Yukishiro Sanae (雪城 さなえ Yukishiro Sanae?) is Honoka's grandmother. Quietly, she knows Nagisa and Honoka are really Pretty Cure but doesn't let them know about it. She possessed Mipple in the past as shown as she has a Card Commune while she tells Honoka and Nagisa a story about never giving up and it's implied that during this was at time of World War II in Japan when she was a child.