After being defeated in battle, dragon slayer Leon was taken prisoner by the fearsome Silver Dragon Queen. Facing certain death, he cast a forbidden curse meant to bring her endless shame—his final act of defiance. But the curse didn’t work as expected. The queen lost control, and Leon believed he had fulfilled his duty as a dragon slayer. Two years later, Leon awakens… and lying beside him is a mysterious little dragon girl with a silver tail. What happened to the queen? And why is this dragon girl calling him “Papa”…?