Artist, illustrator. The leader of his doujin circle Honey Label.
Goes under the name of Kuroki Mashiro (黒木ましろ) for his moe-themed art.
https://www.pixiv.net/users/766855
https://www.pixiv.net/users/3604604
https://www.pixiv.net/stacc/515m
https://www.pixiv.net/stacc/k_masiro
https://twitter.com/515M
https://twitter.com/K_masiro
https://twitter.com/intent/user?user_id=94955658
https://twitter.com/intent/user?user_id=349573141
https://515m.booth.pm
https://mashiron.booth.pm
https://seiga.nicovideo.jp/user/illust/16942075
http://com.nicovideo.jp/community/co1885414
https://www.nicovideo.jp/user/16942075
https://world-515m.fanbox.cc
https://www.pixiv.net/fanbox/creator/766855
https://sketch.pixiv.net/@515m
https://sketch.pixiv.net/@k_masiro
https://www.tinami.com/creator/profile/27950
http://kurokimasiro.blog.fc2.com
https://www.instagram.com/515m_world/
https://store.line.me/stickershop/author/7488
https://linktr.ee/515m_world
https://opensea.io/515M
https://opensea.io/collection/515m-world
https://j2m7s9km.fanbox.cc
http://515m.jimdo.com
http://honey-label.jimdo.com
http://u.jimdo.com/www13/o/s8192fa39a498ef4c/img/i41725dabce2a52db/1346653993/std/
http://theinterviews.jp/515m
http://twitpic.com/photos/515m
http://twitpic.com/photos/k_masiro
