Artist.
Japanese name: 北屋 (Kitaya)
Site name: 古屋。(koya)
https://www.pixiv.net/users/265559
https://www.pixiv.net/users/59739282
https://www.pixiv.net/stacc/krrr
https://www.pixiv.net/stacc/user_sngt7545
https://twitter.com/kitayak
https://twitter.com/intent/user?user_id=111241543
https://sketch.pixiv.net/@krrr
http://mmisty.web.fc2.com
https://bsky.app/profile/kitayak.bsky.social
https://bsky.app/profile/did:plc:tamwiraubruqxcjlgxj7ggvk
http://twitpic.com/photos/kitayak