In the frigid apocalypse, Nicole exhausted resources to nurture the fire wolf Rufus, only to be betrayed by him and ultimately killed by her sister Melissa. Returning to the contract day at St. West Noble Academy, both her sister and the fire wolf, carrying memories of their past lives, eagerly chose each other. Nicole no longer competed, instead contracting with the snow python Seville, whom no one else favored.
Despite facing ridicule from classmates, favoritism from her parents, and provocation from her younger sister, Nicole persists in her choices. Utilizing her past life's experiences, she participates in trials and accumulates crystals, enhancing her own strength while nurturing Seville. Seville, initially a clingy little snow python, gradually grows into a stable human form, a partner capable of fighting alongside her. Daily care and life-or-death protection deepen their love.
As temperatures plummeted, fire became a vital survival resource. Nicole and Seville successfully obtained the Mother Flame, but Melissa and Rufus suffered repeated setbacks in their struggle for resources and power, causing their relationship to crack amidst concealment and resentment.
The Gray Ravens invade the academy, and the calamity of the past strikes once more. Nicole volunteers to plan the defenses, leading the students to uncover the deception, recapture their stronghold, and ultimately, together with Seville, destroy the Frost Crystal Cannon, protecting the academy. Melissa and Rufus, seeking self-preservation, defect to the enemy, only to die from each other's betrayal. After the war, Nicole accepts Seville's proposal, and together they embark on a new life.
