Transmigrating as the Supporting Male Lead's Sweetheart

THIS ISN'T MY STORY!
I POSTED THIS FOR OFFLINE READING PURPOSES
Also not my translation!
Source: MTLNovel

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Novel Summary
Yan Yan transmigrated into a novel and became the biggest villain in the book.

The villain originally thought she was the long lost noble daughter of the Ming Family. Upon returning to the Ming Family, she wholeheartedly wanted to eliminate her little uncle to inherit the family property. But before she could eliminate her little uncle, the real noble daughter returned. As a result, the villain was swept out of the house and ruthlessly killed by the little uncle.

On the day Yan Yan transmigrated as the villain, she swore she would definitely not covet Little Uncle's family property, definitely not go against Little Uncle's wishes, and definitely not hinder Little Uncle from chasing the female protagonist!

Preserving her little life, she found an opportunity to inform Little Uncle, "Actually, I am not the real Miss Ming."

Little Uncle pulled on his tie when he heard her words and gave her a meaningful smile: "Really? That's great."

Yan Yan: ??????

Can someone explain to her what this means?

The unafraid of heaven or earth but is afraid of her little uncle FL VS. the seemingly overbearing but in fact is not even a little overbearing ML

The male and female leads are not blood related!!! ARE NOT!!!

- Description from Novelupdates

Details
Short Title : TASMLS
Alternate Title : 穿成男配的心尖宠
Status : Completed
Author : 小孩爱吃糖
Genre :
Romance