URLs

• https://www.pixiv.net/users/263122
• https://www.pixiv.net/stacc/happy20
• https://twitter.com/hatsuka_
• https://twitter.com/intent/user?user_id=111321943
• https://sketch.pixiv.net/@happy20
• http://happy20.blog.fc2.com
• http://twitpic.com/photos/hatsuka_
• http://yfrog.com/user/hatsuka_/photos