痴漢サークル3～恥辱のダイヤグラム・完結篇～

Junichi is a university student. He joined the "Chikan (molestation) Circle" a while ago and now enjoys Chikan life with Yui and other members. His next target girl is Mizuka, who is a train security guard. Her daughter, Ayaka, is now a member of the circle, so Junichi tries to recruit Mizuka using Ayaka. At the same time, Junichi meets Risa, another train security guard. He decides to recruit Risa as well....