[No matter how much cum is poured in, the breeding sex won't end!! Even after 10 ejaculations, she still begs for the cock] Saeko, who has a past of being a sex addict, was living a peaceful life. However, one night, she is shocked after peeking at her daughter and son-in-law's nighttime activities. Her gentle and kind son-in-law was making her daughter cum repeatedly with beast-like sex. Seeing this, her past memories are revived, and she begins to crave that tireless cock. Then, on the day her daughter leaves for a training trip, she sets a trap of temptation and attacks him all at once...!!