Artist.
Japanese name: さりな (Sarina, the artist uses this spelling: "Salina")
Old name: るちあ (Ruchia)
https://www.pixiv.net/users/3228217
https://www.pixiv.net/stacc/jumpsari
https://twitter.com/jump_sari
https://twitter.com/intent/user?user_id=1418044525
https://jump-sari.booth.pm
https://pawoo.net/@tosiyukiryousuke
https://pawoo.net/web/accounts/395886
https://v66q5jm8.fanbox.cc
https://sketch.pixiv.net/@jumpsari
https://skeb.jp/@jump_sari
https://www.pixiv.net/stacc/tosiyukiryousuke