Hellooooo! I'm looking for a manhwa where fl has grey hair and green eyes, I think? She's ...

Hellooooo! I'm looking for a manhwa where fl has grey hair and green eyes, I think? She's supposed to be like the villainess of the story and be obsessed with male lead, but she isn't. Anyways, she finds his nephew? For him, so he won't kill her? Idk. It was something like that! The og fl was the one supposed to bring the child to him, but our fl did instead so she could be on good terms with both of them. She has an amazing father too!! Pls someone helps meლ(´ڡ`ლ)