Takeuchi, a renowned womanizer, sought to shed his reputation as a ladies' man by transferring to an all-boys school. It was there that he encountered his former school mate, Iida, who had the peculiar habit of consuming his lunch early. Takeuchi initially brushed it off as peculiar, but he soon became fascinated by Iida's unpredictable behavior and began to observe him closely. As the duo bonded over Iida's homemade lunches, Takeuchi's mundane routine was infused with vitality, owing to Iida's vivacious personality.