![1boy 1girl alternate_costume comic detached_sleeves fuukadia_(narcolepsy) greyscale hat japanese_clothes kimono kourindou_tengu_costume monochrome obi sash shameimaru_aya short_hair tokin_hat touhou translated rating:s score:1 post #1882314](/cdn_image/preview/fa/33/fa3366f0a8b4f0e6f69443f777a08720.jpg)
Japanese title: 悠久からの追憶
Seems to be a Pixiv manga adaptation of post #1600427 (which is a doujin light novel.)
Sample of the original light novel can be read here:http://www.pixiv.net/novel/show.php?id=3186842
Series largely revolves around Aya and her relationships with Hieda no Amu and Hieda no Ashichi.
Eventually released on C86 and C87.