Male Japanese artist.
Name: カスガアユム (Kasuga Ayumu), also known as はるひぽ (Haruhipo)
Site: 妄想品質 -Delusion Quality-
https://www.pixiv.net/users/966039
https://www.pixiv.net/stacc/hipogurihu
https://sketch.pixiv.net/@hipogurihu
https://www.tinami.com/creator/profile/1324
http://haruhipo.blog.fc2.com
https://piapro.jp/kasuga
https://www.pixiv.net/users/90760
https://www.pixiv.net/stacc/kasugaayumu
