Responses
I have a gut feeling its this
https://www.mangago.zone/read-manga/decision_webtoon/
Ayo it was a dup question that was already answered. Nvm my post then （/TДT)/
I remember the bottom guy is an, assassin and the top is a wealthy guy who's looking for adrenaline rush or something, like he's so bored and looking for excitement in his life. That's it i just remembered rooftop and roses or something, that's it hope that helps