This is a sad story... The trio of Shang Xiangying traveled from the world of reincarnation to an unknown world because of a blackboard. What? What is high school? Blackboard you've had enough! At the same time, friends from the original world are also searching for their traces... And the Demon Temple is about to move... What will happen? So the high school life of a handsome boy, a beautiful boy, a shota and a blackboard (dense fog) begins...