Betrothed to My Sister's Ex (Light Novel) Vol. 3

FIRST COMES LOVE, THEN COMES MARR--NOT SO FAST!!Marie is now living a life she's only ever dreamed of. Thanks to the love of Kyros, the richest man in the kingdom, she's becoming stronger and more confident every day. And now that they're engaged, the lovebirds are ready to get married.But there's just one hitch: They haven't been granted permission! But why? Could it have something to do with the princess of the Dilts Kingdom, who wants Kyros for herself?