A Forbidden Hot Spring Trip with Grandchildren: Mayumi Okada's Aizu Yunokami Onsen Trip MADN-023

Mayumi, living with her son, his wife, and grandson – three generations under one roof. Her grandson is in university but hasn't made many friends and stays home a lot. Worried about him, she planned a family trip, but her son and wife couldn't go due to an emergency, so she decided to go with her grandson. Her adorable grandson has grown up quite a bit. She was so happy to see her body get erect. Facing her grandson's erect penis, her body began to stir… She took his penis in her mouth and inserted it directly into him. Presenting a forbidden incestuous hot spring trip with her lifelong active, sex-obsessed mother-in-law.