Minato is Junichis younger sister. She is a year younger than him and attends the same school as him as a first year high school student. She is capable in all areas of house hold related work and is proud of it. She also has unique abilities like listening to the ground to detect the presence of animals as well as be able to communicate with them. She has feelings for Junichi. She mentions that she was an adopted sister once but later says it was a joke.