Walking around town, she is so beautiful that everyone turns to look, but she's not good at housework... Such a mother, Mio, as her son reaches a certain age, begins to be aware of her as a woman. Her son has even started masturbating while looking at her sleeping form. In response, Mio says, 'Just this once, okay? This is also part of Mom's job...' and gently performs fellatio to take care of his sexual needs. However, the son becomes even more fixated on Mio after having a physical relationship with her. To her out-of-control son, Mio says, 'After all, it's as a teacher...' and opens her own genitals, allowing him to insert himself. With the body of his beautiful, big-breasted, kind mother, the son becomes engrossed in practicing sex...
