Episode 9-Writer (as Kei'ichi Hasegawa) Writer (as Kei'ichi Hasegawa) See fewerKyûketsuki (Jan 24, 2008) Season 1, Episode 3-Writer (as Kei'ichi Hasegawa) Writer (as Kei'ichi Hasegawa) See fewer |
2 |
Cutie Honey: The Live (2007) (TV Mini-series)-Writer (1 episode, 2007) Writer (1 episode, 2007) See fewer Harmony of Desire! (Dec 18, 2007) Season 1, Episode 12-Writer Writer See fewer |
1 |
Ultra Galaxy Mega Monster Battle (TV Series)-Writer Writer See fewer |
|
Spooky Kitaro (2007) (TV Series)-Written By (5 episodes, 2007) Written By (5 episodes, 2007) See fewer The Ghost Train Goes to the Other World (May 27, 2007) Season 1, Episode 9-Written By Written By See fewer |
5 |
Gaiking: Legend of Daikû Maryû (2006) (TV Series)-Teleplay (as Kei'ichi Hasegawa) (7 episodes, 2006) Teleplay (as Kei'ichi Hasegawa) (7 episodes, 2006) See fewerMusuko yo (Sep 10, 2006) Season 1, Episode 37-Teleplay (as Kei'ichi Hasegawa) Teleplay (as Kei'ichi Hasegawa) See fewer |
7 |
Ultraman Nexus (2004–2005) (TV Series)-Head Writer (as Kei'ichi Hasegawa) (15 episodes, 2004), Writer (as Kei'ichi Hasegawa) (15 episodes, 2004) Head Writer (as Kei'ichi Hasegawa) (15 episodes, 2004), Writer (as Kei'ichi Hasegawa) (15 episodes, 2004) See fewerNexus (Jun 25, 2005) Season 1, Episode 37-Head Writer (as Kei'ichi Hasegawa), Writer (as Kei'ichi Hasegawa) Head Writer (as Kei'ichi Hasegawa), Writer (as Kei'ichi Hasegawa) See fewer |
15 |
Astro Boy (2003–2004) (TV Series)-Screenplay (18 episodes, 2003) Screenplay (18 episodes, 2003) See fewer Atorasu gyakushu (2004) Season 1, Episode 37-Screenplay Screenplay See fewer |
18 |
Phoenix (2004) (TV Series)-Script (2 episodes, 2004) Script (2 episodes, 2004) See fewer Fukkatsu-hen sono ni (May 9, 2004) Season 1, Episode 6-Script Script See fewer Fukkatsu-hen sonoichi (May 2, 2004) Season 1, Episode 5-Script Script See fewer |
2 |
Strange Steel Fairy Rouran (2003) (TV Series)-Writer (as Kei'ichi Hasegawa) (4 episodes, 2003) Writer (as Kei'ichi Hasegawa) (4 episodes, 2003) See fewerTatakai no seijo (Feb 28, 2003) Season 1, Episode 16-Writer (as Kei'ichi Hasegawa) Writer (as Kei'ichi Hasegawa) See fewer |
4 |
Zoids (1999–2002) (TV Series)-Screenplay (14 episodes, 1999) Screenplay (14 episodes, 1999) See fewer The Final Battle (May 16, 2002) Season 2, Episode 29-Screenplay Screenplay See fewer |
14 |
MegaMan: NT Warrior (TV Series)-Writer (as Kei'ichi Hasegawa) Writer (as Kei'ichi Hasegawa) See fewer |
|
Ultraman Cosmos (2001) (TV Series)-Screenplay (as Kei'ichi Hasegawa) (2 episodes, 2001) Screenplay (as Kei'ichi Hasegawa) (2 episodes, 2001) See fewerThe Flying Whale (Oct 20, 2001) Season 1, Episode 16-Screenplay (as Kei'ichi Hasegawa) Screenplay (as Kei'ichi Hasegawa) See fewerFly! Musashi (Jul 21, 2001) Season 1, Episode 3-Screenplay (as Kei'ichi Hasegawa) Screenplay (as Kei'ichi Hasegawa) See fewer |
2 |
The Big O (1999–2000) (TV Series)-Writer (as Kei'ichi Hasegawa) (4 episodes, 1999) Writer (as Kei'ichi Hasegawa) (4 episodes, 1999) See fewerWinter Night Phantom (Dec 15, 2000) Season 1, Episode 10-Writer (as Kei'ichi Hasegawa) Writer (as Kei'ichi Hasegawa) See fewer |
4 |
Ultraman Gaia (1998–1999) (TV Series)-Writer (8 episodes, 1998) Writer (8 episodes, 1998) See fewer The Cry of the Earth (Aug 21, 1999) Season 1, Episode 50-Writer Writer See fewer |
8 |
Devilman Lady (1998–1999) (TV Series)-Writer (as Kei'ichi Hasegawa) (5 episodes, 1998) Writer (as Kei'ichi Hasegawa) (5 episodes, 1998) See fewerLife (Apr 18, 1999) Season 1, Episode 23-Writer (as Kei'ichi Hasegawa) Writer (as Kei'ichi Hasegawa) See fewer |
5 |
Ultraman Dyna (1997–1998) (TV Series)-Screenplay (13 episodes, 1997), Writer (1 episode, 1997) Screenplay (13 episodes, 1997), Writer (1 episode, 1997) See fewer Final Chapter III: Toward Tomorrow... (Aug 29, 1998) Season 1, Episode 51-Screenplay Screenplay See fewer |
14 |
Ultraman: Tiga (1997) (TV Series)-Screenplay (9 episodes, 1997) Screenplay (9 episodes, 1997) See fewer Kagayakeru mono tachi e (Aug 30, 1997) Season 1, Episode 52-Screenplay Screenplay See fewer |
9 |