Spectre of Remnant (RWBY x CrossFireX)

This is my description. There are many like this one, but this one is mine.

Kestrel Branwen the twin brother little brother of Yang Xiao Long, who was also left behind to live with his father after his Mother Raven Branwen left for her tribe for an unknown reason. 2 years later Summer Rose married with Tai and both had a daughter who's name is Ruby Rose, after the death of Summer years later Kestrel, Yang and Ruby went to look for Raven after finding a clue.

It wasn't good what the found