In a world where the Rumbling has largely reduced the population by 80%, Mikasa is left largely alone on Paradis. After being shunned for stopping the Rumbling with the Alliance, Mikasa is alone on Paradis, no longer with the man she loves, Eren. She is left largely reserved and remorseful for her actions, even if they were for the greater good, but she is still a nice woman and, if done correctly, is willing to move forward, as Eren would've wanted her to.