Yokai Art- Night Parade Of One Hundred Demons -

He published encyclopedias of yokai, standardizing their designs.

The game draws inspiration from the Hyakki Yagyō (Night Parade of One Hundred Demons), a concept in Japanese folklore where a procession of supernatural creatures marches through the streets. You play as a protagonist who accidentally frees a powerful cat-girl Yokai named Nebula. In exchange for your help, she grants you the power to capture and command other Yokai to stop the chaos. Yokai Art- Night Parade of One Hundred Demons