URLs

• https://twitter.com/siddaisuke
• https://twitter.com/intent/user?user_id=112684116
• https://siddaisuke.tumblr.com
• http://www.amazon.co.jp/士土-大介/e/B004LW426Q/
• http://www.doujinshi.org/browse/author/6062/
• http://doujinshi.mugimugi.org/browse/author/6062/
• http://www001.upp.so-net.ne.jp/punishment/
• http://typepunishment.net