An iDOLM@STER Cinderella Girls character in the Cool (Blue Diamond) category. Aki is an upbeat woman who loves everything military related: from the smallest combat knives to the largest naval warships. She has a massive collection of airsoft and replica guns, including several out of production airsoft weapons. Aki is very knowledgeable in the topics of wilderness survival and military tactics, and is also a crack shot with airsoft guns. She cares very deeply about military hardware and military history. She is voiced by Muranaka Tomo.