URLs

• https://www.pixiv.net/users/339573
• https://www.pixiv.net/stacc/yuuya-k
• https://twitter.com/yuuya_pon
• https://twitter.com/intent/user?user_id=241545792
• https://sketch.pixiv.net/@yuuya-k
• https://www.tinami.com/creator/profile/9137
• http://pyuuya.blog.fc2.com
• http://piapro.jp/yuuya24
• https://twitter.com/yuuyapon
• http://p.twipple.jp/user/yuuyapon
• http://yfrog.com/user/yuuyapon/photos