Male Japanese artist.
https://www.pixiv.net/users/18323769
https://www.pixiv.net/stacc/sinken_yamada
https://twitter.com/ekakiningen
https://twitter.com/intent/user?user_id=732097358889017344
https://fantia.jp/fanclubs/4919
https://fantia.jp/masaki
https://pawoo.net/@masaki4545
https://pawoo.net/web/accounts/187967
https://masaki.fanbox.cc
https://www.pixiv.net/fanbox/creator/18323769
https://sketch.pixiv.net/@bakunyu_sordman
https://skeb.jp/@ekakiningen
https://www.youtube.com/channel/UCAFeiGmni7vsDqGSSHUx5Aw
https://enty.jp/masaki
https://www.pixiv.net/stacc/bakunyu_sordman
https://www.pixiv.net/stacc/masaki4545
https://twitter.com/masayan_0204
https://twitter.com/monos_masaki
https://twitter.com/sinken_yamada
https://twitter.com/intent/user?user_id=4310250503
https://twitter.com/intent/user?user_id=917209139037663232
https://skeb.jp/@sinken_yamada
