Himawari Nohara, born September 27, 1996, is the youngest Nohara family member, an infant whose precocious intellect and mischievous energy defy her age. Though unable to speak, her thoughts materialize through subtitles, revealing a sharp eye for authentic jewelry, brand items, and shiny objects, which she instinctively distinguishes from fakes. Her personality mixes innocent curiosity with stubborn determination, particularly when pursuing attractive men—a trait echoing her mother’s tendencies, quelled only when her brother Shinnosuke dons masks of famous actors to divert her attention. Her relentless crawling speed exhausts caregivers, and she treats the family dog, Shiro, as both playmate and unwitting accomplice. While mirroring Shinnosuke’s antics to chaotic effect, she harbors underlying affection for her family despite their frequent clashes. In *Crayon Shin-chan: Fierceness That Invites Storm! Me and the Space Princess*, Himawari’s destiny unfolds as the prophesied princess of the hidden Himawari planet, source of “happiness bubbles” combating global despair. A rare celestial alignment separates her from her family, but their reunion resolves the crisis, reigniting the planet’s joy-producing power and mending Earth’s balance. The film’s climax marks a poignant shift as she addresses Shinnosuke as “brother” for the first time. Adult iterations, as seen in *Super-Dimension! The Storm Called My Bride*, depict her as a police officer or secret agent, prioritizing duty over personal ties. Though more selfless, she retains a bashful reaction to praise and maintains emotional distance from her family, visiting sporadically. Special manga chapters explore her at age five, showcasing chaos rivaling Shinnosuke’s, with antics even he finds overwhelming. Her relationships include Masao Sato, who cherishes a sibling-like bond, and Toru Kazama, who imagines a future romance with her. These interactions underscore her dual role as an object of admiration and friendly rivalry. Named for the sunflower, her vibrant essence is echoed in floral patterns adorning her clothes and toys, symbolizing her bright, enduring influence.