The Lord of the Divine Realm, the Dragon Sovereign Alex Harper, has been secretly guarding Emilia Hawke for ten years, fulfilling a promise to his father. Emilia, eager to prove herself, takes a dangerous risk by challenging Rhygar of the North Border and almost loses her life. Alex steps in just in time to save her, but soon, Emilia is caught up in a series of escalating crises. To protect her, Alex secretly uses the power of the Divine Realm, resolving the dangers without revealing his true identity. In the end, to save Emilia, Alex is forced to expose his identity and return to the Divine Realm. To his surprise, Emilia becomes his personal disciple, and they are reunited once more.
