Haruka has been shown to be a quiet and protective person, showing great care for her fellow members. She seems extremely attached to her armor. Haruka's armor design seems to be based on a traditional Japanese samurai armor called Yoroi. Underneath her armor, she is bulky in her build with a toned body, towering over others with her 210cm. Her hair is long and fairly spiky with bangs covering her scar. She is member no. 6 of the Round Table and is a Negator with the alias Unbreakable.