URLs

• https://www.pixiv.net/users/7298975
• https://www.pixiv.net/stacc/tetrawnd
• http://blog.livedoor.jp/tetrawind/
• http://sir.ath.cx/qw/
• https://www.pixiv.net/users/272475
• https://www.pixiv.net/stacc/tetrawind
• https://twitter.com/endouchihiro
• https://twitter.com/endousunfield11