Princess Aaru is a supporting character in Neptunia x SENRAN KAGURA: Ninja Wars. She is the ruler of the Virtue Nation and a close friend of Yuuki.
Aaru has long brown hair styled with colorful floral hairpins and dark eyes. Her outfit consists of a blue kimono with floral patterns, a black obi tied with dark blue string, fingerless gloves and a pleated skirt with flower patterns. She wears frilled leg warmers from the knees down tied with string, and a pair of blue-laced sandals worn with white socks.
- She gets really excited when she sees Yuuki.