"What? You've never been caressed here before?"Mitsuha Hinata who has become a university student aims to go out with Issei Yuuki, her first love and childhood friend. They were always together during their childhood, and Issei only smiled at Mitsuha. One day, a girl from the same grade asked Issei out and he agreed. Issei has always rejected any girl trying to approach him, so why...!? On a summer night, Mitsuha was annoyed at Issei who didn't know about her feelings."E-Even I have experience, okay!?" She lied, and was suddenly pushed down..."Before I'm your childhood friend, I'm a man." He says, as he makes Mitsuha cum so much that her panties are drenched.What's happening...? Don't tell me... We're going to...!?