After being discovered to be a threat when a Fiérré, a creature known to hunt down threats only, Ceci Perez's life changes drastically as she's shipped off to Mysia High International. Mysia High International, a school for mythical creatures from various countries and cities is one where mythical creatures train their powers, and eventually grow to defend their world. Here, Ceci discovers why she, despite being a mortal, is a threat, and falls hard for the mysterious twin brothers, who hold secrets as well as all her new roommates. Danger calls, and she has to defend the mystical world from the chaos she herself brings to it. It becomes a fierce battle between love, war, and accepting who she really is.