My brother-in-law, Yuta, is looking for a job and will be staying with me for a while. At first Rio accepts with a smile, but... Yuta, who secretly had feelings for her, repeatedly rummaged through her underwear and peeked into her marital life. The beast, controlled by her desire, attacks her mercilessly as she pretends not to notice even though she feels his lewd gaze. Her husband will never give up on her without mercy