One Piece: the Greatest Villain

Bai Xie died trying to save people, and then traveled through time and got a big villain system! Among the villains: Aizen, the Lord of Xuye Palace! And his ten blades! The King of the Akatsuki Organization, Pein Six Paths! And its members! Dragon Ball Universe Emperor Frieza! The Black Organization in the Conan World! The inexplicable genius of the ghoul, General Ma Gui! Team Rocket from the Pokémon world! InuYasha's brother—Sesshomaru! These villains who are heroes in every world and are in charge of life and death can actually be used by him. What! The Vinsmoke family wants revenge? I used the Thunder Escape Summoning Technique and various ninjutsu to defeat him directly! What! Yonko Bigmom wants to attack me? I use fire, thunder, and iron broken teeth to hit no matter who I am! ....... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.