Bio and backstory

(Y/N) and x-23 were weapons for others together for years but (Y/N) was made to kill everything and everyone somehow the two became friends but as X-23 escaped (Y/N) got recaptured to buy time. They made him go through torture on another level. He eventually escapes to but by himself killing every person that was left in the facility in rage he controls himself when he figures out that he killed them all and then fainted but found by Kevin

Now there gonna reunite but what will happen read to find out more

By the way I don't know what I'm doing or going with this