As the leader of Oya High and one of SWORD's leader, Murayama is one of the strongest fighters. He was the strongest in Oya High ever since he enrolled there until he left. He is known for his tremendous durability, as shown when he withstood 100 hits and then taking down all of his opponents after. However, he started to change when he lost to Cobra. After their fight, Murayama realized a lot of things and became more mature. He started to understand what being a leader is about.