URLs

• https://www.pixiv.net/users/1412377
• https://www.pixiv.net/stacc/billow
• https://twitter.com/sm_mk3
• https://twitter.com/udon_umee
• https://twitter.com/intent/user?user_id=191481639
• https://twitter.com/intent/user?user_id=1100379200572116992
• https://somoyama.booth.pm
• https://sketch.pixiv.net/@billow
• https://mt-somo.tumblr.com
• http://twpf.jp/udon_umee
• http://clap.webclap.com/clap.php?id=yamaori