The System: The Principal Has Arrived

Liu Meng couldn't make it out in the world, so he earned a teaching certificate and returned to his hometown to become a teacher. Six months later, only two students remained at the school. The old principal patted Liu Meng on the shoulder and said, "Young man, I'll hand the principal's position over to you. I have high hopes for you!"

Liu Meng thought it would be hard to find a girlfriend while stuck at this village school, and he really wanted to leave.

But

"Principal System test in progress. Binding requirements: Host, your backup must obtain the principal's position within 24 hours! Otherwise, the relevant memories will be erased, and you will be left with a disability somewhere on your body!"