if you're looking for an older green flag top My Sadistic Master is a really good one. If you're looking for that like a stepfather type vibe (I know Gilate isn't Hojin's stepfather, but he's damn near his uncle, who helped raise him), you might like The Cuckoo Refuses to Leave the Nest. I'd recommend another story to you, but I can't find it here, but it's My Beloved Ajeossi. Above all my Sadistic Master is go good.

does anyone know any manhwas that are like this