The "Useless" Twin and the Prince from the Neighboring Kingdom

In a world where only one Saint is born per generation, the birth of twin sistersHestia and Astreawas a miracle and a Hestia was hailed for her holy powers, Astreathe younger twinwas labeled useless and treated like an Hestia refuses a politically arranged marriage meeting, Astrea is forced to go in her things take an unexpected turn when she captures the attention of Silvert, the charming second prince of a neighboring kingdomand somehow ends up engaged!?