Honoka Yukishiro, known as Cure White, appears in *Futari wa Pretty Cure*, its sequel *Max Heart*, and the crossover film *HUGtto! Pretty Cure♡Futari wa Pretty Cure: All Stars Memories*. As a civilian, she is a second-year student at Verone Academy, admired by classmates who call her "The Queen of Knowledge" or "The Queen of Wisdom" due to her exceptional intelligence. Her personality balances gentleness and understanding with occasional strictness, stemming from genuine concern when others neglect responsibilities. She prioritizes others' well-being, notably helping her close friend Nagisa Misumi (Cure Black) navigate personal challenges like Nagisa's crush on childhood friend Fujimura Shougo. Her closest bonds include Nagisa, Shougo, and Kiriya, a boy from the antagonistic Dotsuku Zone whom she helps understand human emotions before his betrayal and eventual sacrifice, causing her profound grief.

She lives with her grandmother, Yukishiro Sanae, who provides wisdom during difficult times, alongside parents working overseas and the family dog, Chuutaro. The surname "Yukishiro" suggests connections to snow and castles, reflecting her family's wealth and Cure White identity.

Transforming into Cure White lengthens her dark blue hair into curls with a small ponytail bound by a white ribbon featuring a blue heart gem. Her costume is a white dress with pale blue ruffled sleeves and a scalloped tutu skirt lined with tulle, accessorized with pearl heart earrings, white boots featuring sky-blue soles, and leg warmers adorned with heart motifs. In *Max Heart*, her upgraded outfit adds a gold heart-shaped clasp on her belt, gold earrings, and enhanced detailing on sleeves and leg warmers. Her attacks, often performed jointly with Cure Black, include *Marble Screw* and its enhanced variants, *Rainbow Therapy*, and *Rainbow Storm*. With Shiny Luminous, she performs *Extreme Luminario*.

Her development involves overcoming interpersonal conflicts, such as a temporary rift with Nagisa over a misunderstanding involving Shougo, and processing grief after Kiriya's death. This grief resurfaces in *Max Heart*, where she struggles to discuss their past as Pretty Cures with Nagisa until new threats emerge. Her grandmother's guidance reinforces her resilience and commitment to protecting others.

In *All Stars Memories*, Honoka/Cure White plays a pivotal role. After Miden, a sentient camera seeking memories, turns most Pretty Cures into infants and steals their memories, she is initially reverted to infancy. Nagisa's confrontation with Miden restores Honoka's memories and adult form, enabling her to rejoin the battle. The film explores themes of memory and connection, with Honoka contributing to the collective effort to heal Miden's loneliness and reclaim the stolen memories.

Across all media, her aspirations include becoming a scientist and winning a Nobel Prize.