(Ex-Iz*One/Ive's Yujin x FemOC) You and Yujin are the most well-known couple at Seoul High School. Well, they used to. The two broke up on their fourth anniversary during their first year because Yujin's feelings for you had faded. As the junior year begins, you spot Yujin with somebody new. A few weeks later, Yujin walks by a classroom until she hears someone singing, not knowing it is yours. Will Yujin be able to find the owner of the voice?