|Relations||Saiko Metori (Son)|
Saiko's father's face is always hidden by a blinding light from wearing golden accessories and sports a halo above his head. Even his son doesn't know how he looks like. However, he shares similar greed on money as he himself taught Metori of which Kusuo criticizes as "the lowest of parents". He also convinced his son who is always absent to transfer to PK Academy to retaliate Kokominzu.