Mamiru Keikain

Birthday: September 14
Height: 192 cm
Weight: 82 kg
Affiliations: Keikain House

He is completely devoted to destroying youkai to the point where he will fight even if outnumbered. He is said to be the most talented in the house so far and managed to defeat Aotabou (in his sealed form). His personality was different when he was younger, indicating he may have been brainwashed.