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I don't even understand what I don't understand anymore

The case when it's good that there's a description for the drama, from which you can at least vaguely guess what's going on here.😆

Why are there any pins sticking out of the wall in the laboratory? Is there no occupational safety or any safety checks in Korea?

Nothing is clear, but Seo Kang Joon is still the same cat.

I need moral compensation.
I don't even know what I don't understand
, but strangely enough it was really interesting and I waited for every episode.