Do you guys know this one manhwa that have red hiar female characters and white hiar male ...

Is this it?? http://www.mangago.me/read-manga/the_villain_discovered_my_identity/

And like the female lead pretend to be a man and go to work at this wealthy noble male lead house to uncover the truth for the crown prince

I forgot to save the name T . T pls help

Yeah im pretty sure it's this one? http://www.mangago.me/read-manga/the_duke_s_servant/

Omfg thank you thank you so much omg omg omg thank you

(˃︿˂ )