武田俊介

説明

Shunsuke was in love with Yakumo's mother and proposed to her before he became a suspect in the Nanase Family Massacre. Young Yakumo saw a father figure in him. Shunsuke also appeared to protect Haruku and had lured to the police and managed to scare Miyuki away. He is a spirit of the dead as he was killed by Yakumo's biological father.