Artist, mangaka.
Name as a mangaka: 大石 まさる (Ooishi Masaru)
Name as an eromangaka: 夢ノ二 (Yumenoji)
Pixiv nickname: ラムチョップ (Rambchop)
Site name: 大石工画店
Old site name: ラムチョップグリル
https://www.pixiv.net/users/14930
https://www.pixiv.net/stacc/rambchop
https://twitter.com/OhishiMasaru
https://twitter.com/intent/user?user_id=1167941730034806788
https://sketch.pixiv.net/@rambchop
http://rambchop.h.fc2.com/ramb.html
http://www.doujinshi.org/browse/author/29521/Ohishi-Masaru/
http://www.mangaupdates.com/authors.html?id=2315
http://ja.wikipedia.org/wiki/大石まさる
http://jajamsama.blog.fc2.com