"There was a random page from some doujin circulating 2chan's guro board, and later on /g/ here at gurochan, featuring an owl with the evil eye. It started flying over some city, and everyone therein died horribly. Toshiaki apparently liked it so much he reincarnated the thing as one of the Nijiura maids. Thus was born Yabai, with her wing-arms and constantly bleeding eyes."
- Taken from a thread at gurochan about the maids. I've never seen that mentioned anywhere else, but at the same time it's also the only explanation I've ever read for her. Seems reasonable enough.
Poliwag said: "There was a random page from some doujin circulating 2chan's guro board, and later on /g/ here at gurochan, featuring an owl with the evil eye. It started flying over some city, and everyone therein died horribly. Toshiaki apparently liked it so much he reincarnated the thing as one of the Nijiura maids. Thus was born Yabai, with her wing-arms and constantly bleeding eyes."
- Taken from a thread at gurochan about the maids. I've never seen that mentioned anywhere else, but at the same time it's also the only explanation I've ever read for her. Seems reasonable enough.
Everything is correct except that the original "owl with evil eyes" inspiration 邪眼は月輪に飛ぶ was not a doujin, but a weekly serial that was later published as tankoubon.