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://x.com/matsunashi7
https://x.com/i/user/1809073935776165890
https://seiga.nicovideo.jp/user/illust/87774379
https://pawoo.net/@egodance
https://bgiusa3h.fanbox.cc
https://www.pixiv.net/fanbox/creator/536099
https://sketch.pixiv.net/@egodance
https://misskey.io/@egodance
https://misskey.io/users/9hkzx0embv
https://privatter.net/u/egodance_7
https://bsky.app/profile/nanamatsu.bsky.social
https://bsky.app/profile/did:plc:cdezmcxb3uili3zvvu4fjsyh
https://x.com/ego_nanamatsu
https://x.com/egodance7matsu
https://x.com/egodance_7
https://x.com/egodance_7e
https://x.com/egodance_8
https://x.com/i/user/173091766
https://x.com/i/user/717266138036473856
https://x.com/i/user/717293017070051328
https://x.com/i/user/1447080475843956736
https://x.com/i/user/1758023367796707328
https://twiego.tumblr.com
https://ask.fm/egodance_7
http://www.amazon.co.jp/七松-建司/e/B00IPD3K0G
http://www.doujinshi.org/browse/author/4575
http://www.geocities.co.jp/Playtown-Yoyo/8044
http://homepage2.nifty.com/ulstar
http://twitpic.com/photos/egodance_7
