Artist.
光野 could be read a number of ways, but the correct reading is "Kouno" according to home page.
https://www.pixiv.net/users/24259
https://www.pixiv.net/stacc/cono
https://twitter.com/hikaru_cono
https://twitter.com/intent/user?user_id=117274388
https://fantia.jp/akemiho
https://fantia.jp/fanclubs/1693
https://seiga.nicovideo.jp/user/illust/177303
https://www.nicovideo.jp/user/177303
https://hikaru.fanbox.cc
https://www.pixiv.net/fanbox/creator/24259
https://sketch.pixiv.net/@cono
https://www.tinami.com/creator/profile/27520
http://htis.sakura.ne.jp
https://enty.jp/akemiho
http://twitpic.com/photos/hikaru_cono