StarringHwang Jeong-Eum, Park Seo-Joon, Si Won Choi, Da-Bin Jung, Jun-Hee Ko
PublisherOne Take Media Co
One day, Hye-jin receives an e-mail from her childhood friend, her first love, Ji Sung-joon, whom she hasn't seen since he left Korea as a child. Sung-joon used to be bullied by their classmates for being fat and wear glasses, and it was then-popular Hye-jin who protected him ( similar to shows like Crash Course)