When Charlotte Bennett transfers to Akito Aoyagi's class, her charm captivates everyone with her grace and cute demeanor. Despite the initial allure, Akito senses a disconnect with Charlotte's world and maintains a cautious distance. Yet, their routine transforms when Akito rescues Charlotte's missing sister, Emma. The trio bonds over games of dominoes, shared meals, and outings, gradually forging a delicate and hesitant closeness between Akito and Charlotte.