Since losing her husband, Shiori had been living with her daughter, supporting each other. About half a year ago, her daughter got married, and now the three of them live together. Shiori had a problem: her daughter and son-in-law would openly get intimate in front of her. Shiori would masturbate, smelling her son-in-law's underwear to distract from her heated body. That day too, her daughter and son-in-law were having sex. Shiori peeked at them. Remembering that scene, she masturbated intensely. She unintentionally called out her son-in-law's name. Then, her son-in-law appeared and embraced Shiori…
