ROYD-313 Himari Kinoshita: I'm unknowingly being seduced by my female friend who has a boyfriend and comes to stay over every day, and I'm left in a state of torment because I can't muster the courage to make a move.

I finally started living alone, something I'd always wanted, but the university is so close that my place has become a hangout for my friends. Today, my friend and his girlfriend, Himari, are staying over again, stealing my precious alone time for masturbation...! However, one day, Himari, having broken up with her boyfriend, shows up alone in my room... Having nowhere else to go, I can't help but tell her to stay the night! Even though I longed for so much alone time, Himari...