Ranmaru Kageyama

Ranmaru is a thin, short, teenage boy with gray-blue eyes and soft, fluffy-looking white hair with bangs.

Ranmaru wears a high school gakuran uniform, with an especially cropped top. The pants are held up with a light gray belt. His body is wrapped in bandages from collarbone to the palms of his hands and he wears a shuriken-shaped pendent. He's also wearing indoor school slippers.

He wears a collar as do all participants, dummies, and floor masters. Like all of the dummies, Ranmaru wears one that was specially made for doll usage.

(Source: Wiki)