So you were like me, never watched other version before. I'm pretty sure you would enjoy it more since you didn't know the details. Please don't regard my article taking away your enjoyment watching this one ;D
I know someone in MDL who won't watch anything with snake in it that's why I put in the TW. But the live ones are not significant for the main plot, you can easily skip them without loosing the story. The cooked ones form are whole not cut, IDK if they can scare you or not. They're presented during family meals. All reptile presentation are for humor not harming any character. Only Thai dramas have jokes like that, I haven't seen in other country's dramas.
So the K version is not about self-confidence and character growth than her looks but the other way around?
oh now I know what you meant... yeah you won't see the opinion on "having to have the straight hair in the workplace to be taken as pretty" in the J version's workplace. Her coworkers took her in, first as I mentioned in the article as they appreciate her great proofreading and then her knowledge and skills in other work subjects improve. Nobody ever mention her bad hair, not even the ML, he's more into that she's unprofessional for his department.
Romantic scenes wise? You won't be disappointed in this drama ;D
Regarding your first comment, I read in the comment section that in Japanese agency's (Johnny's) contracts that idols can't have intimate scenes. That's why probably you don't see much in romantic J-dramas.
In my opinion, the second male lead (Akaso Eiji) had more chemistry with SAto Ai. The actor has great charisma.
I have seen that a lot in dramas where SMLs are set up to be friends to FLs first, their chemistry usually seems better because they have to act comfortable with each other. In this case I usually need to make my mind to ship the OTP no matter what happens lol.
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I think in both Korean and Japanese version FL is called Michael Jackson...