Cheside traveled to a school where all the students were a bit strange... Only by completing the mysterious man's mission could she return home. A journey of redemption begins, but the heart-warming story hides a shocking conspiracy: Where did the students in this school come from? Who is the mysterious man who calls himself Lucifer? Did Cheside really travel through time? What on earth is there in the outside world?
Intention: The world is warm, you have to live hard!