Killing me softly[Sangwoo X Seme!Male!Reader X Male!Various]

Sangwoo has been stalking Someone a very special someone in his book...oh how he wish he could lock him in his basement and protect him from everyone.
one day Sangwoo went looking for said male hoping that he'll meet up with him after 3 long years,while leaving yoonbum unattended at his house.Yoonbum was cleaning and he knocked over a box that said "Tae Hyun" and in that box was picture's of a very handsome male with H/c hair and E/c eyes,yoonbum was confused to why He had those pictures of his friend.
However Sangwoo and bum have no clue that Tae is more twisted than sangwoo.