After a fierce fight with his wife, Yuusuke was left dumbfounded when she stormed out. Seeing Yuusuke's despair, his wife's sister, Serino, stepped in to mediate. With Serino, a beautiful and caring woman, offering her help, Yuusuke felt a surge of relief. However, unbeknownst to Yuusuke, Serino had her own intentions. As Yuusuke's spirits lifted, Serino saw her opportunity. She suggested a bath, and at the same time, she began to shed her clothes...
VENUS
