URLs

• https://www.pixiv.net/users/225238
• https://www.pixiv.net/stacc/yy_02
• https://twitter.com/yuyitan
• https://twitter.com/intent/user?user_id=1300454352524439552
• http://blog.livedoor.jp/yuyi_yuyi/
• http://erogamescape.ddo.jp/~ap2/ero/toukei_kaiseki/creater.php?creater=2020
• http://twitpic.com/photos/Yuyitan