Recommendations (BL) Fake child, true child, second child vs the MC

Hello!!!

Am looking for a BL we’re the MC sibling that can be:
-A fake sibling
-Blood related sibling
-Adopted
-Switched at birth
-The child is the new marriage

And that sibling was to have the MC
-Place
-Kill him
-Was to everyone hates the MC

Thanks in advance!!!!

 

Puffed-up after Giving Birth to a Wealthy Man’s Heir
I Woke up and Was Pregnant
After I Got Married, Those Who Betrayed Me Were Reborn
Maybe?

 

Thank you!!!