Finally available for purchase on Steam! Also, if you downloaded the itch version, I posted a patch there with some fixes!
https://store.steampowered.com/app/3236040/Blackthorn_Witch
https://bdoneart.itch.io/blackthorn-witch
https://www.patreon.com/BDOneArt
https://www.twitch.tv/bdoneart
https://www.youtube.com/@BDOneArt