Artist. Formerly tagged as fixation.
Japanese name: にやすけ (Niyasuke) or やま (Yama)
https://www.pixiv.net/users/300306
https://www.pixiv.net/stacc/fixation
https://twitter.com/bn_ny0
https://twitter.com/intent/user?user_id=129116231
https://niyasuke.booth.pm
https://pawoo.net/@fixation
https://pawoo.net/web/accounts/192607
https://niyasuke.fanbox.cc
https://www.pixiv.net/fanbox/creator/300306
https://sketch.pixiv.net/@fixation
https://www.dlsite.com/maniax/fsr/=/keyword_creater/"にやすけ"
https://www.melonbooks.co.jp/search/search.php?name=%E3%81%AB%E3%82%84%E3%81%99%E3%81%91&text_type=author
https://ec.toranoana.jp/tora_r/ec/app/catalog/list?searchActorName=%E3%81%AB%E3%82%84%E3%81%99%E3%81%91
http://twpf.jp/bn_ny0
http://theinterviews.jp/niyasuke
http://p.twipple.jp/user/rl_z
http://twitpic.com/photos/rl_z