Artist.

Japanese name: はっとりまさき or ハットリ
Blog name: OTO

See also

• Blog: http://mskhtr.blog.fc2.com/
• Pixiv account: https://www.pixiv.net/member.php?id=49413
• Twitter account: https://twitter.com/hattori_oto
• Nico Nico Douga account: https://www.nicovideo.jp/user/672156
• Nico Nico Seiga images: http://seiga.nicovideo.jp/user/illust/672156

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