Seiichi Osabe (長部 静一, Osabe Seiichi) Seiichi is a shy middle school student with few friends and susceptible to manipulation and abuse. Seiichi is ridiculed due to the overprotective care that his mother, Seiko, has over him. However, after Seiko pushes Seiichi's cousin, Shigeru, off a cliff, his life is turned upside down, and Seiko begins to manipulate him more and more heavily. As a result of the psychological trauma his mother inflicts upon him, he develops linguistic problems. 