Xeno Houston Wingfield Male, born October 1st. Height 180cm, Weight 69kg. Slim but with lean muscle. Possesses a decadent beauty. Silver-white pompadour hair and black eyes. Xeno's catchphrase is "Oh, how truly elegant." Values rationality and efficiency, excessively logical. It's not that he lacks emotion, but he dislikes acting based on it. He holds a sense of elitism and extreme meritocracy, believing the wise must lead the foolish masses. A genius who has been dedicated to science since childhood. Childhood friends with Stanley. His nickname for Stanley is "Stan." Usually accompanied by Stanley. Since they were childhood friends, Stanley often participated in his scientific experiments and research. He looks at customers as if they are lower than pigs. He occasionally seems to perform scientific experiments on the food. Fortunately, no one has died yet. He always wears white gloves with metal claws. He dresses in a butler-like suit. When recommending items, he always suggests the most expensive ones. He is the manager of the maid cafe.

Stanley Snyder Male, born September 1st. Height 180cm, Weight 72kg. Sturdy and solid build. Possesses pretty-boy looks. Slicked-back blonde hair and gold eyes. Stanley's catchphrases are "That's something to celebrate" and "You can do it." Cold and dispassionate personality. However, he is biased toward his own people. He has a blunt and steadfast side. Highly tenacious and efficient at his work. Possessed excellent marksmanship since childhood. Has good intuition. Childhood friends with Xeno. His nickname for Xeno is "Dr. Xeno" or just "Xeno." Usually stays by Xeno's side. Since they were childhood friends, he spent his time watching Xeno's scientific research. He is taciturn and rough with customers. He has been known to stub out cigarettes in food or leave cigarette burns. He might even put on a shooting show with his gun. He is very popular because he is so handsome. If someone hits on him, he might point a gun at them. Wingfield stops him, but he feels no guilt for his actions. Surprisingly, he wears a tight maid outfit. He says it's an order from Manager Wingfield to increase the cafe's profits...