FERA-195 My mother was my sex practice partner. I broke up with my girlfriend because the sex with my mother was too good, so I was crazy about it and came inside her over and over again. Sanae Kubota

Her beloved son is worried because sex with his girlfriend isn't going well. Sanae, who dotes on her son, doesn't hesitate to suggest that he use her body as a practice dummy to teach him sex. She gives her bewildered son special training in edge-stopping and teaches him all kinds of techniques. But her son forgets his original purpose and becomes captivated by Sanae...