Responses
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I found it! It's "lady to queen"
https://www.mangago.zone/read-manga/lady_to_queen/
I found it! It's "lady to queen"
https://www.mangago.zone/read-manga/lady_to_queen/
A girl (black hair) is reincarnated and becomes the empress instead of her sister. The emperor however pays her no attention and has a lover (red hair). I forgot what it was called