Souya Kazama
Souya is the A-class leader of Kazama Unit and is a rank number two attacker. Due to his actions, he is an antagonist of the Black Trigger Retrieval Arc. He is quite short, despite his age, and is a calm and reserved person. He only talks if he has something important to say. He is also a very good tactician. (Source: World Trigger Wikia)
Pictures
Mangaography