Artist.
Japanese name: 元永 尋也 (Motonaga Hiroya) (reading is a best guess)
Circle name: 月世界 (Getsusekai)
https://www.pixiv.net/users/21788
https://www.pixiv.net/stacc/motonaga
https://twitter.com/getsusekai09r
https://twitter.com/intent/user?user_id=1126835481574903808
https://seiga.nicovideo.jp/manga/list?user_id=28715713
https://seiga.nicovideo.jp/user/illust/28715713
https://www.nicovideo.jp/user/28715713
https://sketch.pixiv.net/@motonaga
https://www.tinami.com/creator/profile/41786
http://getsusekai.blog.fc2.com
http://www.dlsite.com/maniax/circle/profile/=/maker_id/RG30341.html
http://b.dlsite.net/RG30341/
http://www.doujinshi.org/browse/circle/22473/
