Koizumi Hanayo is rendered with a gentle, endearing expression that captures her shy and kind nature as an idol. She wears a pastel-themed stage outfit featuring a light blue and white dress trimmed with delicate lace and gold accents, with pearl-like details and a bell charm at the chest. Soft transparent wings are attached at her back to echo the Love Wing Bell motif, and her pose conveys a sense of warmth and approachability, as if inviting fans to join her musical performance. The base is clear with a bell emblem and subtle sparkle.

Koizumi Hanayo, known as Umi's devoted friend in the series, is a compassionate and earnest member of the school idol group μ's. She begins with a quiet, bookish demeanor and a deep love for rice and home-made meals, but she discovers her voice and grows into a confident performer as she supports her friends and works toward school festival dreams. In this Love Wing Bell rendition, Hanayo's charm comes through in her hopeful gaze, gentle posture, and aspirational energy. Her pancake-light choreography is matched with a crisp, uplifting melody, and the winged bell motif symbolizes her wish to reach out to fans with warmth and sincerity. Her character arc celebrates friendship, perseverance, and finding one's own voice.