When his job search didn't go well and he ended up staying at his parents' house, he felt out of place, but his sister-in-law Miho was the only one who treated him kindly. On a tropical midsummer night, the brother-in-law peeked at his younger brother and his wife's lovemaking and couldn't help but rape Miho. Unable to bear his own mistake, he decided to leave home, but what was Miho's reaction? On a sleepless night, the man and woman, covered in sweat, make love and indulge in a passionate encounter!!!