Ken'ichi Kasai

is a Japanese storyboard artist and director. He is amongst J.C.Staff's most noted directors, having directed the highly rated Honey and Clover series. Beginning his career as a production manager, using his name in kanji, , he moved on to direction with J.C.Staff. With 2002's Wagamama: Fairy Mirumo De Pon!, he began using his name in katakana.

Filmography Director Kuru Kuru Amī (2001) Wagamama Fairy: Mirumo De Pon! (2002–2005) Wagamama Fairy: Mirumo De Pon! Gōruden (2003) Sweet Blue Flowers Bakuman (2010–2013) Love Stage!! (2014) Wolf Girl and Black Prince (2014) Amanchu! (2016) The Thousand Musketeers (2018) To Me, the One Who Loved You (2022)

Other Cooking Papa (1992–1995) – production manager Bishōjo Senshi Sailor Moon Sailor Stars (1992–1997) – assistant director Mama Loves the Poyopoyo-Saurus (1995–1996) – assistant director and episode director Bakusō Kyōdai Let's & Go!! (1996–1998) – storyboards and episode director Cutie Honey F (1997–1998) – assistant director Anime Ganbare Goemon (1997–1998) – storyboards and episode director Ginga Hyōryū Vifam 13 (1998) – episode director Neo Ranga (1998–1999) – storyboards and episode director Kareshi Kanojo no Jijō (1998–1999) – storyboards and episode director Soreyuke! Uchū Senkan Yamamoto Yōko (1999) – episode director Ah! My Goddess: Being Small is Convenient (1999) – episode director Gokudō-kun Man'yūki (1999) – storyboards and episode director Majutsushi Orphen Revenge (1999–2000) – storyboards and episode director Jibaku-kun (1999–2000) – opening and ending theme director Daa! Daa! Daa! (2000–2002) – storyboards and episode director Toradora! (2008–2009) – storyboards and episode director