The cast seems to be top-notched. Now, I just want to know the amount of romance there will be and if this is…
The manwha is not completed. This is due to the author feeling her working contract and conditions had serious problems. So they parted ways and she was never able to get the rights of her work. She started writing a kind of spin-off that shows the past of some characters.
But having read it, there should be enough romance. Especially since it seems this show added a lot of characters, who will be paired up.
About happy ending: Since the manwha wasn't finished, I cannot guarantee this, but I think the ending was supposed to be (see next spoiler comment)
Translation according to Google Translator btw: "First air date: April 2021, I'm very glad"
But having read it, there should be enough romance. Especially since it seems this show added a lot of characters, who will be paired up.
About happy ending: Since the manwha wasn't finished, I cannot guarantee this, but I think the ending was supposed to be (see next spoiler comment)