Artist.
Japanese name: はんぺん (Hanpen)
Old name: ひげぴよ (Higepiyo) or piyo
https://www.pixiv.net/users/1813582
https://www.pixiv.net/stacc/yamamohanpen
https://twitter.com/hanpen_pn
https://twitter.com/yamamorihanpen
https://twitter.com/intent/user?user_id=923456858
https://twitter.com/intent/user?user_id=1048341970098089985
https://yamamohanpen.tumblr.com
https://ameblo.jp/yellowchick
http://twpf.jp/hanpen_hn
https://www.pixiv.net/stacc/gyliviutcfduyjbhl
https://twitter.com/hanpen_hn
http://twitpic.com/photos/higepiyo0203
