Artist, mangaka.
Japanese name: ゆうき 刹那 (Yuuki Setsuna)
Circle & site name: 蒼猫館 (Aonekokan)
https://www.pixiv.net/users/437684
https://www.pixiv.net/stacc/aonekokan
https://x.com/setsuna_138
https://x.com/setsuna_727
https://x.com/i/user/131492404
https://x.com/i/user/538147441
https://sketch.pixiv.net/@aonekokan
http://aonekoblkan.web.fc2.com
http://ichimiyadoumei.web.fc2.com
http://homepage2.nifty.com/aonekokan/
http://p.twipple.jp/user/setsuna_138
http://twitpic.com/photos/setsuna_727