The man she rejected back in school days now returns as a handsome janitor. Mizukawa, who has always admired her teacher since childhood and is in a relationship with a male colleague, had been living a smooth life. However, one day, she suddenly wakes up inside the gym storage room to find janitor Hiyama waiting for her. Forced, threatened, and tormented against her will, she finds herself helplessly drawn to him despite hating what's happening. His presence begins to shake her heart and leads her down an unexpected new path.