Jung Si Yeon is just your average high school student. Sweet and spunky, she spends her carefree days hanging out with her best friend, Yoon Hee, and crushing on the new transfer student, Sung Hyun. When she finds out Sung Hyun was a drummer in a band, she tells him she’s in a band as well, in a desperate attempt to impress him.
Jung Si Yeon é só uma aluna comum do ensino médio. Doce e corajosa, ela passa seus dias despreocupada saindo com sua melhor amiga, Yoon Hee, e paquerando o novo estudante transferido, Sung Hyun.