Kurumi Koutetsu is the main protagonist of the anime series 'Koutetsu Tenshi Kurumi' (Steel Angel Kurumi). She is an artificial being known as a Steel Angel, created during the Taisho era. Kurumi is activated by the accidental kiss of the young protagonist, Nakahito Kagura, who becomes her master. Possessing superhuman strength and a cheerful, energetic personality, Kurumi is fiercely loyal and protective of Nakahito, often finding herself involved in comedic and action-packed situations throughout the series.