A university student named Naruse visits Kei, a travel host from an Erogenous Aesthetic shop that specializes in services for women. Kei offers Naruse the "Return to Origins Course," which is only available as a limited edition service. However, after being asked to treat Naruse like a girl, Kei cannot provide him with an honest service since he has been deceived. Despite this, Naruse experiences a sad memory during their encounter.