I think Eren would be loud and proud about introducing Levi to his family. He'd bring him over, holding levi tightly to his side, and tell everyone "this is my boyfriend Levi!" And Levi's just internally cringing cause everyone keeps paying attention to him and asking him questions. But no matter what AU or circumstance I imagine Carla would swoop Levi up in a hug, welcoming him with warmth into the family. Meanwhile grisha is just disinterested and zeke is a little too interested 😂 idk I always enjoy the thought of the jaegers being a bit eccentric and when Levi's introduced to them he's just like 'holy shit these people are insane' but secretly loves it cause they're a beautiful family 😭