Both FLs are poor and outside the law (assassin vs. thief) and disguise as a eunuch to enter the palace. The emperor learns their secret and falls in love with them.

Both are light historical dramas in which the leads have a long forgotten childhood connection, the ML is now a colder, feared person, and the FL is cutesy and disguises as a boy to enter the house. Both have a love triangle.

Both FLs are spirited and a bit silly, and enter the palace disguised as eunuchs. The emperor discovers or knows their secret and falls in love with them.

Both FLs are spirited and a bit silly, and enter the palace disguised as eunuchs. The emperor discovers or knows their secret and falls in love with them.

Both FLs disguise as eunuchs to enter the palace, where a love triangle forms between her, a royal, and a nobleman.

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Both are short length historical dramas in which the one ML is in an arranged marriage with the other ML's sister. When she runs away from the wedding, he disguises himself as his sister and marries the FL in her place, a ruse which is quickly discovered by the other ML. The two decide to keep the secret for now.

Both are short stories with mythical being(s) spending a holiday among humans. Both have a similar vibe.

Your Trap is a remake of Bu Bu Shen Xian, both are short length dramas with the same story, but Your Trap expands on it.

Both MLs are pretending to be eunuchs in order to achieve their goals. Both are historical mini dramas.

Both are light historical dramas in which the FL is forced to marry the ML who is pretending to be a eunuch.

Both are historical dramas in which the MLs are pretending to be eunuchs in order to investigate a case. The FLs learn their secret.