This site is new and actively being built — the work of a solo indie developer. Some data is still being populated and improved. Learn more →
Ryōta Yamaguchi is a Japanese anime screenwriter often associated with Studio Deen, Toei Animation, and Sunrise.
Teenieping: Legend of the Whale Heartstone
2026
Heartsping : Teenieping of Love
2024
Kappei Yamaguchi
5 shared
Kōichi Yamadera
4 shared
Noriko Hidaka
Minami Takayama
Megumi Hayashibara
Rumiko Takahashi
writer
