If you wanted advice, why didn't you ask for advice? Both this drama and the other related drama I mentioned are vertical dramas. They are especially made to be viewed vertically on a phone or tablet screen. I don't own a smart TV (or any TV), so I can't help you with that. But why would you want to watch a vertical drama on a horizontal TV screen anyway? (Unless you can rotate your smart TV set so the screen is in a vertical position, I guess. I have no idea if that is even possible.)
This is for the people who are saying Qin is trying too hard to cry in the last scene. From P’Kla, director…
This was so obvious to me, it's totally in character for Qin to have built such high walls around himself and to have very muted expressions! Walls like that don't just come crashing down all at once, and I'm really happy that they are showing it this way. It's going to be a long process. But there's a crack now, and they will start crumbling as long as he feels safe enough. I love the writing here, how Duang and his unwavering puppy devotion and loyalty and care is just exactly the perfect match for Qin. I absolutely believe in them.
helloo!! I'm planning to watch this, is it really worth to watch?? 😭
It starts out as a very lightweight, cute story, but it just gets better and better with every episode. I started out as a pretty casual viewer, but ended up totally hooked by the characters and the story, and the acting and direction are very good. If you like red flag characters, you should look elsewhere. But if you like green flags you're in the right place. The MC here is the greenest of green flags, he's a whole forest. 💚
This series just gets better and better!? Now it even made me cry! And the acting!! That kind of deeply emotional scene we got at the end can turn cringe in a heartbeat if the actors cannot carry it, but they both (and the kid!) did such a good job!
Everyone is disappointed cause they didn’t show the NC scene but I think they have to understand the actors…
I think what we got last ep was super good. I don't think we need every detail on screen. Just the idea of the actors (young as they are, too) crossing a comfort line because of outside expectations gives me the creeps. You can tell when that happens and it just makes the whole scene feel totally off.
K-Drama 
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Both this drama and the other related drama I mentioned are vertical dramas. They are especially made to be viewed vertically on a phone or tablet screen. I don't own a smart TV (or any TV), so I can't help you with that. But why would you want to watch a vertical drama on a horizontal TV screen anyway? (Unless you can rotate your smart TV set so the screen is in a vertical position, I guess. I have no idea if that is even possible.)
https://www.youtube.com/watch?v=OTae5Pm1oNo