Artist, mangaka, an illustrator working for the Monthly Radio Life published by SansaiBooks.
Japanese name: 横山 公一 (Yokoyama Kouichi)
Circles name: ヨコヤマほあん庁 or 犬日本子戻出版
Blog name: むせん部☆部室 (Clubroom of The Asajo Amateur Radio Club)
https://www.pixiv.net/users/359140
https://www.pixiv.net/stacc/norikocyan
https://twitter.com/YokoyamaKouichi
https://twitter.com/intent/user?user_id=111588132
https://pawoo.net/@norikocyan
https://pawoo.net/web/accounts/165884
https://musenbu.fanbox.cc
https://www.pixiv.net/fanbox/creator/359140
https://sketch.pixiv.net/@norikocyan
https://webcatalog-free.circle.ms/Circle/13907857
http://www.geocities.jp/musen_bu/
http://d.hatena.ne.jp/I-com17/
http://f.hatena.ne.jp/I-com17/
https://www.pixiv.net/stacc/vc2870tr
http://p.twipple.jp/user/YokoyamaKouichi
http://twitpic.com/photos/YokoyamaKouichi
