He killed himself with a gun in his previous life after Ido raped him and confined him cuz of the misunderstanding that the uke slept with Ido's elder brother.
Look shinwoo my bud/dude/boy I see and totally understand where you are coming from but please for G**'s sake just take this leap of faith and tell him everything. Yeah he might leave after hearing that you're an emotional wreck but I say u give it a shot. Trust in g**/destiny whatever and just say it. Rip it off like a bandaid. I trust in you. Please shinwooo pleaseeee😭😭😭😭