Insurance saleswoman Rina visits a certain company for business and meets receptionist Shinobu. Shinobu is a genuine lesbian who targets women she likes and drags them into her world. Rina becomes one of her targets. Once Rina has tasted the flavor of lesbianism, she can't forget Shinobu and calls her, but there's no answer. Restless, Rina receives an email from Shinobu: 'A replacement woman...' The one who appears is Saori, and Rina eagerly pursues her. Then Shinobu joins in as well…
