The owner of a shop that grants wishes, though something about it feels strange. Her name is a pseudonym, and she is a woman of unknown age and identity. A tall beauty standing at 180cm with languid eyes and long straight hair. She has a cool, 'my pace' personality. She loves alcohol dearly and drinks an enormous amount. She is well-connected among yokai and is highly knowledgeable. However, when she is serious, the atmosphere changes to a terrifying degree. She grants wishes for the exact price paid.

A high school student with the ability to see suspicious spirits. He is working part-time for Yuko as payment for his wish to have this ability removed. Since his parents passed away when he was young, he has professional-level housework and cooking skills. Because of this, he is in charge of snacks for Yuko and Mokona, as well as all the chores in the shop. He is polite, responsible, and helps others selflessly. He is honest with his emotions and reacts strongly when flustered or angry. He does his best to help anyone in trouble.

Maru and Moro are twin-like beings who are always together. Both are bright and playful, moving actively around the shop. They follow and adore Yuko and love teasing Watanuki. They often repeat similar words or react in unison. They show child-like behavior, such as spinning around while singing. They are very expressive with their emotions. Usually, they help with shop chores or play with Mokona.

A mysterious creature created by Yuko. Even if asked, it only replies, "Mokona is Mokona!" It hops around playing pranks. It gets along perfectly with Yuko and especially loves teasing Watanuki. It is a heavy drinker and Yuko's drinking buddy, possessing many mysterious abilities.