Yoichi Shihōin (四楓 夜市, Shihōin Yoichi) is the 25th Head of the Shihōin Clan following the Collapse. He is the child of Anika Shihōin and another Shihōin clan member, therefore being the half-brother of Kusaka and Sojiro Kori. His mental instability lead him to be placed in solitary confinement and training for most of his life. Following the Collapse, given that he was the only viable option, he was made the head of the clan. He currently seeks out Kagura and wishes his demise due to the part he played in Anika's death.