He had no idea that his usually gentle teacher had such thick hair. It was the last school trip before graduation. Yamada, a problem child who had stopped going to school, participated only to make memories with his homeroom teacher, Usui-sensei. Her magnificent breasts were visible even through her clothes. Her motherly smile was always kind to him. He wanted to have her body, if only. Finally alone with Usui-sensei, Yamada was overcome with passion and immediately embraced him...