Artist, professional illustrator.
Artist name: 小山 宗祐 (Koyama Sousuke)
https://www.pixiv.net/users/2261904
https://www.pixiv.net/stacc/Sousuke_Koyama
https://twitter.com/Sousuke_Koyama
https://twitter.com/intent/user?user_id=150631331
https://ask.fm/sousuke_koyama
https://www.facebook.com/sousuke.koyama
http://blog.livedoor.jp/samael88/
http://d.hatena.ne.jp/sousuke88/
http://f.hatena.ne.jp/sousuke88/
http://profile.hatena.ne.jp/sousuke88/
http://f.st-hatena.com/images/fotolife/s/sousuke88/
http://twitpic.com/photos/sousuke_koyama
http://yfrog.com/user/Sousuke_Koyama/photos
http://yfrog.com/user/sousuke_koyama/photos