Eimi Fuchida makes a long-awaited appearance! Eimi, who is active as a gravure idol, has returned to her parents' home to refresh herself. However, she learns from her parents that her younger brother Satoshi lacks energy and has been shut in since being bullied at school. While talking alone with him, it turns out that Satoshi is a virgin. Trying to boost his confidence, Eimi attempts to teach him the flow of sex, but Satoshi gets too excited, loses control, and clumsily gropes her before forcefully penetrating…
