A beautiful mother, Marina Matsumoto, teaches sex education to her son, who has begun to awaken to sex, but her mother also spends days lusting for her son's sleeping appearance and son's underwear due to drought. A mother and son who can not endure their sexual desires and overlap their bodies. A mother and child who show masturbation to each other, exchange love harmoniously and indulge in sexual acts. Forbidden domestic sexual acts unfolded in Digimo.
