A reality turned into a fantasy among these 5 girls that happened during summer. They were friends in reality, and they have this strong bond with each other. Until one day, they met an accident, and was summoned to a fantasy world. For they have a mission. And mysteries yet to be discovered. In this world, they will meet and face problems that could make their friendship be destroyed. Would these girls be able to fight until the very end? Would they protect and be able to make their friendship even stronger? Or in that world, they will encounter the death of their friendship?