URLs

• https://www.pixiv.net/users/1720439
• https://www.pixiv.net/stacc/natuki_yuka
• https://twitter.com/natuki_yuka
• https://twitter.com/natukiyuka
• https://twitter.com/intent/user?user_id=3327403550
• https://twitter.com/intent/user?user_id=3998472432
• https://sketch.pixiv.net/@natuki_yuka
• http://sangesou.seesaa.net
• https://www.pixiv.net/stacc/tyuka718
• http://twitpic.com/photos/natukiyuka