Patty、Porpor、Lemonade、Hui组成4位年轻偶像男团SecretDream的粉丝后援会。SecretDream成员有Andy、Summer、Jen和最可爱老幺成员Nanai。NaNai的假新闻散布在推特世界，黑粉声称他以前在高中欺负过别人！不可能！因为他勤奋而且能力无处…

After getting dropped from an elite program, a student gets tangled in the affairs of a high school gang while trying to find her own identity.

讲述两个姐妹因爱情与命运捆绑在一起，为了不让“妹妹”被猎魔族群攻击，姐姐必须用一生伪装姐妹俩身份并且随时要保护“妹妹”。