When an office worker reincarnates as Everia Oberon, the antagonist of a romance novel fated for a dark path and untimely demise, she opts for a peaceful existence in the countryside to avoid the expected turmoil. Settling in a cold area abundant with fire-resistant wood, Everia seeks the aid of the archmage Theoharis to bring warmth to her abode using his azure flames... unaware of the enduring pact she's inadvertently sealed. As the new guardian of a ferocious yet strikingly handsome demon canine, will she bid farewell to her tranquil days for good?