URLs

• https://www.pixiv.net/users/5254
• https://www.pixiv.net/stacc/tsu-na
• https://twitter.com/natsume27
• https://twitter.com/intent/user?user_id=19603709
• https://sketch.pixiv.net/@tsu-na
• http://www.doujinshi.org/browse/author/73620/Natsume-Kei/
• http://twitpic.com/photos/natsume27