Sketch by user/789222 "»":[/artists?search%5Burl_matches%5D=https%3A%2F%2Fwww.pixiv.net%2Fusers%2F789222]
Line & Color by me

http://shunkaku.tumblr.com/post/137693712881/
https://www.patreon.com/posts/trails-in-sky-sc-4177753
http://shunkaku.deviantart.com/art/Trails-in-the-Sky-SC-Estelle-585632137