Suruga Kanbaru (神原 駿河, Kanbaru Suruga) is Koyomi Araragi's underclassman, star player of the school's basketball team and one of Hitagi Senjougahara's acquaintances from junior high school. She is often seen having her left arm covered with bandages. Many people do not know that Kanbaru hides an oddity in the form of a "sentient" left arm.