Who is Eren's girlfriend?
Approved answer
Eren's Affection for Mikasa
Eren has a deep affection for Mikasa and wishes to share his life with her. His love for her is so profound that he desires to be remembered by her even after his limited lifespan of thirteen years comes to an end. He has previously alluded to his feelings, giving Mikasa a sense of his special kind of love for her.
Source: Attack on Titan