Kon’yaku Haki Suru Kawari ni,-ka to wa en o Kira Sete Itadakimasu

The daughter of Duke Senette, Lucia Sennete, engaged to the second prince, Randall, was having her engagement annulled at the Royal Magic Academy’s graduation commemoration party.

Lucia was condemned with the sin of bullying her step-sister and was thus expelled from the Ducal Household… No she is the one who is going to abandon them. This girl is holding a secret that none of them know….