Shinigami Doggy

Ken was a normal high-school student until he was hit by a vehicle... chasing after a riceball. In the afterlife, he meets a Shinigami named Shin, Shin's job is to grant the last wishes of women who has passed away. After strange turns of events Shin agrees to give Ken's life back if he is able to grant ONE girl's wish. But will he complete this job successfully? Or will his death be final?