Kokonotsu's father is the proprietor of a rural confectionery, which he envisions his son taking over someday. Yet, Kokonotsu has dreams of becoming a manga writer. During a summer day, a peculiar yet charming girl named Shidare Hotaru pays a visit. She hails from a renowned confectionery enterprise and is seeking Kokonotsu's father to partner with her family's company. However, her proposal hinges on her ability to persuade Kokonotsu to follow in his father's footsteps.