Both are set in school with a bubbly and cute FL and a cold or shy ML. One of the two tutors the other. Both have a close circle of friends, two of whom are the secondary couple.

Both MLs are shy and withdrawn, FLs are more outgoing. Both are set in school and one of the characters' family owns a dessert shop.

Both have a smart FL and a ML with past trauma and a cold personality, and a childhood connection between the leads. Both dramas revolve around the two solving a series of mysteries and conspiracies.

Both are mini dramas in which both FLs are modern day women who transmigrate into the body of the "ugly" and unloved wife of a wealthy royal man. The FLs start by fixing their scar on their face and then confuse the ML by their change in attitude.

Both FLs are modern day doctors who time travel to the past and have a mark on their face that they soon remove. Both MLs are cruel to the FLs at first.

Both are short length dramas in which the FL is a modern day doctor transmigrated into the body of a mistreated wife of a prince.

Both are historical mini dramas with a love/hate relationship between the leads. At some point, FL wrongfully believes ML killed her parents. Later on, one of the leads is blinded and the other cares for them, pretending to be mute and writing in their hand, but the leads soon figures it out due to a gesture or skill they did.

Both are mini dramas with the same sort of plot - modern day FL time travels to the 1980s where she's married with a child/children and proves herself to the people in town who doubt her.

Both are historical mini dramas in which the ML keeps the FL prisoner and is obsessed with her and torments her.

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Both are murder mysteries in which the ML is suspected of being a killer and viewed as dangerous by those around him. In both, he's lost part of his memories and is uncertain of past events. Both dramas have a similar feel with dark vibes and all the characters having secrets.

Both are mini dramas with a contract relationship in which the FL hires the ML to pretend to be her boyfriend, and the two later fall in love.