A sixth-grade girl, and the daughter of Ayako. Natuski is a very talented dancer whose skill is leagues above her peers, but is generally too serious and her expressions are inadequate. Proud and perfectionist, Natsuki puts tremendous effort in ballet, striving to be the best. Natsuki feels attracted to Junpei as a dancer, as his expressive dancing matches her own views. The two have many in common in terms of how they view ballet and have been able to dance in perfect sync. There are hints of mutual romantic feelings between the two.