Nazarick's overall strength is enough to sweep across the entire world; Ainz Ooal Gown will likely not suffer any losses. Those who mind this should not read. Background: The northwest corner of the continent has been unified by the Sorcerer Kingdom, the Council Kingdom has been destroyed, and the remaining countries have become part of the Sorcerer Kingdom. The Sorcerer Kingdom has turned its attention to the City-State Alliance. Thus began its conquest of the six kingdoms.

A BA x Kamen Rider fanfiction, an extended Kamen Rider story based on Kiwotos.

The story begins with the erosion rain half a year ago. An abnormal phenomenon called pollution begins to appear in Kivotos. The polluted place is called pollutant, and the pollutant will generate strange people called corrosive bodies.

The protagonist is Xia Lai's teacher, who transforms into Kamen Rider AIM by chance.

(This is my first time writing a fanfiction, please don’t blame me if it’s not good)

ooc and other issues can be pointed out