A Rose of Revenge

Cosette lived in poverty with her mother. However, one day she discovers that she is the Count’s illegitimate child.
In order to take revenge on the aristocrat who hurt her mother, Cosette infiltrates the Earl’s family as a young Gilbert in search of a successor.
Cosette hides her womanhood and looks like a perfect nobleman.

X found out that she was a woman. Cosette wants to hide her identity as a woman for revenge, but she is at the mercy of the malice of the nobles