Artist, designer, illustrator and mangaka. Creator of YAT Anshin! Uchuu Ryokou.
Pen-name: 西川 伸司 (Nishikawa Shinji)
Nickname / doujin artist name: MASH
Circle name: MASHBOX
Site name: MASH ROOM
https://www.pixiv.net/users/121972
https://www.pixiv.net/stacc/nishikawa-mash
https://twitter.com/MASH_nishikawa
https://twitter.com/intent/user?user_id=111269852
http://3daysboy.blog.fc2.com
http://www.dlsite.com/ecchi-eng/circle/profile/=/maker_id/RG04763.html
http://www.dlsite.com/eng/circle/profile/=/maker_id/RG04763.html
http://www.dlsite.com/home/circle/profile/=/maker_id/RG04763.html
http://www.dlsite.com/maniax/circle/profile/=/maker_id/RG04763.html
http://b.dlsite.net/RG04763/
http://www.mangaupdates.com/authors.html?id=11709
http://ja.wikipedia.org/wiki/西川伸司
https://www.animenewsnetwork.com/encyclopedia/people.php?id=25666
http://plus.google.com/114863118503339133730/posts
http://togetter.com/id/mash_nishikawa
http://openuser.auctions.yahoo.co.jp/jp/show/auctions?userID=nishin_2000&u=nishin_2000
http://p.twipple.jp/user/mash_nishikawa
http://twitpic.com/photos/mash_nishikawa
http://yfrog.com/user/mash_nishikawa/photos