Artist, mangaka. Often draws shota.
Japanese name: 七松 建司 (Nanamatsu Kenji)
Old name: 藤馬 建司
Circle & site name: EGO DANCE
https://www.pixiv.net/users/536099
https://www.pixiv.net/stacc/egodance
https://twitter.com/matsunashi7
https://twitter.com/intent/user?user_id=1758023367796707328
https://seiga.nicovideo.jp/user/illust/87774379
https://pawoo.net/@egodance
https://bgiusa3h.fanbox.cc
https://sketch.pixiv.net/@egodance
https://misskey.io/@egodance
https://misskey.io/users/9hkzx0embv
https://ask.fm/egodance_7
http://privatter.net/u/egodance_7
http://www.doujinshi.org/browse/author/4575/
https://twitter.com/ego_nanamatsu
https://twitter.com/egodance7matsu
https://twitter.com/egodance_7
https://twitter.com/egodance_7e
https://twitter.com/egodance_8
https://twitter.com/intent/user?user_id=173091766
https://twitter.com/intent/user?user_id=717266138036473856
https://twitter.com/intent/user?user_id=717293017070051328
https://twitter.com/intent/user?user_id=1447080475843956736
https://twiego.tumblr.com
http://www.amazon.co.jp/%E4%B8%83%E6%9D%BE-%E5%BB%BA%E5%8F%B8/e/B00IPD3K0G/
http://www.geocities.co.jp/Playtown-Yoyo/8044/
http://twitpic.com/photos/egodance_7
