Cang Jiao (2023)

Both MLs are fake head eunuchs who have entered the palace in order to get revenge for their family, and have a fierce reputation. Both dramas have a royal princess/empress who is obsessed with the ML.

Both are historical dramas in which the MLs are pretending to be eunuchs in order to investigate a case. The FLs learn their secret.

Both of these dramas center around similarly bubbly and relatively shameless/unabashed female leads with special skills.

- Both ML tried to use their enemy's daughter but gradually fall in love.
- Cold ML but also caring towards FL.
- Powerful ML

Both MLs are pretending to be eunuchs in order to achieve their goals. Both FLs discover their secret in the opening scene, so the ML ends up taking them to the palace/taking them to his home to protect his secret.