The warm-hearted academic master Minghai heals the fallen angel Lishan.
Small theater:
Lishan: Minghai, you'd better stay away from me. People who play with me always get hurt.
Minghai: It's okay, I'm not afraid.
Lishan: Aren't you afraid? Then why did you suddenly faint just now?
Minghai: I'll get hurt even if I'm far away from you, silly boy.
Lishan: Why are you changing the subject?
Minghai: Ahem, I want to know more about post-traumatic stress disorder, thank you.
Lishan: Where are you injured? Um? Let me see.
Minghai:......
Three months ago
Minghai: Lishan, please do this question.
Li Shan: I won't do it, whoever wants to do it can do it.
Three months later
Minghai: Lishan, come here and see if you can do this question.
Lishan: Oh, I've done it eight hundred times. Is there any fresh one?
Concept: A story about two boys growing up together.