A native of Japan on Manhome (Earth) who immigrates to Aqua (Mars) when she is 15 to become an undine. While initially not as skillful at rowing a gondola as Alice nor as familiar with the history of her adopted city as Aika, Akari makes friends quickly and easily converse with customers and other strangers. She is depicted as optimistic and cheerful, finding enjoyment in things or events that others think humdrum and mundane.