High school DXD The Rider

Rony Blaze was a normal kid growing up in Japan. He had a nice mom and dad who loved him. They weren't rich, but they had everything they could ever want. That was until his mom got sick and died. Soon after that his dad got sick too. He wanted to save his dad no matter what. He was all he had left. So, when a mysterious man claiming to be a devil came to offer a deal. Rony didn't hesitate at all. The deal was if he signed the deed his dad would be as healthy as a horse at the cost of his soul. The next day his dad was completely healthy. That was until he died in a car accident. Ever since then Rony has lived with his step parents. With their son Issei Hyodo.