Tsubasa also had a good relationship with her husband's stepchild and was living a happy life. The only concern that threatens this happiness was Tsubasa's own incredible sexual fetish, which immediately turns into arousal and lewd man when she sees a huge cock. If a bad habit develops, the family will break down... Tsubasa carefully hides her sexual preferences and plays a good mother. But one day, by chance, he finds out that his step-son has a big dick...