Ikkuu Ameya

Ikkuu is an immortal and one of the newer members of UQ Holder under the number of 10. He revealed that he was born 85 years ago, but when he turned 13 he was in an accident and rendered into a coma until he was given an artificial body. Since then he joined UQ Holder as thanks for their help and to defend the world he loves.

(Source: UQ Holder Wikia)