The young noblewoman was told by the prince that their engagement was broken off, claiming he had awakened to true love. So she quietly placed a companion (mate) beside the prince.

"The noblewoman whose engagement was broken off by the prince who claimed to have awakened to true love. I quietly placed a 'fated pair' next to the prince." Sofia, a margrave's daughter from the borderlands, is the protagonist who was told of her engagement cancellation. The prince's new love interest, whom he claims to have found true love with, is his half-sister Charlotte. I quietly placed the prince's fated partner—his 'pair'—right beside him.