Seoul Blues

Jung Ha, Dae Young, and Min Ji, have been close friends since childhood. One day, the three of them were drinking together, and Dae Young confessed to Jung Ha that he liked him. However, Jung Ha was caught off guard and rejected Dae Young's feelings. Afterward, Dae Young showed up saying that he was dating Min Ji. Jung Ha was surprised by Dae Young's unexpected behaviour, but he tried his best to maintain their friendship.
(Source: TVMaze)