University student Naruse appears as a customer before Kei, a travel host from an Erogenous Aesthetic shop specializing in services to women. Kei offers Naruse the limited edition "Return to Origins Course", after being asked to treat Naruse as he would a girl.

He can't provide an honest service to Naruse after being tricked, after all. But Naruse, who chose the service, experiences a profoundly sad memory amidst this encounter...