Arisu, a senior of the natural gymnastics club, and Mizuki, a junior of a cute beautiful girl, are a lily couple who are a secret to everyone. But it's still my first time at Atch ... On the way home from summer vacation club activities, I was invited to Arisu's room ... - Close-contact lesbian sex with thoughts on licking and rubbing each other in a leotard from the first lesbian of the chest! A clumsy and realistic high teen yuri story...