Reincarnation Coliseum, Vol. 2 (manga)

Mary, the Knight of Flames and one of Zayed's Four Kings, is brought to her knees by Mikagami in his first fight at the Coliseum! Zayed, having been thoroughly humiliated as a result, makes plans to kill Mikagami for certain and picks the perfect gladiator to act as his executioner - Marle, the Superhuman. Not only does she command a skill that can greatly enhance her physical abilities, but she's also the strongest martial artist who can hold her own even without using any skills! Even in a simple contest of strength, Mikagami is at an overwhelming disadvantage! Will he be able to steal the win against such an imposing foe…?!