That castle will drive me crazy. I could swear I saw it in like three other manhwas. Is it...

another one: Am I the Daughter?

chapter 8

Thanks S2

I Became the Ugly Lady, chapter 4

Pet of the Villainess, the artist tried really hard to put that castle in various angles to hide that it's that same castle, but it chapter 61 it finally confirmed my suspicion that it's the one

Good try, Mr Author, but you can't escape a watchful eyes of readers, lol....

I Became a Maid in a TL Novel, main castle

The Max Level Hero has Returned

The Lady and the Beast, c.15

Priscilla's Marriage Request, c.26