URLs

• https://www.pixiv.net/users/130889
• https://www.pixiv.net/stacc/keiichisennsei
• https://twitter.com/keiichisennsei
• https://twitter.com/intent/user?user_id=54060558
• https://pawoo.net/@keiichi_tanaka
• https://keiichisennsei.fanbox.cc
• https://www.pixiv.net/fanbox/creator/130889
• https://sketch.pixiv.net/@keiichisennsei
• https://www.facebook.com/keiichisennsei
• http://www.amazon.co.jp/田中-圭一/e/B004L9PS7Q
• http://portal.circle.ms/Circle/Index/10283360
• http://webcatalog.circle.ms/Perma/Circle/10283360
• http://www.mangaupdates.com/authors.html?id=4914
• http://ja.wikipedia.org/wiki/田中圭一_(漫画家)
• https://ameblo.jp/minarinoseishun
• http://www.chichibuyama.com/tanaka.html
• https://line.me/R/ti/p/@cec7480p
• https://note.com/keiichisennsei
• https://tg02iq62.fanbox.cc
• http://p.twipple.jp/user/keiichisennsei
• http://twitpic.com/photos/keiichisennsei