Amor ao Luar (2016)

Both dramas are gender-bender set into the past. Well... Snow Lotus isn't just in the past since it's about reincarnation. But there is gender-bender in present too.

Joseon era, gender hiding, comedy are the common features. Also, flowers, trees, beautiful view, beautiful dresses, same or similar palace gives the audience similar vibes.

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

Both are love stories between a prince and a female servant who enters the palace.
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Romance between a prince/ princess and a subject. Both dramas have humor and romance. Love in the moonlight the girl is poor, but in My Sassy Girl the boy is from an important family. Similar feels.

Both dramas tell a story about a girl dressed as a eunuch and her romance with a handsome king. Both are historical romantic comedies.

They are both historical dramas. Both love stories have a Romeo x Juliet vibe, Princess man is more serious, but both dramas are beautiful in their ways

A romantic cross dresser love story about FL a Japanese girl look like a boy & ML a Korean man look like a girl sneaking in a school rock band. Based on a manga/comic book.