i wasn't sure if it was a webtoon or a manga but the main lead is a big guy that took care of a kid then he died. after that he reincarnated as a pretty boy
if you know it, please leave the title here (=・ω・=)
Maybe it's this one https://www.mangago.me/read-manga/kill_the_lights/
no matter how tall your walls are, if your man is carcel (in his married era) i doubt your wall will last long. the way he boosts ines and simps on her without him knowing he's actually helping her overcome her fears and doubts. lord, drop a man like carcel for me please