I'll Show You What I Want You to Do

Ren's problem is his sister, Rinko, and her laid-back relationships. His morning starts when he wakes up next to her latest boyfriend Kazuya, who mistook Ren's room for Rinko's. Ren's source of relief is Shirao, an older student he looks up to. Ren doesn't want to date him, thinking that being smiled at is enough, but... Through a turn of events,...