VENU-755 1 night and 2 days Nao Wakana was left overtaken by her wife's older sister who suddenly came to her

His wife Asako became pregnant and returned home, leaving her husband Tooru behind. - Tooru, who was left behind, was unable to do housework, and the house became increasingly messy. - At that time, Toru's older sister, Nao, came to help with the housework because she was worried about Toru. - Actually, Nao came to Toru to relieve her frustration. - Unaware of this, Tooru invites Nao to his house.