[@Crimmy] Azuma is an [url=http://dic.nicovideo.jp/a/我妻]alternate reading[/url] of Wagatsuma (我妻), which is how Gasai (as in Gasai Yuno) is supposed to be read. Very roundabout logic on my part lmao. Aya I picked because it's a pretty name. So it's 我妻(あづま,Azuma,surname) 彩(あや,Aya,given name).