Sohee is the nicest person. Everyone in class knows they can always count on her and she never says no. She always smiles and doesn’t express her anger even when someone throws an insult at her. However, her little-miss-perfect act is all a lie and Sohee struggles every day until she meets the new transfer student Dongmin. When Dongmin finds out about her secret, she asks him to teach her how to be a nice person. Will she be able to turn over a new leaf and become the person she wants?