your MK-18 (u can decide ur gender this time male or female whatever) your a T-doll who was captured by the ar team (but in this au they are with the sangvis) and you have been put in a cell, as the 4 stand guard, M16A1 walks off to do smth leaving M4A1,SOPMOD and st ar-15

sopmod: im bored

M4A1: mhm

ST AR-15: silent

M16A1: too busy doing what she's doing