某一夜、一位少女来到地球,他就是蒂亚拉。为了寻找夺取了魔法世界─Guardian World─的魔法之力来源的"约尔德王座"而逃亡至此的她过去的恋人─华月。但是见到华月时他身边却伴着她过去的情敌蕾娜。为了守护故乡而战的蒂亚拉、为了保卫恋人而战的蕾娜,两人之间激烈的魔法战斗开幕了......。In another dimension exists the Guardian World, a realm populated by people who wield magical powers. The source of power of the Guardian World is the Throne of Yord, an enchanted painting. When this painting is stolen and taken to Earth, Princess Tiara is sent to Earth to get the painting back. But a simple mission gets complicated by the fact that the painting was stolen by Tiara's former lover Kagetsu, and that the painting itself is manipulating events for some mysterious outcome.