Extracurricular activity in junior-high / high school is common in Japan.
In China, there is no concept of "Extracurricular activity in junior-high / high school" and Chinese people grasp that it is a kind of fiction or fancy dream.
I was moved to hear the story with thinking "different culture".
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"School committee for discipline" often happens in Japanese comic and animation.
It is about to appear in love stories. I think that the opposition between "love" and "moral" amuses readers.
To tell you the truth, I thought "School committee for discipline" is a fiction
until yesterday.
I was very surprised to hear from my wife "it was existed".
By my narrow thought
"School committee for discipline"
↓
"Enforcement on personal privacy" by school
↓
"Restriction against freedom of expression by government"
↓
"Special political police in WW2"
The above funny sequences have been completed, and I have kept denying the existence of "School committee for discipline" unconsciously for a long time.
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But I kept crack down on student's free expressions (hair style, clothes, others) as a member of student government.
Now, I keep crack down on coworkers to enforce to company rules("5S", etc) as a member of safety and health committee.
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"A person who advocate free is a person of coercion" is in day-to-day situation.