Help find

looking for this competed BL manga about this guy who owns someone money, and like this loan shark goes out to find him and he keeps trying to turn away. Eventually he finds accidentally (?) finds his ex girlfriends drugs and tries to sell but gets beat up. In the end him and the loan shark go to his old house just to find it’s been destroyed a long time ago. Turns out the loan shark already paid off the guys dept. please help me find it :)