Ami lacks self-confidence and often speaks in short phrases due to her discomfort around others. She was reluctantly chosen for the Metal Device Project and initially struggled with the responsibility. However, bonding with Perche over time helped her grow in confidence. Ami is fiercely protective of those she cares about, rushing to their aid without hesitation, Ami's Mjolnir is a powerful weapon, capable of dealing severe damage even in inexperienced hands.