Artist, illustrator, mangaka.
Japanese name: 津留崎 優 (Tsurusaki Yuu)
Old nickname: 羽鳥 にわとり or 羽鳥 二羽鳥 (Hatori Niwatori)
Circle & site names: 君の為なら死ねる or フライトチキン
Site name: ふらいとちきん
Old joint circle: Hoshiame
https://www.pixiv.net/users/15480
https://www.pixiv.net/users/12911835
https://www.pixiv.net/stacc/kotetu
https://www.pixiv.net/stacc/niwatori_sidem
https://twitter.com/hatori_niwatori
https://twitter.com/intent/user?user_id=23795188
https://m33kjnyk.fanbox.cc
https://www.pixiv.net/fanbox/creator/15480
https://sketch.pixiv.net/@kotetu
https://sketch.pixiv.net/@niwatori_sidem
https://www.tinami.com/creator/profile/15578
https://www.tinami.com/profile/93746
https://www.youtube.com/@つるさきゆう
https://www.youtube.com/channel/UCTDHrUNkOQpU131tZjA-KAA
https://www.mangaupdates.com/author/mjfc09a
https://www.mangaupdates.com/authors.html?id=16087
https://ja.wikipedia.org/wiki/津留崎優
https://www.animenewsnetwork.com/encyclopedia/people.php?id=158808
https://www.mobygames.com/person/1204339
https://myanimelist.net/people/33771
https://niwaniwa1211.wixsite.com/works
http://www.amazon.co.jp/s/field-keywords=津留崎優
http://c10024579.circle.ms/oc/CircleProfile.aspx
http://c10046082.circle.ms/oc/CircleProfile.aspx
http://theinterviews.jp/niwaniwa
http://twitpic.com/photos/hatori_niwatori
