{Their Vanguard Pilot.}

{Mass Effect slightly platonic Yandere H/V x Shepard's sibling N7 vanguard Pilot Fem Oc.}

Vanguard Mecha's are the only special piece of technology that is unique to humans only, These mechs were an unique technology that They had access to, it allowed Them to pilot them but no mare Human can pilot it Them, They would need the Vanguard Gene, a special unique gene that gives the human uncanny abilities and strengths, the alliance along with Human kind was able to use this as an way to be recognized by the other aliens in the galaxy, showing Them that Humans aren't just primitive, that have an huge leap an technology advantage, one of these Vanguard Pilots is Vivian Shepard, the Youngest of John and Jane Shepard whom were twins and older, They were at least 29 of age while Vivian being the unique one of the family was 23 and quite amazing..as She is one of the Vanguard Pilots.

{Warning: I do not own, Mass effect or it's characters, same is said for the art pictures and concepts used, I only own the OC in the story.}