Energetic and cheerful senior student named Garam led peaceful school life (?), Until he met a cute guy named Lime. The problems began when Lime and his best friend Yui move to their school, and monsters begin to appear, and she is the only one who can see it. In addition, it turns out that the Lime-Powestworld Prince, who came to this world to find his missing girlfriend, which he does not even know. Over time, Lime begins to feel strangely around Garam ... and Garam feels the same, except that he went not to Lyima, but to Yui ... It begins as an ordinary school history of life, but becomes fantasy of the end of the middle.