Nanako Mita is a maid working at a large mansion. She is a relatively new employee, known for being clumsy and frequently making mistakes that draw scolding from senior maids. Despite this, she is serious about her duties and caring in nature, which makes her well-liked among the younger staff. Her hobby is cooking. In the story, she plays a role as one of the characters who is subjected to inappropriate requests from the protagonist, to which she responds with expressions of disdain and disgust, a defining trait of the series. Her relationships are primarily with her fellow maids, particularly the senior maid Chitose Itō, and with the protagonist who makes the requests. Development is minimal, as the series focuses on repeated scenarios rather than character growth. Her notable ability is cooking, and she is distinguished by her clumsy yet earnest demeanor.