Daisuke has been in a relationship with his mother for a long time. Compared to the mothers of his friends, the appearance of a mother with a body that likes men is something that Daisuke is proud of and at the same time stimulating, and one day he wants to have it all to himself. One day, Daisuke bumps into his parents loving each other. "Why are you doing that with me..." Daisuke trembles with anger and jealousy.