The gathering of celebrity daughters has escalated into a public training party, this time held at the Shinjō residence. The target is Shinjō's distant relative, Ai. She is quiet and timid, used as an errand runner by Shinjō. The various perverted acts performed in the mansion with a pool push Ai's sense of shame to the brink of collapse, and she even has to endure anal sex for the first time…
