Paradise Music Academy gathers musical talents from all over the world. For her childhood promise, she followed him to this place, but with no knowledge of music, she didn't know how to stay in this elite place. It wasn't until she first came into contact with that charming piano that her musical life truly began. Just when she thought everything would go on smoothly, another him appeared. Even though she finds him annoying and often quarrels with him, her heart will throb for him. One is an elder brother and the other is also an elder brother? In this love song played by piano and violin, who is the performer?
"Just like your name, you will be my only one forever."