Eunji and Hoya have been friends for the longest time. Yes, he's the one to scare off the guys picking on her. He was the one to carry her home when she hurt herself badly. Yes. He was that guy watching her from afar while a guy confessed his feelings for her. Yes. The guy who stayed smiling when she got her first boyfriend.

But one cold summer night everything changed. The boy who could kept the anger in, the boy who sacrificed his happiness for the Eunji he always loved... Was gone.