Rage Fuel!!!

A man named Justin Pineda, is a middle-age man who lost his parents in a car accident, he was then adopted by a Japanese man who was a close companion of his parents and was left in japan when he turned 20 years old, but one day as he rush to go to his work place he was met with an unfortunate accident leading to his untimely death, but then a mysterious being lends a helping hand, for the condition of helping him back, but with what?