In both dramas...
• The ML starts out answering to the ML, in Untouchable Lovers he is her male concubine and in Oriental Odyssey he is her slave.
• Both have female leads that investigate and solve crimes, although in Untouchable Lovers they are less like investigations and more uncovering secrets.
• The ML falls in love with the FL and later loses his memory and meets her again as a prince.
• In both dramas the FL and the ML meet and fall in love twice.

Both Chinese Dramas have....
• The same actress playing the FL
• The FL goes from innocent and sweet to deadly and guarded.
• The ML is supportive of the FL and is constantly by her side.
• The SML is pretty villainous and has schemes of his own. Also rather jealous of the ML.

Both dramas feature a villain that was obsessed with his lover and became crazed when she died. Both female leads look exactly like the deceased woman, but in The Flame’s Daughter it is because the FL is the woman’s daughter while in Cruel Romance the resemblance is pure coincidence. Both villains are convinced that they can turn the FL into their deceased lover. And both villains are handsome and devilish.

Both of these are sweet dramas about a down-to-earth poor girl who gets thrust into the life of an arrogant rich boy. Both feature the female lead having to live with the male lead due to some unchangeable circumstance and also having to attend school with them. In both dramas, the male lead falls for the girl first and pursues her intensely through the rest of the series. Both series also have many outside forces trying to force the two apart.
If you enjoyed Heirs, this 25 minute Chinese drama is for you!

Both are dramas about a girl who, due to unforeseen circumstances, has to disguise herself as a male and work in a completely-male environment. In the beginning of both dramas, the girl isn’t trying to pass as a boy, but is always mistaken as one and only purposely disguises herself once she has a debt to her boss. Both dramas have a hardworking, down-to-earth girl who tries to earn money to keep her family fed and out of debt.

Both are romantic, action-packed dramas about battling gangs and a girl that unintentionally gets caught up in the middle of the battle of power. Both dramas have a girl that draw the attention of powerful gang leaders who are intrigued to the fact that the girl has no ulterior motive for helping them.
Both dramas have a main female character who looks identical to one of the character’s first, deceased loves. In Cruel Romance the girl looks like the main villain’s love from back in Japan. While in Karn La Krang Neung... Nai Hua Jia the main girl looks like the main love interest’s first love.
Both dramas have suspense, comedy, sorrow, and enough hand-to-hand combat and shootouts to keep you on the edge of your seat.

They are both supernatural stories about the female lead having a special power, in Black it is the ability to know when someone is about to die while in SWDBS it is super-strength. Both have a cold detective trying to solve mysteries surrounding them. Both dramas also have a rich playboy pursuing the leading lady. Both dramas have strong female leads, comedic elements, and thrilling moments. If you liked Black and want something a bit more cheerful, give Strong Woman Do Bong Soon a try!