URLs

• https://www.pixiv.net/users/18321504
• https://www.pixiv.net/stacc/nu_kazuke
• http://twpf.jp/nu_kazuke
• http://clap.webclap.com/clap.php?id=nu_kazuke
• https://twitter.com/nu_kazuke
• https://twitter.com/intent/user?user_id=3162167682