"You are my mate." This is the kingdom of Avilikuta, where dragons and humans coexist. The dragons, who have supported the country's development behind the scenes, are an honorable race with power and wisdom far surpassing that of humans. Guided by instinct, they have a destined partner, a "fated mate." This bond is not based on logic, but on a soul-to-soul bond, a bond that is destined only for dragons. Emily, a former maid to the princess, was about to leave the royal palace and start a new life. Then, before her, appeared Elvio, a dragon known as the cold-hearted assistant to the prime minister. For some reason, this man, feared by all, smiled gently at Emily and bared his fangs on the back of his hand—a sign of his courtship and his choice as her mate. His strange kindness, his one-sided affection—is it his true feelings, or is there something ulterior motive? Confused, Emily gradually begins to realize. Residing in his eyes is something deeper and more profound than love - a "fateful bond" between different races, filled with misunderstandings and mysteries