My Lady General (2023)

Both are historical dramas. Both MLs have a powerful secondary identity but are weak and ill due to poison.

Both are historical dramas in which the ML is poisoned and the FL a strong fighter. The two marry at the beginning of the drama and later fall in love.

Both are historical mini dramas with a strong FL and a seemingly weak or foolish ML who is hiding a secret powerful identity behind the mask. The couple is forced to marry at the beginning of both dramas.