故事发生在一间名为达利亚学园的寄宿学校之中,这所学校矗立在孤岛之上,绝非外人轻易能够抵达。达利亚学园分为两派——东和国派与西众公国派,实际上,这两个国家之间正在进行战争,因此,两国的学生就读在同一所学院之中,气氛可谓是十分的紧张。 东和国的学生与西众公国的学生都有着他们专属的公寓,而犬冢露壬雄(小野友树 配音)和朱丽叶(茅野爱衣 配音)分别是两个国家学生之中的两名领袖人物。然而所有人都不知道的是,这两个人表面身份敌对剑拔弩张,实际上却是秘密恋爱的地下情侣,这一层关系一旦被别人知道,整个学校就将陷入混乱之中。"To Love, or not to Love" Juliet Percia and Inuzuka Romio are archenemies. They lead two high-school dormitories the "Black Dogs" and the "White Cats" from two rivaling countries. Both factions are dead set on defeating the other to gain control over the island they have to share. Beneath the feuding exterior, however, Percia and Inuzuka long for love and peace for their budding relationship.