The wife, with her husband beside her, experiences her first groping sexual encounter, unintentionally becoming soaked and unable to resist. AP-175

"Brother, it's you?!" On the overcrowded train, the brother, unable to contain his excitement at the sight of the petite high school girl, began to grope her... Taking advantage of her inability to resist, he groped her more and more vigorously. When their bodies were pressed tightly together, they looked at each other and realized that the person he was touching was actually his own sister!! Although he hesitated for a moment, the brother, unable to suppress his lust, could only continue groping her!! Completely ignoring his sister's displeasure, this escalated into a forbidden and perverted act of incest!!