Rion Aida is Aika Sumeragi's 18 year old salvaging Partner and the Daughter of Gozo Aida, Aika's boss. Although at times she just appears to get on Aika's nerves, Aika has been shown to care about her very much, as shown when she risked her life to save her from the Delmo Corps.


Rion has the appearance of an 18 year old girl, with chesnut brown hair, which is almost shoulder length, glasses, and, like many other females in the series, has medium breasts. She wears a yellow tank top over a white, buttoned, collared shirt, a green skirt, white panties, and red high heels.

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