Victoria Drake - The Girl Who Would Be King

https://chyoa.com/chapter/VICTORIA-DRAKE---The-Girl-Who-Would-Be-King-%5BMODEL%3A-Anya-Taylor-Joy%5D.1801419

Meet Victoria Drake, a seemingly ordinary English girl of peasant blood currently studying at the University of Cambridge who all her life has been plagued by these weird dreams.

She finally figures out what the dreams mean when on her 18th birthday, Victoria discovers that she is the reincarnation of KING ARTHUR! who is prophesied to return during England's hour of need. And that hour has arrived!