セブンティーンシロップス 番外編

Second-year high school student Kentaro is spending his first summer vacation with his senior, Mizuki, as a couple. However, with Mizuki busy at his part-time job, they hardly get to see each other. One day, Kentaro’s brother mentions spotting Mizuki working at a bar late at night…!? (Source: Shinshokan, translated)