author why , so u mean to make us think our version ending than yours ? :(
my ending version : so He back to the time where he want to suicide but that time he did no suicide cuz he came from the future or alternate reality to that reality. So maybe he can meet with Ji Su and many others...
damn.. u know when i read this i.. realized ive got good family i mean like its not perfect , friends, good people arround me are not perfect but u know some of em good nor bad also yeah thank god author thanks