In a distant future where humanity is divided between the Regulars, Familiars, and Aventis, a young girl living in the gargantuan space colony of Pharos attends her first year of high school at a prestigous academy. There she trains to master her Remnant, and to compete against other Familiars like her in the brutal tournments known as the Summer and Winter Fiestas held between the five Aventis Academies of Pharos.

After a year of hard training learning to wield her Remnant, Caprice Steiner afil Lanfear enters Galatea Academy, a prestigous school for the Aventis and Familiars, and by her own hand she runs into trouble on her first day. Encountering an uncouth perverted high schooler by the name of Caelum Desanto, who saves her from a situation with her family, Caprice finds it a mixed blessing as she meets new classmates and learns that Galatea Academy will be taking part in the year's Summer and Winter Fiestas, where Familiars like her wield their Remnants and represent their schools in battle.

Thus begins a new chapter in her journey to master and unlock her Remnant, an ancient weapon handed down to her from mother, and one that played a pivotal role in the victory of the Aventis over humanity more than two centuries ago.

An extensive re-imagining of the original Pride x Familiar, and Pride x Familiar ReVamp, and written as a light-novel.