Please help finding this

I'm looking for a yaoi webtoon, where the mc is blonde w blue eyes and used to be a rich duke, but fell into poverty and he lives on the street, starving. At one point he gets a job but the person who offered it to him had an ulterior morive. I think It was omegaverse too but idk anymore
He has a son who lives w his brown/black-haired ex dude , and he tries to visit him but they don't let him in or something PLEASE HELP I WANTED TO FINISH READING IT BUT I FORGOT THE NAME