Novel:
Engtl --> https://www.novelupdates.com/series/i-became-the-black-swan-mother-of-the-white-swan-princess/
Raw --> https://ridibooks.com/books/565027258
(Newtoki)https://booktoki333.com/novel/112884?stx=%EB%B0%B1%EC%A1%B0+%EA%B3%B5%EC%A3%BC%EB%8B%98%EC%9D%98+%ED%9D%91%EC%A1%B0+%EC%97%84%EB%A7%88%EA%B0%80+%EB%90%98%EC%97%88%EC%8A%B5%EB%8B%88%EB%8B%A4
NOT A PROMO ANYMORE
https://www.mangago.me/read-manga/villainess_maker_1/
I Became The Black Swan Mother of The White Swan Princess