Hakuya Kwonmin

Prime Minister of the Elfriedon Kingdom. One of the 5 people discovered during the gathering of Gifted People. Serves as Souma's right-hand man and a man of great insight into the human psyche.

Spoiler Warning: Click to View

Hakuya develops a close relationship with the Supreme General of the Gran Chaos Empire Jeanne Euphoria based largely on complaining about their leaders.

(Source: Wikipedia)