The world-shaking “Phantom Thief Tonchinkan” has made a miraculous revival! Tonpu, Chinpei, and Kanko, who have all grown up as high school students, are still the greatest idiots in the universe! In addition to the familiar Dainihon Police Station's Poison Demon and Hatred Inspector, and Nukesaku-sensei's student, Tenchi-kun, a new supercomputer robot appears!!