Kodai Arima, YU-NO Wiki

Kodai Arima (有馬 広大, Arima Kodai) is the husband of Keiko Arima and the father of Takuya Arima who is dead prior to the series. The name Kodai means "wide, broad, spacious" (広) (ko) and "big, great" (大) (dai). Kodai's surname Arima means "exist" (有) (ari) and "horse" (馬) (ma).

Takuya Arima, Fictional Characters Wiki

Yu-no, YU-NO Wiki

YU-NO: A Girl Who Chants Love at the Bound of this World, YU-NO Wiki

Amanda (YU-NO) The Infinite Zenith

Kodai Arima, YU-NO Wiki

Anime Collaborations, The Infinite Zenith

YU-NO: A Girl Who Chants Love at the Bound of this World, YU-NO Wiki

YU-NO: A Girl Who Chants Love at the Bound of This World (Season One) - The Otaku Author

Takuya Arima, Wiki

Takuya Arima, Wiki