Shuuji Daikoku is president of the public entertainment office Brave Entertainment, which represents THRIVE and Killer King. His older brother is Atsushi Daikoku.

Shuuji is a man with long black hair tied back in a pony tail and reddish eyes. He wears an earring in his right ear. He seems to be independent and not want help from his older brother. He seems to have good relations with Atsushi Daikoku. Shuuji seems quite playful and at the end of episode 2 shows his care for the groups.