Sorry but what ?
https://i.postimg.cc/hGZGjGd3/i.webp

In the "real" world, she will be the subject of many porn drawings

https://i.postimg.cc/Yq06G5q2/i.webp

A attempt of NTR

Just get married and have kids

I can see the unnecessary drama that will end with the revelation of the Emperor's mark.

Yeah, worst trope ever
Edit: i just understand your message, so yeah it's just a doll (fake daughter) for some noble (emperor brother's old allied or directly the brother daughter ?) who just gonna make some drama for the revelation of the mark

Oh a false girl

Never like that girl, why it's always a harem...

I just understand with you comment

Which side is the japanese girl ?

This story seems like a prequel for an another serie.
For exemple a story where a father take care of the kid after the mother passed because of some decease...

"Step-Mother operation" enter in a new phase

This view is necessary for the plothttps://i.postimg.cc/QdHFxffk/i.webp

The Beginning After The End

Praise the warriorhttps://i.postimg.cc/pr04L3zB/i.webp

It's good until a certain part...

Red hair guys is the father sperm donor

Actually we got nothing more...

Third world = Europe and the rest of the world