Kanna, a former presidential secretary, married a man who ran a business. Although she was a mother-in-law, she was a caring mother-in-law who cared deeply for her son who had been living a secluded life at home even after he had grown up. One day, a mother-in-law massaged her son to cheer him up. However, while massaging, the mother-in-law was confused by the sudden swelling that became stiff and hard, causing the mother-in-law to wet herself unconsciously. My Excited Son Pestered Me To Nui...!