Belle is one of the main characters in Zenless Zone Zero. She's the co-owner of Random Play together with her brother, Wise. She and her brother also work together as the Proxy known as "Phaethon". Belle's room suggests some of her separate interests are playing electric guitar, snowboarding and fighting games. Young, energetic, easy-going, and seems alert without fear of adversity. outgoing and cheerful. physically slight and slim character, has dark blue hair with large, and expressive eyes.