Bell Renjouji is a 14-year-old girl in 8th grade with a Sexy-type style. A famous Prism Star already, she sought to become the middle school manager of Prism Stone as a way to kill time when she met Naru Ayase, who became her rival. Usually calm, confident, and composed, she is a member of the rival team at Edel Rose that confronts Prism Stone.

Her Prism Live instrument is the violin.