The killer's assistant (Oc x Yata Misaki)

Katrina was the colorless king's partner in crime as she kill one of the red clan members but when she lost the colorless king she was hunted down for a while by the Red king and his clan but that didn't stop her from going forward she fought and won everyone thought she was a guy but that changed to when a certain skater boy found her sing with a hood on that he knew it was fimilar to him