Hana Shirosaki, a fifth-grade student, sports long black hair fastened with a pink flower clip from her grandmother and bright blue eyes. Her simple outfits, adorned with the character Higerō, draw playful teasing from peers like Noa Himesaka, yet she wears them unapologetically. Though poised and mature, she harbors an intense love for sweets—particularly pudding—which she strategically leverages to negotiate cosplay sessions or other favors. Initially cautious around Miyako Hoshino, whose awkward demeanor unsettles her, Hana warms to her through shared moments: Miyako’s homemade desserts, collaborative school projects, and her determined aid in recovering Hana’s treasured hairpin during a visit to her grandmother’s home.

Her friendship with classmate Hinata Hoshino anchors her social world, while her reserved nature surfaces in reluctant participation in events like the school play, where she accepts an angel role with quiet resolve. Childhood fears of dogs and ghosts occasionally pierce her composed facade, hinting at vulnerabilities she strives to mask.

Hana’s bond with Miyako deepens from pragmatic exchanges to genuine trust, crystallizing during the hairpin incident—a gesture mirroring her grandmother’s enduring friendship. Though initially drawn to Miyako’s confections, she gradually recognizes the sincerity beneath her quirks, fostering subtle emotional growth.

Born March 7 under Pisces, Hana dreams of running a cake shop, though a stint helping at a bakery reveals the realities behind the fantasy. Her blend of shrewd negotiation—trading cosplay for custard—and youthful whimsy underscores a balance of practicality and playful spontaneity, defining her journey through friendships, fears, and fledgling ambitions.