Hyūga Minori

Minori is Saki's little sister.

Hyūga Saki
Minori gets along very well with her sister.

Mishō Mai
Minori looks up to Mai and sees her like another big sister.

Kiryū Kaoru
Minori took quite the liking to Kaoru, and Kaoru developed a soft spot for the child herself.

Trivia

 * Her voice actress, Saitō Ayaka, also voiced Mofurun in Maho Girls Precure!.