emeraldarrows

Both FLs are humans who were born with heart defects and as a child magically absorbed a scale from the ML which healed them. Both MLs are supernatural beings looking for that scale.

One is the drama, the other a fun reality show spin off with the cast.
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Both are Japanese dramas in which the leads grew up next door to each other and the ML has secretly been in love with the FL for a while. He finally confesses, startling the FL, and the two must then navigate whether to risk their friendship by being in a romantic relationship,

Both FLs are under a curse that causes them to shift either their souls to a stranger's body or shift their appearance, appearing as different people.

Both FLs are betrayed and die tragically, only to be reborn a short time in the past and try to change their future fate. Both are mini dramas.

Both are mini dramas with He Xuan Lin and Gao Ming Chen playing the main couple. Both have a Republican Era setting.

Both are mini dramas with He Xuan Lin and Gao Ming Chen playing the main couple.
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Both FLs are in another country and meet the mysterious ML who appears to be part of a group of bad guys but saves them. Both MLs are then presumed dead. Years later FL crosses paths with someone who looks exactly like the ML and she believes is him.

Both dramas involve one of the leads trying to get revenge against their father for what he did to their mother and teaming up with the other lead who has grudges against their father, too. One of the leads is a talented artist who can no longer paint due to trauma, leading to them having panic attacks if they pick up a brush. Both MLs are mysterious figures with unclear motives and ethics, both FLs are trying to reclaim the artwork or art gallery that belonged to their parent and work with the ML while not fully trusting him/suspecting him of wrongdoing.

Both dramas are about the leads seeking revenge against one of their fathers, with the two entering a enemies to partners in crime to lovers relationship. Both MLs are mysterious figures with morally grey actions but a good heart. Both have a lead talented in the arts (music vs. painting) and involved in business. Both dramas have a similar vibe and good chemistry between the leads.

Both have a Ghost Valley with a ML on a revenge quest. Both MLs adopted a girl there who is now like his sister/daughter. Both are bromance/censored BL dramas.

Both are historical mini dramas in which the leads are married and both have secret identities unknown to the other. Both FLs are spies.