In a quaint countryside, Shikada Kokonotsu's destiny awaits as the heir to a traditional sweet shop, a future set by his father. Despite this, Kokonotsu dreams of crafting manga instead of sugary delights. Amidst a summer's heat, a peculiar yet charming girl named Shidare Hotaru emerges from a renowned sweets corporation to negotiate with Kokonotsu's father. She aims to recruit him due to his fame, but the catch lies in persuading Kokonotsu to embrace his legacy and inherit the family business.