He was very energetic and boisterous as a child, and he wanted to learn as much as he could from his father. Because his father, Enji, had emphasized that he would be the one to surpass All Might since childhood, Toya became obsessed with fulfilling that dream, becoming just as stubborn as his father to become the next number one hero. This drive to surpass All Might was so great that, despite Enji telling him to abandon this goal and focus on something else, Toya refused and continued training.