Twin sisters Mizeria and Clarissa Rezelput are Harmonizers, able to manipulate the harmonies that exist in all living things.

Confined to a locked garden, they have been raised by their guardian Rikhter Eintetta, trained and guided by his nurturing hand.

The girls eagerly await their 16th birthday, practicing for their coming of age ceremony, when they will finally be recognized as true Harmonizers.

However, when dark forces interfere during the ceremony, not only are Mizeria's dreams of freedom are destroyed and her sister kidnapped by turned-traitor Rikhter - the fate of the entire world is now at stake.

[3][4] The manga was also licensed in France by Soleil,[5][6] in Finland by Pauna Media Group, in Hungary by Mangattack,[7] in Czech Republic as Dveře chaosu by Zoner Press[8] in Russia as Двери Хаоса by Eksmo & Comix-ART,[9] and in Brazil by NewPop.