I'm sorry if I said this to y'all because....
Spoiler!
Kim Dan finally left Joo Jaekyung, he wrote a letter to him saying that he left him and find a new life. But unfortunately for Joo Jaekyung, he just realized that he likes Kim Dan and want he to go back
Just remember...
DONT TELL MA THAT I READ BL
DONT TELL MA THAT I READ BL