A plain boy who she rejected in her school days turns up as a handsome janitor... Mizukawa has always dreamed of becoming a teacher, and with a boyfriend who is a colleague, she is living a smooth-sailing life. But one day, when she opens her eyes in the gym storeroom, she finds the janitor Hiyama there!? She is raped, threatened, and toyed with every day. Even though she should hate it, her body craves him...