Fukada Eimi makes a long-awaited appearance at Fitch! As a gravure idol, Eimi has returned to her hometown to refresh herself. However, she learns from her parents that her brother, Satoshi, has been holed up in his room since being teased at school and has lost his spirit. During a private conversation between the two, it comes to light that Satoshi is a virgin. Eager to boost his confidence, Eimi attempts to teach him the ways of intimacy, but Satoshi gets too excited, loses himself, and after clumsy caresses, impulsively performs a live insertion...