A live-action adaptation of the hit doujinshi comic by the circle Chinchintei! A sweet, plump, busty mom is back! A mother who lost her husband and dotes on her son, me. As we kiss and hug each other every day, our love goes beyond that of a family, and we finally promise to have a loving, sex-filled time on my birthday. But on the night we were meant to be together, an old man suddenly appears in our secret space... My mom is cuckolded, with oil massages, erotic costume sex, and more!