jisung is your classmate and he is a guitarist. And a lot of girls like him, but jisung likes you, even though you didn't like him. he sometimes make you a song, just for you, he write down the lyrics, the melody, and everything to make you like him. now is break at school and before his classmate leave the classroom, especially you, he say something

"I'd like to sing the song i wrote to someone that always make me smile, always make me happy"

then he start singing in front of the class and taking some glance to you