Mei is one of the twin sister chefs working at the Orio-ya inn in the hidden realm of Kakuriyo. She and her sister Kai are both cranes, and their identical appearance is distinguished primarily by their hair color, as Mei has white hair while her sister has black hair. They share matching brown eyes.

As employees of Orio-ya, Mei and her sister are among the few staff members from that establishment who are kind to the protagonist, Aoi Tsubaki, from the very beginning of her time in the spirit world. Their role in the story is as supporting characters who work in the kitchen, and they hold a deep respect for Aoi’s cooking abilities. They take a genuine interest in learning her recipes from the human world, which highlights their dedication to their craft as chefs. Their relationship with Aoi grows stronger after she assists them in preparing a meal for a particularly difficult guest, an event that solidifies their bond and mutual respect. Information regarding her individual background, personality beyond her professional demeanor, personal motivations, character development, and any notable supernatural abilities is not available from the provided search results.