As more and more Servants join Chaldea, maintaining resources for so many is becoming a problem. And so, a cruel order has been given...

Jeanne d’Arc Alter needs a serious amount of QP because of reasons, so she heads to the Kabukicho Singularity, the glittering gem of the nightlife scene, where she begins working at CLUB M. There, she hopes to become the best in town! However, she must first contend with a slew of troublesome customers, as well as the Four Elite hosts.