Insane and in Love~ (Eren X Reader X Armin)

You thought you were going to live out your life with your closest friends, Eren Jeager and Armin Arlert. But then Wall Maria collapses, and you lose them in the confusion. While they believe you to be dead, changing your entire life.
Years later, while serving in the military you stumble across your old friends, who are overjoyed to see you. However as you've changed so have they. "Have they always been this cute?" While your friends begin to question, "Has (Y/N) always been this insane?" You struggle with your emotions as you begin to fall in love with both, and wonder how can you save humanity and chose between both?