Haruaki Azuma

Haruaki Azuma is a character in the World Trigger manga. He's the leader of Azuma Unit, a Sniper and a B-Class Border Agent.

Background
He was Border's first sniper, as well as Kizaki's, and Narasaka's mentor, as well as many others.

Trivia

 * His name literally means "East Spring and Autumn"