Artist, eromangaka. Foremerly tagged as onakasuitao!
Japanese name: おなぱん (Onapan)
Old names: おなたん (Onatan) or ｵﾅｶｽｲﾀｵ! (Onakasuitao!)
Circle name: あなたはお腹がすいている (Anata wa Onaka ga Suite Iru)
https://www.pixiv.net/users/3912537
https://www.pixiv.net/stacc/hungrypanties
https://twitter.com/hungrypanties
https://twitter.com/intent/user?user_id=3494671700
https://seiga.nicovideo.jp/user/illust/35468475
https://www.nicovideo.jp/user/35468475
https://sketch.pixiv.net/@hungrypanties
http://www.amazon.co.jp/s/?search-alias=books&field-author=おなぱん
http://portal.circle.ms/Circle/Index/10374847
http://www.dlsite.com/books/fsr/=/keyword_maker_name/おなぱん+AJ015985/from/work.author
http://enty.jp/hungrypanties
https://www.pixiv.net/stacc/anitama4343
