Tanaka Tetsuro is excited at getting a full scholarship at a new high school, far away from his family. What he does not know is that he will be the only boy in an all girl school, and that there is a girl head-over-heels in love with him, waiting for his arrival. But his special friendship with the very cute and dynamic Asuka also causes him to get into a lot of trouble with the powerful student council leadership, as they are at open war with Asuka and her five friends, a group of super amazon warriors called the Koi Koi Seven.
出乎意料的是,仪式打开了一个平行的世界,他们进入了一个与日常生活完全不同的领域,从而打开了通往新世界的大门。
该系列改编自三本同名漫画,男主人公藤沼有一种特殊的能力。如果有人在他出现的地方附近死亡,时间会倒流到事故原因发生的那一刻。启蒙运动必须找到并改变它,才能拯救受害者;否则,时间将继续向后循环,直到确定原因为止。