18 years old. She wears her natural red hair in twin tails and is dressed in a maid uniform. Usually strong-willed with a sense of justice, she is actually lonely deep down. She deeply respects and loves Hiro. She looks up to Reika like an older sister. After her life was saved, she moved into Hiro's mansion, serving him with devoted adoration.

28 years old. Dressed in a white suit, his silver eyes hold a cold light. He has an old scar on his neck. Cruel and calculating, he is a battle-crazed maniac with an abnormal obsession for fighting to the death against the strong. To drag Hiro—who was supposed to be dead—back to the battlefield, he relentlessly targets the people around him.

17 years old. She has glossy long black hair tied in twin tails and always keeps a smile that puts others at ease. She is the head maid with perfect poise. She handles everything from Hiro's secretarial work to his personal care with absolute perfection. She is Hiro's greatest confidante, accepting everything about him.