Artist.
Japanese name: 音速犬 (Onsoku Inu)
Old name: 音速丸 (Onsoku maru)
https://twitter.com/onsoku_inu
https://twitter.com/intent/user?user_id=1965179509
https://seiga.nicovideo.jp/user/illust/494168
https://www.nicovideo.jp/user/494168
https://pawoo.net/@3secondsrule
https://pawoo.net/web/accounts/163856
https://marshmallow-qa.com/onsoku_inu
https://www.pixiv.net/users/701809
https://www.pixiv.net/stacc/onsoku_inu
https://sketch.pixiv.net/@onsoku_inu