I've Been Signing in at the Security Room for Thirty Years

Shen Yuan successfully activated the sign-in system, but suddenly felt something was wrong. This is actually the [Sign-in System]. As a salted fish gatekeeper, every time a student comes to check in, he will receive a reward. This... Who would like a doorman? As time passed, Shen Yuan found that things gradually became a little outrageous. Student A: "I think the expert lecturer's class is not as good as Brother Shen's." Student B: "I think the dean's cultivation is not enough to deter the demons. How about letting Brother Shen become the dean." Student C: "After seeing Brother Shen too much, I feel that the Yuanying old monster is nothing more than this." Student Ding: "Well... I have recently gained insights into the way of heaven. I feel that the way of heaven's understanding of spiritual practice is very weak. Otherwise..."