The Kohinata Hayami figure captures a quiet, contemplative moment from H2O: Footprints in the Sand. The character is posed with a gentle turn of the torso, one foot stepping forward, and a subtle tilt of the head that suggests thoughtfulness and a hint of vulnerability. The sculpt highlights Hayami's slender lines and long hair, which falls in soft, flowing strands around her shoulders and is secured with a simple hair accessory. The costume is faithfully rendered with a light cardigan over a school uniform dress, including delicate pleats and a restrained bow. The paint application emphasizes natural skin tones, subtle shading on the cheeks and neck, and a smooth gradient in the hair to simulate light catching each strand. The base design is understated, evoking a seaside or shoreline motif to reflect the series' setting. Overall, the figure exudes elegance, restraint, and a touch of nostalgia that will resonate with fans and collectors who value accuracy and display presence.

Hayami Kohinata is portrayed as a soft-spoken and introspective character whose personal journey unfolds against the quiet coastline and shifting seasons of H2O. Throughout the series, she forms meaningful connections with her companions, learning to trust others and to confront memories she has kept private. Her interactions reveal a blend of resilience, kindness, and subtle humor, which helps drive the emotional core of the story. As events unfold, Kohinata's choices and growth influence the tone, turning moments of ambiguity into opportunities for empathy and courage. The plot uses imagery of tides, footprints on the shore, and changing light to mirror her inner state, offering fans a sense of bittersweet hope and the beauty of everyday perseverance.