Artist.
Japanese name: つぶ樹 (Tsubuki)
Circle name: つぶ木荘 (Tsubuki-sou)
https://www.pixiv.net/users/900219
https://www.pixiv.net/stacc/tbk-pix4
https://twitter.com/tbk_pix4
https://twitter.com/intent/user?user_id=176352381
https://nijie.info/members.php?id=21234
https://fvv43fja.fanbox.cc
https://www.pixiv.net/fanbox/creator/900219
https://sketch.pixiv.net/@tbk-pix4
http://www.dlsite.com/ecchi-eng/circle/profile/=/maker_id/RG19778.html
http://www.dlsite.com/maniax/circle/profile/=/maker_id/RG19778.html
http://b.dlsite.net/RG19778
https://www.pixiv.net/stacc/ron-bb69
