The younger twin brother of Kunou Issei and older brother of Kunou Ryuushin. He was the vice-head of T.F.O.A.'s 2nd generation and the head of the 3rd generation.

Hideomi started a war against Suzuran after Bandou's defeat. He kidnapped Yasu to lure Harumichi Bouya while he sent his brother Issei to kill Rindaman.

As Bouya was defeating the T.F.O.A. 13 elite fighters, he was scared and tried to run away but his last 2 fighters deserted him 

As he was trying to escape he was hit by Tatsuya