It's worse than that. It's one thing to act like a stiff and arrogant character. It's another to deliver every…
Doh Kyung Soo was very good in other series I saw him in, but I agree with you: in 100 Days my Prince he is too stiff. I couldn't connect with his acting here.
I have this question if the woman who took seo-ri's body remembers king then why she doesn't remember prince
At first I thought she had very bad memory. And probably she had met the Prince when she was quite young, many years ago, and she had only seen him twice or so. But my theory is wrong because now we know they had seen each other several times.