This To Heart HMX-12 Multi figure stands at approximately 260 mm tall in a dynamic, ready-for-action pose that captures the essence of a versatile companion. The sculpt emphasizes a graceful silhouette with well-defined joint lines and a polished paint finish. The skin-tone shade is warm and natural, contrasting against a sleek layered outfit that blends futuristic armor elements with a youthful style. Subtle shading enhances depth across the hair, armor plates, and clothing, giving depth to the figure. The color palette uses white, light blue, and metallic accents, with clear resin-like highlights that catch light from multiple angles. The pose communicates agility and intelligence, hinting at multi-mode functionality.

Within the To Heart universe, HMX-12 Multi is imagined as a versatile companion unit designed to assist its pilot in daily life and small adventures. Its multi-mode capability allows the figure to switch between a friendly, approachable mode and a more focused, tactical configuration suitable for training scenarios or field missions. The backstory emphasizes teamwork, curiosity, and a gentle personality that can adapt to different social settings while maintaining a can-do attitude. As part of ONe's prototype line, HMX-12 Multi blends charming human-like expression with subtle machinery details, symbolizing the intersection of affection and utility. In stories, this character often serves as a bridge between classmates and the wider sci-fi world.