Rin returned to her in-laws' house in the middle of summer. However, my father-in-law had to go to the hospital, and my husband also got a job and didn't handle things. At that time, I met the neighbor Sakamoto and went for a walk to his house. Rin, who seemed to enjoy the naive reaction, stripped off her sweat-soaked chest... Sakamoto, in a chastely manner, pushed her down, unable to resist. Rin, who was seriously cared for by his careless caresses, became serious about a joke. And while heading home, the two kept sweating and exchanging intensely...