Reincarnated With A Supernatural System

One day, Kael woke up seeing a system in front of him. It was the Supernatural System, but he loses all of his memories and seems to can't remember anything. In order to regain his memories, he explore the world to gain experience and hoping the system can regain his memories.

But this world doesn't seem like what he expected. There a deeper mystery waiting for Kael to unfold.