Isekai JK Machi Okoshi: Kono Koto ni Tsuite, Mazoku ni Irai Shite Yoroshi ka Ukagaimasu

is a Japanese light novel series written by Kusakabe Kazaku, with illustrations by sune. The series began publication on May 10, 2018 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Nacchan, a brave high school girl.

It is crazy to call the Demon King to the town and use it as a tourist resource.

Taffeta is the "second city" where adventurers just pass by, with no sights or specialties. Hull, who works for the government office, was suffering from financial difficulties in the town.

One day, Natsu, a JK hero who came from another world, gets lost in the government office. The level is 1. Super Zako. When Natsu came up with the idea of attracting the Demon King to Taffeta as a tourist resource, he adopted it for some reason. Satan appeared before the Spring who defy the risk of life and limb of the negotiations in devil Castle, the summer of my friends, was the winter JK!?

JK or've come to the devil winter suddenly play, opponents to the devil attract and caves release JKs who became heroes and demon kings and civil servant Haru's town revitalization !? Story!