Overview

When Koji was left alone after his wife returned home to give birth, his wife's older sister, Mizuki, offered to take care of him. Koji, who has been struggling to balance work and housework, gladly accepts the offer, but ends up taking a bath with Mizuki, who even tries to take care of her. A cock that can't help but react to Mizuki's beautiful naked body. Mizuki noticed this and forcibly approached me, saying, "Did you get an erection from me? I'm so happy..."