Eromangaka. His name, 魔訶不思議 is often mistaken for 摩訶不思議.
Pen-name: 魔訶不思議 (Makafushigi or Maka Fushigi)
Blog name: ぬかるみの底の底
https://www.pixiv.net/users/26710092
https://www.pixiv.net/stacc/maka_fusigi
https://twitter.com/maka_fusigi2
https://twitter.com/maka_fusigiH
https://fantia.jp/fanclubs/2658
https://pawoo.net/@maka_fusigi
https://maka-fusigi.fanbox.cc
https://www.pixiv.net/fanbox/creator/26710092
https://misskey.io/@maka_fusigi
https://misskey.io/users/9n5vwm9d2olv0a9f
https://www.facebook.com/fusigi.maka
http://www.amazon.co.jp/魔訶不思議/e/B004LQRBD8/
http://ja.wikipedia.org/wiki/魔訶不思議
http://r18.mangaz.com/title/index/query:魔訶不思議
http://r18.mangaz.com/title/index?query=魔訶不思議
https://mstdn.jp/@maka_fusigi
https://twitter.com/maka_fusigi
https://twitter.com/intent/user?user_id=107250875
https://pawoo.net/web/accounts/1891
https://pawoo.net/web/accounts/16831
https://pawoo.net/web/accounts/201755
http://twitpic.com/photos/maka_fusigi
