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).

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

Ayumi Arima, YU-NO Wiki

YU-NO / Characters - TV Tropes

Ayumi Arima, YU-NO Wiki

Takuya Arima

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

YU-NO: A Girl Who Chants Love at the Bound of this World- Whole-series Review and Reflection

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

YU-NO: A Girl Who Chants Love at the Bound of this World- Whole-series Review and Reflection