Irene is an orphaned girl who was taken in by the noble Duke Ashford’s household as an adopted daughter. However, she is never truly accepted by the family. From the duchess to the servants, even the maids treat her coldly and cruelly, as if she does not belong.At school, Irene is also bullied and isolated, while at home she is constantly mistreated and emotionally broken down by the duchess’s hostility. Her life becomes a cycle of rejection, where she has no place that feels like home.Unknown to everyone, Irene is actually the last surviving dragon bloodline. However, she has lost all memories of her true parents and her origin. A mysterious curse placed on her suppresses her identity and powers, causing her dragon nature and dark mana to remain hidden and unstable within her body.Zayn, the son of the Duke, initially dislikes Irene due to misunderstandings and prejudice within the household. He sees her as suspicious and out of place. However, over time, as he becomes more involved with her condition and witnesses her suffering and mysterious mana reactions, his feelings begin to change. What starts as curiosity and pity slowly develops into protectiveness, and eventually deep emotional attachment and love.As Irene’s hidden power begins to surface in dangerous ways, Zayn discovers that she is not simply cursed randomly. The curse tied to her is connected to the Dragon Clan, a nearly extinct race wiped out by humans due to fear of their overwhelming power.The shocking truth is that Irene’s own biological parents placed the curse on her. They did this not out of hatred, but as a desperate attempt to seal her overwhelming dragon power and protect her bloodline from being destroyed completely. By sealing her identity and memories, they hoped she would survive unnoticed among humans.Now, Irene stands at the center of a forgotten history, carrying a sealed dragon power inside her body, while Zayn becomes the only person who slowly starts to uncover the truth and protect her from the world that once tried to erase her kind.Their relationship develops from hostility and distance into a dangerous, emotional bond shaped by secrets, power, and fate.