Tengoku e Ikebaii Manga天国へ行けばいい, , Tengoku ni Ikeba Ii , The Way To Heaven
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.
"Together, let's come back alive from zero point"