A dormitory climbing school that consists of junior high and high schools in the mountains of N prefecture. There was another No. 1 in this school with the No. 1 advancement rate from the University of Tokyo. That is the highest crime rate in the school. Kotobuki, who is in charge of the school police, starts a detective activity in the name of Maboroshi Panty to help her father.

Anno Domini, The Final Days of The Year 5001. Join the Kanto Ijigen Family on their bodacious adventure going where no Yakuza has gone before... SPACE!