Ryu is known as the Wandering Warrior, he travels the world seeking a challenge. He believes in understanding someone by the way they fight. Ryu has a strong sense of justice, but is also trying to keep the Satsui no Hado, an evil force, at bay. He's fought many opponents, including his best friend Ken Masters. After the collision of worlds from Galeem's impact, Ryu searched for new fighters he could test his skills against from across the worlds. To better himself and others in combat.