Campione: Strongest Reincarnated Godslayer

The legendary first Godslayer Renjiro Akiyama, who fell in battle was reincarnated into a body that possess the exact same name. He soon discovers he possesses a unique system that allows him to regain his powers and skills from his previous incarnation, along with giving him the ability to change his fate. Watch as Renjiro fight heretic gods, battle fellow Godslayers all while trying to adapt to his new life as a high school student in Japan. This is my first book, I would appreciate any comments or advice on how to improve the story.