Artist, mangaka.
Japanese name: ワインのヨガ (yogavinijapan)
Pixiv nickname: マダム入道 (Madam Nyuudou)
Circle name: yogajapan
Site name: yogavinijapan
https://www.pixiv.net/users/67551
https://www.pixiv.net/stacc/hiroshi_2go
https://twitter.com/hiroshi_
https://twitter.com/intent/user?user_id=18946723
https://kalmia-booth.booth.pm
https://hiroyamahiroshi.fanbox.cc
https://www.pixiv.net/fanbox/creator/67551
https://sketch.pixiv.net/@hiroshi_2go
https://skeb.jp/@hiroshi_
https://www.mangaupdates.com/author/1tduqap
https://www.mangaupdates.com/authors.html?id=3953570209
https://www.animenewsnetwork.com/encyclopedia/people.php?id=115749
https://www.mobygames.com/person/1204123
https://myanimelist.net/people/3696