Hi!! I recently stumbled upon “Images” by Chiki Ooya and I ADORED IT (it was all I was looking for in a piece of art, it really stuck with me) and then read her other manga that is available online (Candy to Choco bon bon; Snow Maidens) and I was wondering if you knew where to find others of hers? I know she stopped making manga to become an illustrator, but did she ever write other manga? Is the lack of stuff by her due to a lack of translation?
Her art is exquisite indeed. Sadly, her works are not digitalized (except for Kaiten Mokuba which is only available on cmoa, which will not take my gaijin credit card, grrr). As a result, you will have to hunt down her books in print, which are very likely already out of print. That's why I'm not sure if all of her published works are collected in volumes. You can see a little list of her published volumes here, but I'm not sure if that list is exhaustive. Apparently, she even worked for the kashihon market, so there might be more.
Your best bet is to check sites like Mandarake, Surugaya, Mercari, YAJ, Kosho etc. to get your second-hand copies to read more of her.