“Hey, Kou-chin. Sorry to bug you but, will you help me study?” It was a Saturday. There was still a month of summer vacation to go. Due to complicated family circumstances, Kouta - “Kou-chin” - who lives alone meet Chieri - “Chi-chan” - a classmate of Kouta’s at the conbini near his house. Chi-chan oozed sex. Her big tits and lazily protruding ass were a distraction from whatever he was supposed to be helping her with.