His mother was killed by the Nightray family. But despite this, he retains a bright, optimistic, and energetic personality. When he was young, he worked hard to gain praise and recognition from his father. However, he had discovered that his father hated him to the point of not wanting to touch him. After experiencing this, Oz began thinking that there is no guaranteed thing in the world. He thought of himself as weak and, in order to protect people, he could atleast remain an obedient child and let harm come his way. Eliot had stated that his disregard for his own safety has become his friends' burden and the fact that he takes his own life lightly means that he has no right to protect anyone.
