FERA-176 — 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. Aika Nagano

Recently, things haven't been going well between her son and his girlfriend. Worried, Aika asks him about it, and finds out that it's because her son is bad at sex. "Then I'll train you," says Aika, who will do anything for her son's happiness. She proposes a sex training session using herself as a practice subject, but... Aika's overwhelming skills drive her son crazy.