Gyaru Otoko-Kun! Hentai Onii-San To Ecchi Ni Asobou summary: "I can't believe leopard-print underwear actually exists...!" "Mnh...! Don't lick me there...!" Convenience store worker Nao is a wholesome gal-guy with dreams of making it big. One day, regular customer Itaru shows up exhausted and at the end of his ropes, confesses his feelings to Nao when Nao calls out to him...! The next day, troubled by the barrage of presents Itaru gives him, Nao realizes they could have a win-win relationship if they both listen to each other's requests. However, Itaru's requests slowly but steadily get more sexual, going from saying his name -> hand-holding -> kissing (!?) -> the real thing (!??)!