URLs

• https://www.pixiv.net/users/161805
• https://www.pixiv.net/stacc/koto_y
• https://twitter.com/YK_RRR
• https://twitter.com/koto_kk
• https://twitter.com/uyngnyu
• https://twitter.com/intent/user?user_id=407783007
• https://twitter.com/intent/user?user_id=2439200495
• https://twitter.com/intent/user?user_id=4650040152
• https://sketch.pixiv.net/@koto_y
• http://sky.geocities.jp/sss_kys/
• http://theinterviews.jp/ks5ks
• http://p.twipple.jp/user/koto_kk
• http://twitpic.com/photos/koto_kk