Loris faces pressure from her family as her mother threatens to strip her of inheritance rights if she fails tonight's demon-taming exam, handing the title to her half-sister Winona. Neglected and ranked lowest in demon-taming, Loris knows this trial is a critical 'death-flag' moment. To survive, she plans to first save her strongest demon attendant. Meanwhile, the brutal world of demon taming is revealed, where female masters control male demons for power. In a tense confrontation, Loris encounters Agade, a deadly serpent demon and her most dangerous attendant who clearly wants her dead, raising the stakes for the exam.