Hinagiku Virgin Lost Club e Youkoso

Hinagiku Kuroko appears unremarkable at a glance, yet possesses considerable physical allure. She harbors affection for Otonashi Suguru, a fellow library worker. Suguru, however, is infatuated with the school idol, Moegi. A series of events leads Kuroko to confess to Suguru while he is blindfolded. Her voice bears a strong resemblance to Moegi's. Following this, she begins a pattern of daily sexual encounters with Suguru under the pretense of being Moegi.