Takako has been teaching paintings to Yu for ten years. One day, Yu's parents decide to discontinue her lessons. She informs Yu about his parents' decision. Yu confesses his feelings for her, which he's been harboring fo…

故事舞台设定在有严格等级制度，学生分为学生会长，学生会成员和亲卫队选民，以及平民三个等级的岚之丘学园，神秘转校生清水小百合却破坏了规矩，她不服从学生会，我行我素，与学生会发生冲突。