Bio-Outfit, Weapon, and Semblances

This is a story that I wanted to work on, and I knew there's been One-Shots of this with no full story and now here it is. A brother of Neo story that is being made now.
So, what would happen if Neo had a secret from her past that she didn't want anyone to know, but what would happen if that past came back and also had a anger against her. Her own brother returns for vengeance against Neo and for an unknown reason, also Team RWBY gets caught in the middle as they don't know if her brother is also against them as he is Neo's brother. But, what happened if certain events that happened where Neo's brother earned their trust and also has someone fall in love with him?

Disclaimer: I do not own RWBY, they belong to RoosterTeeth.