Someone saved IU in the first day of school. She met the guy who saved her life. She felt indebt and stayed by his side. She fell for him... but it was her teacher, Wooyoung.  Is it wrong to love someone? Was it wrong to fall for him? Later on, they both agreed to have a relationship. But it was still doubtful for IU. Will all her worries and doubts vanished? If she finally asked him... "Are We Official Sir?"

Lee Ji Eun || IU

-- A student of Cornell Academy. She's a happy go lucky kind of person. Bubbly, active and sweet. Always with her favorite teacher which also is her savior..

Jang Wooyoung

-- A teacher at Cornell Academy. An understanding, kind of person. Funny, approachable, dependable and sweet. Once saved IU from an accident. The one who IU follows around.