Am I Your Daughter? - Vol. 1 Ch. 8

[MangaDex]

 

[Ani7032]

Man, that castle's making an appearance everywhere XD
Oh dang they have blood tests, I didn't expect that.

 

[JGPawlick]

Man, that castle again, what kind of 3d program they are using to meke these mawas?

 

[DeathDonut]

Castle nim strikes again.

@JGPawlick: They're using sketchup. There's a thread on reddit where somebody located it. Apparently the castle is being sold for $160, and it was originally a crowdfunded project.
https://www.reddit.com/r/OtomeIsekai/comments/limgpl/found_the_asset_where_castle_nim_is_from/