Responses
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No, he remembered that the doctor came to talk to him while looking pretty anxious. But he ended up not telling anything. So servant Kim probably decided to go and pressure him to talk. That's why he left so late and surprised the servant ladies. The doctor most likely saw or heard something. SH also noticed the dark marks on NK wrist. He ignored them out of anger but when Kim will come back with part of the truth he will confront NK with it and will finally understand that it all makes sense! AMEN. I just hope it won't take 10 more chapters to see that happening.
Why do i feel like Mister Kim (seungho's servant) knew something?