about the characters~

what happens when a girl out of nowhere is added to the book just to be the main protagonist
who does she ends up with?
who ends up with who?
is she actually the main lead character or not? what happens in the end?

the original story doesn't belong to me, credits goes to the real owner of the k-drama along with the webtoon and characters. im just here for a lil fun and spice and make ya'll enjoy it, i hope ya'll like it :3