emeraldarrows

Both are historical dramas in which the MLs are pretending to be eunuchs to get revenge. The FLs have similar personalities as well.

Both are historical dramas. Both MLs are fake eunuchs out for revenge who unexpectently end up living with the FL.

Both are short length dramas in which the main couple have drifted apart and are planning to divorce. In the process, the two begin regretting it as they look back on the past.

Both are historical dramas in which the ML is a king and the FL is his servant or working for him in the palace. Both have a scene in which the bad guys suspect the FL's identity and abduct/torture her and the ML arrives to rescue her.

Both are historical dramas in which the ML is a king and the FL is his servant or working for him in the palace.

Both are historical dramas in which the ML is a king and the FL is his servant or working for him in the palace. Both have people plotting to get rid of the king, and are a mix of fluffy humor and heavier moments. One has fantasy elements and the other does not.

Both are historical dramas in which the ML is a king and the FL is his servant or working for him in the palace. Both have people plotting to get rid of the king, and are a mix of fluffy anachronistic humor and heavier moments.

Both are love stories between a ruler and his servant.
........................................................................................

Both are love stories between a ruler and his servant. One is fantasy, the other only historical but both have a similar feel.

Both are love stories between a ruler and his servant. Both FLs are considered unlikely love interests (disguised as a male vs. a "plain" maid).

Both are historical Korean dramas with similar pacing and tone, with the first couple/few episodes focusing on the ML's parents before the ML grows up and becomes the focus of the story. Both MLs have superhuman strength and are feared/wanted to be killed by others. The FLs are the ML's second love, not first. Both featuring supporting characters who are courtesans and are heavily involving in the politics of the country. The villain remains largely in power/on top for the entire drama, only meeting his end in the final episode.

Both MLs are demons and were/are in a forbidden relationship with the FL. Both involve tragic pasts and reincarnation. Both FLs are cold/heartless.