both involve an awesome female lead that's good at fighting, is highly intelligent, and good at revenge.

Both dramas involve a main male lead who is poor and who deceives the female lead for greed and personal gain.

while A Woman's Secret doesn't include someone getting framed for murder, it does include an equally psychopathic second female lead whose sole purpose is to ruin other people's lives for the sake of their greed. Both involve a child that is snatched away by said psychotic second female lead

both have the same female lead actress and involve an intense revenge story. The evil psychopath of a protagonist (a.k.a. second female lead) destroys the female leads life in her selfish greed and both dramas involve some serious husband/boyfriend snatching and hidden birth secrets. Both dramas are very similar and equally intense providing one very satisfying revenge story

both involve a main female lead who sets out for revenge against the people who have wronged her. Both have intelligent and awesome main female leads who know exactly how to step on the throats of the ones who wronged them. They also both involve a rich family that have something to do with the main female lead and is about how the main girl fights back to reclaim what is rightfully hers.

Both involve a character that travels through time and becomes involved in the royal family

same actress plays both female leads. both female leads have douche hat cheating husbands and get divorced. they also both lose a child and have the same fiery temper with some awesome fighting skills. both male leads are single fathers

both have really strong female leads who have ambition and a desire to achieve something. They also both seek revenge and both dramas have a similar feel to it.

Both have an obsessive suitor and both incorporate past lives into it. The chemistry between the two leads is quite similar as well for they have a similar relationship and both leads have similar personalities to the leads of Delightful Girl.

Both have really strong female leads who have had a difficult past and hunger for vengeance. Also, they both pretend to be a man at some point in the drama.