Kkeuteseobuteo Hangeoreum
Lover's Vain·끝에서부터 한걸음
Bae Songwoo has secretly loved his friend Kim Sangjin for a long time. One day, he discovers a strange book in his home containing Kim Sangjin's life story, with Bae Songwoo only mentioned briefly. As he tries to dismiss the book, he notices events unfolding exactly as described within it.