The soul of the dead "someone" comes to a "somewhere".
"Attack on Titan": She named herself Sisles Brownid, and met the young Eren Yeager and Mikasa Ackerman after breaking through the wall. During an operation after joining the Survey Corps, she was personally sent into the mouth of a giant by her future self, and came to Marais. After experiencing some things, she was full of anger towards Marais - "I do not pursue freedom. Because the so-called freedom is just a prison created by myself." - She wants to use the power of Allen's coordinates to avenge Marais, and she will definitely succeed.
