There was once a high-tech robot which saved the earth from aliens. People have long forgotten how to operate this giant machine and it has been placed in an isolated ghost town. Professor Tachibana believes in the mobility of this machine and won't give up in finding a suitable pilot for the robot. However, one day, he finds out that the robot became the gathering space for eight middle school girls!

贵族学校圣阿尔特密斯女子学园，华贵骄傲的大小姐们自视甚高。平民女孩市立花（志田友美 饰）想尽办法进入这所梦寐以求的学府，可是身处其间备受歧视，只有外表冷峻的稻泽花（竹富圣花 饰）愿意出手帮她。某天放学后，老师要求学生尽快离校，但是市立花为了取手机返回教室，结果被原本还温文尔雅的青年男老师们抓了起来。当她再度醒来，发现自己和稻泽等同学被关在铁笼内，田筱老师要求女生们用手机参加名为“黄金之卵就职活动“，她们要按规则答题，一旦失误便将遭到无情屠杀。懵懂女孩命悬一线，最终能否逃出生天？ 本片根据女子组合私立恵比寿中学的同名歌曲改编。