Mom's Real Sex Education - Mio Kimishima

Her son, now of age, has started seeing his mother Mio—a beauty who turns heads on the street but is bad at housework—as a woman. To her son, who masturbates to her sleeping form, Mio gently performs oral sex, saying, 'Just this once, okay? It's a mother's duty...' But having physical contact with Mio makes her son even more obsessed with her. As her son goes wild, Mio says, 'Only as a teacher, okay...' and opens her genitals, letting him insert. With his beautiful, big-breasted, gentle mother's body, the son throws himself into practicing sex...