URLs

• https://www.pixiv.net/users/117823
• https://www.pixiv.net/stacc/senai
• https://twitter.com/a_chi_ko
• https://twitter.com/intent/user?user_id=123131386
• https://sketch.pixiv.net/@senai
• http://senai.seesaa.net
• http://park7.wakwak.com/~spiel/souko.html
• http://twitpic.com/photos/a_chi_ko