Makisu

Makisu Adderamy is a kid who got their name from a phoenix. Makisu faces challenges to put an end to a mysterious murderer. Makisu is 15 years old, who at first lived on earth and was the owner of a shop. He was in his early twenties but then was assassinated but these people wearing masks to fully cover their face and chests. When Makisu was reborn into a new world he some how kept his memories. He was also born in a concentration camp. He stayed quiet for 15 years before a sudden accident happened. He was forced to run and almost died before a Phoenix showed up. They talked to each other before merging. Now the phoenix lies within Makisu, and Makisu has the Phoenix's powers.