STARS-105 Lustful for a girl in summer clothes who approached me on the train. Mahiro Yui, a drenched tracking molester.

One day, Tamahiro is fed up with his boring daily life and gets molested on the train. - A man who had an obscene fantasy about Mahiro happened to witness this and his desire for her came undone. - Then, one hot day, the two of them rode together on the same train again. - The man loses his mind due to the smell of stuffy armpit sweat and begins to molest Mahiro, but things don't end there...!