Artist.
Japanese name: はっとりまさき or ハットリ
Blog name: OTO
https://www.pixiv.net/users/49413
https://www.pixiv.net/stacc/junoct2000
https://twitter.com/hattori_oto
https://twitter.com/intent/user?user_id=146522372
https://seiga.nicovideo.jp/user/illust/672156
https://www.nicovideo.jp/user/672156
https://pawoo.net/@junoct2000
https://pawoo.net/web/accounts/166424
https://hattori.fanbox.cc
https://www.pixiv.net/fanbox/creator/49413
https://sketch.pixiv.net/@junoct2000
http://htroto.blog.fc2.com
http://twitpic.com/photos/hattori_oto
