I dropped out of university and returned home from Tokyo for a while, planning to return a week later and work at a friend's part-time job, but... My mother asked me to share some watermelon with Yuka Mizuno, a new family that had moved in next door to my parents' house, and I found her defenselessly exposed in the kiddie pool!? Yuka approached me with a seductive aura, and while I was confused by the close proximity that is typical of the countryside, I was carried away by the summer heat and accepted her kiss...