Fan + no CP
Edogawa Ranpo was selected by the system created by the world consciousness and traveled to the world of Demon Slayer: Kimetsu no Yaiba.
He shoulders the important task of repairing the cracks in the original world. He kills ghosts to power the system, and the system can extract companion cards.
Fukuzawa Yukichi and other companions turned into cards to assist him.
In this way, he embarked on a journey of killing ghosts in another world, just to finally successfully return to his original world.
An AI gentleman