emeraldarrows

Both are mini dramas where the ML settles into a house which is haunted by a ghost who becomes his love interest. Both have some similar scenes, like the ML doing laundry on the roof.

Both are set in school and both MLs have amnesia due to a traumatic event/injury which has caused them to forget their relationship with the FL who they then meet again.

Both are historical mini dramas with the same actress as the FL, playing a bold, strong, and domineering character. Both MLs are royal and weaker/in a position of less power than the FL.

Both are historical mini dramas with a royal, powerful, and domineering FL and a lesser powerful ML under her control. Both have an identical scene in the first episode where the FL holds the ML's chin as he kneels in front of her.

Both are historical dramas with a lush, beautiful look and feel, both based upon operas. The MLs are of higher status than the FLs who are orphans and entertainers (musician vs. theatre performer). Both FLs are intelligent and quick to solve problems that come their way. Both dramas are female driven and have court politics , friendship, and extended family at their center.

While very different plots, both have a similar aesthetic - dark, rain-drenched, cyberpunk-like sci-fi. Both FLs have deceased fathers who created or worked on some project that the FL has now discovered in the present. Both MLs are somewhat dangerous and the FL is suspicious or antagonistic to them at first.

Both are mini dramas in which the FL is drunk/sleeping and receives a confession or kiss, but doesn't know who it was among several possibilities. She then tries to discover which of the MLs is the one who confessed/kissed her. Both have a love triangle (ML, SML, and FL) and the confession/kiss has an unexpected twist to it.

Both have super cute big height differences between the main couple. Both couples are students and have a friendship to romance relationship.

Both are mini dramas with slow and lovely romances, a lot of beautiful scenery, and a wistful, nostalgic feel.

Both dramas feature contract marriages that turn into true love. Both couples run cosmetics/skin care product shops. Both are historical dramas with a modern mindset or twist, and are female-driven stories.

Both are historical dramas with a spirited FL who owns a business and ends up in a forced/contract marriage with the ML. Both MLs fall first and win over the FL.

Both are historical mini dramas with a contract relationship (fake siblings vs. marriage) between the main couple. Both are set in cosmetics shops.