Bikou/Relationships

Vali Lucifer
Bikou considers Vali as his partner while Vali respects Bikou as his friend and subordinate.

Rias Gremory
Rias is on bad terms with Bikou mainly due to Bikou inventing her "Switch Princess" nickname and constantly makes fun of her.

Sun Wukong
Bikou shows little to no respect for Sun Wukong despite the fact that he is Bikou's ancestor. Bikou, however, is afraid of Sun Wukong's strength and wishes to avoid him if possible.