Ishuzoku Tsuihou Concafe summary: Yoshio Yoshida, a company employee who enjoys going to concept cafes, hears a rumor from a familiar con café girl about a "con café with a strange atmosphere" that has opened in his neighborhood. Yoshida, intrigued, visits, and finds three unmotivated and peculiar con café girls in a store with a strange concept. They are actually real demons, dwarves and elfs.