Komaba Ritoku (駒場 利徳 Komaba Ritoku?) is a side character of Toaru Majutsu no Index. He's a leader of Skill-Out, where both Hamazura Shiage and Hattori Hanzou are in. A large and imposing man, he is later killed during Accelerator’s first mission in GROUP. Before his death, Ritoku was the guardian of Fremea Seivelun, Frenda's little sister who is in primary school, and his actions against specific espers is likely derived from the desire to protect her.