While his wife was at home giving birth, his sister-in-law Yuna came to check on him. Kenji, who was struggling with the unfamiliar housework, welcomed Yuna in. However, Yuna's real target was Kenji's body. Every time she cleaned, she would seducingly give him a glimpse. He couldn't help but react when she boldly showed him her dazzling cleavage, tanned skin, and supple, beautiful legs. He frantically tried to cover it up, but she sweetly whispered, "That girl isn't here right now, so it's fine. No one will ever find out, right?"...