After failing his university entrance exam, Atsushi fell into a reclusive lifestyle. Worried about his son, his father asked Miki, the wife of his former colleague and a former private tutor, to help guide him. Miki gladly accepted and began teaching Atsushi, but he showed no motivation at all. Wanting to help him focus, Miki came up with a special method using her own charm—a bold strategy to awaken Atsushi's drive by using her body.