Artist.
Japanese name: さはら わたる or 砂原 渉 (Sahara Wataru)
Circle name: からきし傭兵団 真雅 (the other members: Kanenomori Sentarou, Hissatsu Chop and Mususuda-shiki)
https://www.pixiv.net/users/766192
https://www.pixiv.net/stacc/the-secret-of-bluewater
https://twitter.com/Wataru_Sahara
https://twitter.com/intent/user?user_id=376179408
https://saharawataru.fanbox.cc
https://www.pixiv.net/fanbox/creator/766192
https://sketch.pixiv.net/@the-secret-of-bluewater
http://doujinshi.mugimugi.org/browse/author/12399/Sunahara-Wataru/
