URLs

• https://www.pixiv.net/users/78088
• https://www.pixiv.net/stacc/yuko_tukishima
• https://seiga.nicovideo.jp/user/illust/1188518
• https://www.nicovideo.jp/user/1188518
• https://sketch.pixiv.net/@yuko_tukishima
• http://mixi.jp/show_friend.pl?id=6365894
• http://mixi.jp/view_community.pl?id=2670705
• http://roritora.k-server.org
• https://www.pixiv.net/stacc/usapon