The heroine tragically fell down the stairs of the school and became the twin sister of Seiichi Yukimura. The mischievous heroine liked to squeeze the little kelp in Yukimura's face, blackmail the piglet, blackmail Ninzu, tease the queen, and make Sanada work as a hard worker. The goddess loved her very much, and the queen fell in love with her at first sight and regarded her as a close friend. What interesting things will happen to the heroine who has the same face as the Son of God?