Aizen is not dead, he is already immortal, and there is no way to kill her in Soul Society. After being defeated by Ichito, he was imprisoned in the deepest eighth hell under Soul Society's first team. During the thousand-year bloody battle, Yhwach captured the Spirit King's Palace. In order to save the war situation, Kyōraku Shunsui released Aizen from prison.
Aizen Kuyousuke
Chinese name: Aizen Suyousuke
Foreign name: Aizen Suyousuke (あいぜんそうすけ), Aizen Sousuke
Played by: Kanego Oguchi
Voice: Hayami Shou (Japan), Li Xiangsheng (Taiwan, China)
Appearance: "Death"
Birthday: May 29
Gender: Male
Height: 186CM
Weight: 74KG
Professional title: Fifth Class Captain of the team, usurper ruler of Hueco Mundo
Hobbies: reading, calligraphy
Zanpakuto: Mirror Flower and Water Moon
Constellation: Gemini
Like Food: Tofu
Disliked food: Boiled eggs
Team flower: Ma Zuimu
Flower language: Sacrifice·Danger Pure Love