The Purple Praetorian

It's been 4 and a half years since Xeno, Nova and Zexal have set out on their journey of discovery. They visit their home of Behsa a few times a year to check on things during breaks on bounty hunting missions simply for a change of pace. But Xeno still feels as if something is missing. After bringing in a big time mafia leader she feels uneasy while waiting for her payment, only to discover another bounty hunter is staring her down....