I dont remember the title but the manhwa where the girl is reincarnated into a maid and th...

Sincerely: I became the Duke's maid ( ´◡‿ゝ◡`)

Sincerely: i Became a Duke’s Maid

https://www.mangago.zone/read-manga/the_lady_i_served_became_a_young_master/

Sincerely: I Became the Duke’s Maid (cursed young child with marks)
The Lady I Served Become a Young Master (cursed uniformed young master)

Thanks guys

You’re welcome. Enjoy