Rengoku is a kitsune who can turn into a human. kitsunes have been more often depicted as mischievous tricksters. Rengoku is a Thoughtful and idealistic, he strove to support people and help them reach their potential. Rengoku’s human form is a young man with bright yellow hair with red streaks, black-forked eyebrows, and golden eyes. He was fairly tall by his standards and possessed a relatively muscular build.