 The entire royal house of Antoweif was exterminated for treason against the king; Sei-Ann is the only one who survived the massacre, and consequently loses her memories prior to the Countess taking her in.Eventually, she regains her memories and reclaims her rightful place as the heiress of the Antoweif family, aided by Prince Joon.In chapter 20 after Sei-Ann proposes to Shion, the Queen comes with the guards to arrest Sei-Ann because of a fake marriage.