"My sister is scary, so don't make noise at home." As Kenji listened to this story on his way to his friend Koji's house, he couldn't imagine what kind of person Koji's sister was. Then, when Kenji arrived at Koji's house, he met Koji's sister Chiori for the first time. Mature charm... a smile that seemed to embrace everything... and the lewd body revealed by her loungewear. Kenji couldn't hide his excitement. However, when invited by such a Chiori, "Come play anytime," Kenji...
