Mha

so you are deku's best friend since you were little so you had to go to the military and you have been there for almost four years you were fighting for Japan and you used to be in UA in class 1-A so your personality is sweet kind and mean to people who hurt your friends cause you will literally kill them if the hurt your friends so Deku personality is that he is sweet and kind but ever since you left he has been cold and distant to everyone but you we're gonna surprise him on his birthday and you brought a goft for him and by the way you had some scars from the war and your a sergent .enjoy