My ID Is Gangnam Beauty (2018)

This series tells the story of Kang Mi Rae, a girl once bullied for her looks. As a result, she became insecure, cautious around people and withdrawn. However, Mi Rae decides she wants a fresh start away from bullying and gets plastic surgery to transform her face. When she begins university, she meets Do Kyung Suk from their middle school days, who sees people for what they are on the inside and not the outside; he then becomes attracted to Kang Mi Rae.