I traveled through hundreds of worlds at once

Ding~Dong~! Ding~Dong~!

At twelve o'clock noon, the clock on the central clock tower of the Royal Mechanical Academy of Walpurgis rang on time. A male teacher in the Mechanical Spells classroom heard the bell for the end of get out of class, put down the chalk in his hand on time, said casually that the class was over, and strode out of the classroom.

The students in the classroom stood up and prepared to go to the cafeteria for lunch. Yi Hui, who was sitting in the first row, also packed up his notes and walked out of the classroom with Agumon.

In the campus of the academy, there is a road running through the north and south. This large road is called the main street. It connects various lecture halls, eight dormitories and