Lab rats forever - A yogscast fanfic

What happens when two people appear out of no where..... Only they aren't like everyone else, they have been experimented on for the past 13 years.. How will the yogscast cope with their secrets... And to make matters worst the head scientist is on the hunt for them..
So this is the story of two teenagers who will change the lives of everyone they meet... But not everything is as simple as it seems..