Artist. Formerly tagged as suwa_dango.
Japanese name: ざやく (Zayaku)
Old name: 坐団子 (Za-dango) (reading is a best guess)
https://www.pixiv.net/users/4364544
https://www.pixiv.net/stacc/zayakuzazai
https://twitter.com/zayakuzazai
https://twitter.com/intent/user?user_id=2664989509
https://pawoo.net/@zayaku
https://pawoo.net/web/accounts/33988
https://zayakuzazai.fanbox.cc
https://sketch.pixiv.net/@zayakuzazai
https://www.tinami.com/creator/profile/39327
http://twitcasting.tv/zayakuzazai
http://www.twitcasting.tv/zayakuzazai