Koichiro Tsuzuki

Koichiro developed multiple personality disorder as a result of his traumatic childhood. He has at least 3 other known personalities (including the human-faced tumor). Their names and VAs are the following; Koichiro: Hideyuki Hori (young: Shiratori Yuri) Jun: Sasaki Nozomu Ryuuko: Sadaoka Sayuri Tumor: Uchida Naoya