Mikasa x female reader x Annie: Neolithic

You we're Jean's sister (plz don't hate me). Jean had powers. He could hear what people are thinking, he can make and control fire, and he had super hearing (or whatever it's called). But he had to hide it and so did you. You we're a titan shifter. You two split apart on the day the titan's attacked. Jean thinks your dead and you think hes dead to. But none of you we're dead. You joined a old Scout regiment that everyone thought was a myth or a legend called The Assassins or Assassins for short. You all protect people outside of the wall much better then The Scouts. You never found love after Jean 'died' but one day you went undercover in the millatary since people are finding out about your titan form. It was a wolf. A black one at that. They we're calling you 'Mystery Titan' so you needed to get more info on what they think or will do. But while you we're undercover two people liked you who was appearantly a couple. Their names we're Annie and Mikasa. They both told eachother that they like you and they decided to let you in there love life. But what happens if they find out? Find out in the story! Bye!