FLs are business women and the MLs are younger. Both MLs fall first, and the FLs are hesitant but obviously interested. Both FLs' parent (father vs. mother) object to the relationship due to the age gap.

Both FLs are hired to help the younger ML. Both MLs fall for the FL first, but she is reluctant to accept them due to the age gap. Both FLs are being pursued by at two other guys besides the ML.

Both MLs witness the death of a family member as a child which traumatizes them and has a fantasy physical side effect (hearing minds vs. not growing). They become attached to the older FLs who helped them, and search for the FLs when they become an adult, finally reconnecting. Both MLs fall for the FLs first, but she views them as a kid at first.

Both MLs witness the death of a family member as a child which traumatizes them and has a fantasy physical side effect (hearing minds vs. not growing). They become attached to the older FLs who helped them, and search for the FLs when they become an adult, finally reconnecting. Both MLs fall for the FLs first, but she views them as a kid at first. Both dramas have an identical scene where the couple is kidnapped, threatened with fire, and told to choose which of them should live, leading them to state the survivor will suffer more. Both MLs disappear for a year without warning due to the killer, who is still in their lives after all the years.

Both are short dramas with a modern day FL in a historical game like setting in which she has a guide and must complete tasks to return home. Both MLs are royal.

Both have a FL from the real world who enters a fictional historical world and falls in love with the ML.

Both are short length dramas in which a real world FL enters a fictional historical world and falls in love with the ML.

Both are short dramas in which a real world FL enters a historical fiction world and falls in love with the ML. Both have a "guide" who tells the FL what to do or tries to keep the plot on track.

Both have real world FL who are in a game set in historical times. Both MLs are royal and have sweet, more caring personalities. Both have a "guide" who only the FL can see, who gives her tasks to complete in order to win the game and return home.

Both FLs are from the real world and in a historical game where they must complete tasks in order to return home again.

Both have a real world FL entering a historical setting game world and falling in love with the emperor ML who is a fictional character in that world. Both FLs complete the game and return to the real world, but out of love for the ML they choose to return to the game and spend their lives with him.

Both have a real life FL entering a game world set in historical times and falling in love with the royal ML who is a fictional character in that world.