Ethan Rooke

Gai Tojiro was the head bodyguard of Teikun Ō and the victim of the Gourd Lake murder.

Background
He was very skilled at his job, to the point that he was able to even injure and thwart Shelly the Killer. Although he was not from Zheng Fa, he was the president's most trusted and most capable bodyguard. During the fake assassination attempt, Manosuke Naitō killed him out of jealousy, hoping that he would get promoted to the head bodyguard position.

Personality
While much of his personality wasn't shown he seemed to be a serious and professional bodyguard. He was also an honest man, as Ō knew that Tojiro would never agree to a false assassination attempt, causing the president to turn to Naitō instead.

Name

 * His name is a pun on castle, which is a reference on the chess piece rook.

Development

 * His hairstyle is similar to the shape of the 'Rook', referencing his position as the head bodyguard.