URLs

• https://www.pixiv.net/users/531035
• https://www.pixiv.net/stacc/takahagi
• https://twitter.com/takahagi_k
• https://twitter.com/intent/user?user_id=124012876
• https://sketch.pixiv.net/@takahagi
• http://takahagi.blog.fc2.com
• http://ainokura.sakura.ne.jp
• http://p.twipple.jp/user/takahagi_k
• http://twitpic.com/photos/takahagi_k
• http://yfrog.com/user/takahagi_k/photos