The Sistine Fibel figure is captured in a dynamic, mid-action pose that highlights her scholarly elegance and magical prowess. She stands with one leg forward, her weight shifted as if stepping into a spell, while the long strands of her hair flow with a wind that seems to hum with magic. She wears a meticulously crafted academy uniform turned into a battle-ready ensemble, with intricate embroidery, a flowing cape, and layered accessories. The sculptor emphasizes the soft curves of her figure, the crisp lines of her uniform, and the translucent magic aura swirling around her hand, all on a themed pedestal featuring arcane glyphs. The paint job emphasizes shading on the pleats, metallic accents on the buckle, and a glossy finish that makes her eyes pop, while the base locks in a sense of motion.

Within Rokudenashi Majutsu Koushi to Akashic Records, Sistine Fibel is introduced as an elite mage-in-training from a noble lineage who joins the protagonist's circle at the magic academy. Her discipline, intelligence, and devotion to use magic responsibly make her a key ally as they face dangerous curses and corrupted magic. Throughout the series, Sistine's arc explores her dedication to becoming a capable sorcerer while balancing social obligations and personal growth. She specializes in supportive and protective spells, with a keen mind for spell theory and enchantment. Her interactions with companions reveal her loyalty, stubbornness, and willingness to push beyond her comfort zone to protect friends and uphold justice.