URLs

• https://www.pixiv.net/users/77566
• https://www.pixiv.net/stacc/kureaninotuki
• https://twitter.com/the_empty_air
• https://twitter.com/intent/user?user_id=109075843
• https://sketch.pixiv.net/@kureaninotuki
• http://theemptyair.web.fc2.com
• http://twitpic.com/photos/the_empty_air