Unremarkably ordinary middle schoolers, Pyontaro, Hiroshi and Tsubame, wander into an extraordinary adventure when Pyontaro's little sister goes missing.

In the town of Most City, a publishing house resides in the second story of an old building. The staff prints a monthly science magazine about the most shocking phenomena that even scientists find impossible. The handsome editor-in-chief, Taro, is assisted by grade-schooler Jiro and his dog, Saburo. But when scientist Goro Sato seeks their help, it sparks the beginning of a bizarre new tale...