Book 1 on Chamber Festival

One day, Zhuge Nao accidentally transformed the laser pointer into a smaller laser pointer, which made him very happy. Because he can make the teacher smaller by making the laser pointer smaller. After the teacher becomes smaller, the students can be "liberated". However, Zhuge Nao accidentally made everyone smaller with a shrinking laser pointer. From then on, they became villains and lived in a villain world. So, can they change back to their original form?