I read it a long time ago and forgot the title of the manga, but I remember some details of it
It's about a police man/detective? and a petty thief. The detective has blonde hair I think and the other guy has black hair. I do know that the detective is the older of the two, and they both have english names (I think). Unfortunately I dont remember much of the plot, but I remember the thief breaking into the detective's house once which upset the detective a lot because his previous partner was killed by another break in.
I think the manga you're referring to is On Doorstep by CTK/Chongtak. This is the summary:
Jimmy, a small-time thief, is caught pickpocketing by a middle-aged guy named Reese. Instead of handing him over to the police, Reese makes him slog hard for a day at the book store where he works. Wanting to get back at the other man for humiliating him, Ji...... 1 reply