This Aizen Wants to Make Progress Too Much

Note, this man's name is Aizen! Being carried through the world of pirates by a mysterious mask, every time he dreams, he will come to Soul Society and become the villain Aizen Sosuke hidden in Seireitei. In the world of Shinigami, he lay dormant in a low-key manner, constantly improving his spiritual power, kendo, kido, Shunpo, Zanpakuto Kyoka Suigetsu, etc., And quietly waiting for the opportunity to kill the Soul King; in the world of pirates, he struck out with heavy punches, beat the Shichibukai, pacified the Yonko, overthrew the King of the World Im, and worked hard to create a comfortable home for the villain... Aizen: After studying Devil Fruit and Zanpakutō, everyone is awakening the Zanpakutō! From today on, I will stand in the sky! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.