The Way to Heaven

The Way To Heaven (天国へ行けばいい, Tengoku e Ikebaii) is a one-shot manga written and illustrated by Yamimaru Enjin. It is licensed in North America by Digital Manga Publishing, which released the manga through its imprint, Juné, on February 11, 2009.

Plot
Moriya, a former boxer, and Watase, who left the yakuza after watching Moriya's match. Two strangers, who, after a traffic accident, find themselves at zero-point, a place between life and death. There, they're offered a way to rejoin the living by a mysterious woman.