A quiet girl who is Nagisa's classmate in both second and third year of her junior high. She lives with her grandmother Sanae and her dog Chuutaro, as her parents are constantly working overseas. She is quite knowledgable and is often nicknamed 'The Queen of Knowledge.' Her specialty is the science club, where she is looked up to by the others. Honoka has not had many friends, but the few she has seem to be really close to her, and she has come to appreciate Nagisa's friendship. As Cure White, she is swift and graceful. She introduces herself as "The Emissary of Light, Cure White!"