RobiHachi

In Neo Tokyo in the year G.C.0051, humans have known of aliens for the last 50 years and obtained super light-speed navigation technology and formed a commonwealth of planets. Self-proclaimed freelance reportage writer Robby Yarge fails at work, so his contract is cut. His girlfriend leaves him, he nearly dies in a traffic accident, and debt collectors are after him. One day, a bag snatcher steals Robby's bag, and a young man helps him. Hatchi Kita, an 18-year-old part-time worker, catches the criminal and returns Robby's bag. However, Hatchi turns up again in Robby's life as a debt collector. Hatchi explains that it's his part-time job working for the loan shark Yang. A cat-and-mouse chase begins, and Yang takes his subordinates Allo and Gras along for the ride.

Synopsis from Anime News Network