Mangaka.
Japanese name: 大久保 篤 (Ohkubo Atsushi; pronounced Ookubo Atsushi)
https://twitter.com/Atsushi_Ohkubo
https://twitter.com/intent/user?user_id=104869108
https://www.amazon.co.jp/-/e/B003UWPGBS/
http://www.doujinshi.org/browse/author/29723/Ookubo-Atsushi/
https://www.mangaupdates.com/authors.html?id=356
https://en.wikipedia.org/wiki/Atsushi_Ōkubo
https://ja.wikipedia.org/wiki/大久保篤
https://www.animenewsnetwork.com/encyclopedia/people.php?id=68851
http://souleater.wikia.com/wiki/Atsushi_Ōkubo
https://ameblo.jp/atsushi-ohkubo
