Chika Satomi, known as 'the angel of grace' for her good behavior and beauty, crosses paths with Ichise Soma, a dessert enthusiast who charms her with his sweet treats. Their agreement to exchange dessert-tasting for helping Chika explore new experiences leads to playful teasing and sweet moments after school. Despite Chika's usual quiet demeanor, she reveals a mischievous side when alone with Ichise, creating a delightful blend of romance and comedy in their budding relationship.