A character from the light novel series Toaru Majutsu No Index and its spin-off manga series Toaru Kagaku No Railgun.
Roommate of Misaka Mikoto and member of "Judgement", Academy City's student-based disciplinary committee. Kuroko is a Level 4 esper with the power to instantly teleport herself or items in her possession. Has an almost obsession-like crush on Mikoto, much to the latter's annoyance.