NASK-439 My Wife’s Mother: An Irresistible Mother-in-Law and a Forbidden Domestic Affair, 4 People, 4 Hours

After losing herself to temptation, Kozue finds herself drawn to her son-in-law. She ends up watching her daughter and son-in-law together, and afterward her body grows restless, leading her to seek private relief. This time, however, she is seen by her son-in-law, and the situation takes an unexpected turn. Gathering her courage, Kozue pleads with him to hold her.

Since losing her husband, Misa’s loneliness only deepens. She tries to ease that emptiness on her own, but her son-in-law catches sight of her. Though tormented by guilt, Misa becomes involved with him.

Widowed and left alone, Mizuki is discovered by her son-in-law while seeking private comfort. He is overcome and embraces her, and the two gradually come together as if comforting each other.

Six months ago, Ayako’s daughter got married, and now Ayako lives with the newlyweds. Night after night, the couple’s closeness leaves Ayako feeling increasingly stirred. One day, she becomes overwhelmed by her feelings and is discovered by her son-in-law, leading to an intimate encounter.