Both are set within the world of a historical game that the FL is playing and in which she must accomplish tasks in order to complete.

Both are set within the world of a historical game that the FL is playing and in which she must accomplish tasks in order to complete.

Both dramas are set within the world of a historical game that the lead is playing and in which they must accomplish tasks in order to complete.

Both are set within the world of a historical game that the FL is playing and in which she must accomplish tasks in order to complete.

Both dramas are set within the world of a historical game that the lead is playing and in which they must accomplish tasks in order to complete.

Both dramas are set within the world of a historical game that the FL is playing and in which she must accomplish tasks in order to complete.

Both are mini dramas in which the FL and her child die tragically and she is then reborn or finds herself in the past.

Both FLs are downtrodden in their family and marry the rich, disabled ML. Despite many challenges, the two fall in love.

Same title, very similar plot - both are mini dramas in which the unloved adopted or step daughter of a family is forced to marry the ML who is in a wheelchair and has a cold personality. The two eventually fall in love and have to deal with awful relatives and many difficulties. One ends happily, the other tragically.

Both are historical GL short films depicting a romance between a human and a flower spirit.
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Both dramas begin with the leads as single parents to a five year old child who meet and begin living together. Later on, they discover their children are separated twins. Both dramas have cute kids, and a similar relationship between the leads with both MLs a rich CEO.

Both are mini dramas in which the leads approach each other for revenge or something they want to gain, only to discover they're genuinely falling in love.