Chiaki, the handsome patissier, is a top-tier cake artisan. However, he's perpetually apathetic, expressionless, and terrible at communication. "If you can't handle it, that's your fault," he bluntly declares, constantly clashing with colleagues and customers. One day, he crosses paths with Momo, a cheerful female construction worker. Though petite, Momo shines like the sun and radiates warmth. Through their exchanges over sweets, Chiaki's lethargic world begins to change— "Can I call you 'Momo'...? No good?"