Aki Mikage

Specialty: Turns into Shiso (Mikagi)

Aya's twin brother, a gentle and caring person who is subject to becoming a medium for the spirit of Mikagi, the founder of the Mikage family who aggressively pursues Aya and Ceres and almost raped Aya. In the end he sacrifices his life to destroy the violent Mikagi's reincarnation.

(Source: Wikipedia)