Ninomae Ina'nis's floating book, and also her stream moderator. Short for Ancient Ones. Takes the form of a tablet PC in her second outfit and a doujin in her seventh.

Her stream moderator is the same person as Enma-chan [1].

Not to be confused with hololive DEV_IS ReGLOSS member Hiodoshi Ao, who is commonly nicknamed "Ao-kun".

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