The Unnoticeable Lady's Romantic Circumstances: When I Discovered My Master's Secret, He Started Doting on Me

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When I Discovered My Master's Secret, He Started Doting on Me summary: Patricia, a baroness's daughter, has been described as "unremarkable," "unremarkable," and "lacking presence" since childhood, a plain and unassuming girl by herself and others.
Despite being a noble, she dislikes anything flashy and loves reading, cleaning, and cooking.
She overhears her childhood friend, whom she had a slight crush on, saying that she's "plain and unthinkable to marry," which makes her decide to dedicate her life to work! Putting her natural resourcefulness to good use, she begins working as a maid in the wealthy Rondald family in the countryside.
The head of the household, Leon, is rumored to be a man of dazzling beauty who turns heads wherever he goes but is also extremely neurotic and difficult to deal with.
Patricia works diligently, seemingly unconcerned by the rumors about Leon, but her inconspicuousness is recognized, and she is entrusted with helping with the "inviolable" daily life of Leon!? Even there, the "completely inconspicuous" Patricia witnesses the Count's incredibly romantic secret in the quiet study! This incident brings her and her master much closer—!?