Located next to Kurabe is the metropolis, 'Ikawa City'.

It is a leading tourist destination nationwide, and also a 'sacred place' where many ○○ gather.

However, an ominous shadow falls upon the paradise of ○○. The newly appointed mayor, in order to restore the city's tarnished reputation, has declared a large-scale extermination of ○○.

"Project ○○ Zero"—it is a countdown to death for the ○○.

The crackdown on ○○ is becoming increasingly strict each day. Innocent ○○ are being arrested one after another. The paradise of the lustful beasts is rapidly transforming into hell.

"From this city—I smell the scent of desire. The smell of hungry beasts and rutting females—"