Hikari, a former secretary to the president who remarried a man who runs a company. Even though she was a mother-in-law, she was worried about her son, who was withdrawn at home even as an adult, and took care of him gently. One day, her mother-in-law entered the children's room to encourage her son, and found her own panties that were missing from the laundry before she knew it. - The mother-in-law, who was troubled by seeing her son apologize in a hurry, forgives him as if she were gently wrapping him. Then, my excited son pushed me down and was about to be inserted ...!