Artist.
Japanese name: わちを (Wachiwo, Wachio or Waty'o)
https://www.pixiv.net/users/2677057
https://www.pixiv.net/stacc/wachiwo
https://twitter.com/pixiv_wachiwo
https://twitter.com/wachiwo_sub
https://twitter.com/intent/user?user_id=994848945942749185
https://twitter.com/intent/user?user_id=1417765101705129987
https://fantia.jp/fanclubs/22006
https://fantia.jp/wachiwo
https://wachiwo.fanbox.cc
https://www.pixiv.net/fanbox/creator/2677057
https://www.pixiv.net/stacc/watyo718
https://sketch.pixiv.net/@watyo718