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

Magic is a world of imagination. The great demon Elias, possessing boundless imagination, sought "that magic" for a thousand years without success, and thus chose to come before the great mage, Celia. "Old dwarf, long time no see." The golden-haired elf recalled their journey a thousand years ago. She remembered fighting alongside Elias. She heard the last words of the sage, Avis. She remembered her great determination to deceive the demons. And a thousand years later, the hand that kept stroking her head. "Elias, even now, are you still searching for that magic?" "Yes." "—Unqualified."... Before meeting Elias, Vlame wouldn't have believed that a demon of equal strength to her master existed. She certainly wouldn't have believed that the Demon King currently ruling Ende had...