Izuku Ackerman Humanity's Strongest Hero

during the battle against Eren Jaeger

levi Ackerman,Mikasa Ackerman and Armin Arlert were hit with Eren's/Armin's titan lightning along with getting hit by a bolt by ymir fritz and they get sent to a random place with new bodies

Japan

levi was the only one to keep his memories from the beginning of his new life

eventually everyone got together and had gotten their memories back

then levi turned 22 and he got a wife