La reina que me desterró ahora está de rodillas

Demigod Kaelen sealed ancient sea monsters with his blood and put Lyra on Selia's throne, yet she banished him as a mortal. As the kingdom's barrier collapses, his hidden identities stun the continent—he crushes the knight who stole his divine core and wins Queen Seraphina's devotion. When monsters raze Selia, Lyra repents in the ruins, too late.