- ao3: https://archiveofourown.org/users/hatsuna
- kofi: https://ko-fi.com/hatsuna
- tellonym: https://tellonym.me/hahahatsuna
- tumblr (inactive unless the bird app truly goes under): https://www.tumblr.com/hahahatsuna
- twitter: https://twitter.com/hahahatsuna
aug 13 2020 ∞
feb 21 2025 +
feb 21 2025 +