It’s Uka’s first summer break as Kai’s girlfriend, and she’s determined to ask him to watch this year’s festival fireworks show with her. But when Kai invites her over to his house out of the blue, Uka is swept off her feet, especially now that she knows he lives alone! The idea of learning so much about her boyfriend’s private life turns her redder than the summer sun—can she keep her cool and make her romantic dreams come true?