Responses
OKAY UPDATE I FOUND IT!?
update me too i was searching so hard because i liked the premise! ε=ε=(ノ≧∇≦)ノ
If you still want to know here it is https://www.mangago.me/read-manga/success_oriented_guide/
YES THIS IS THE ONE
So! It's a BL manhwa, and it's about a this guy who died trying to save someone he loved from a bomb(?) but they were inside a building and his unrequited love was already with someone. But that was the only kind act the main character did in that life time toward his unrequited love. And after dying he came back, while he was in the middle of class. He then decided he'll try and save everyone and stay away from his unrequited but once he see's him he can't help but fall for him again!!
AND THIS IS A GUIDE VERSE..PLEASE HELP