Im a huge wmmap fan and also CHFD fan (Charlotte has five disciples) and im starting to think i am obsessed with making the main characters have a twin sibling . 

Manhwas i read 

Who made me a princess 
Charlotte has five disciples 
A transmigrators privilege
Three annoying brothers 
The twin siblings new life
Actually I was the real one
The goal is to be self-made (new)
Little princess mint
Becoming the villains family 
How to get my husband on my side 
Lady baby