Koichi, who felt vacant every day when he repeatedly went back and forth between the office and his house, received a reverse complaint from a woman while commuting to work one day. - Excited by the stimulating pleasure he has never experienced before, he can't stand it and turns back. - However, the other party was Akari, a female employee of a business partner. - Koichi, who was seized with his weaknesses, was forced to accept the act of rebellion on the train as he was told. - Koichi gradually becomes absorbed in the perverted extraordinary life with her who blames her with her smile. More..