Both are mini dramas in which the FL is cheated on and betrayed by her fiancée and becomes involved with a man who helps her.

Both are mini dramas in which the FL is cheated on and betrayed by her fiancée and becomes involved with a man who helps her and she marries.

Both are short length dramas in which the FL is cheated on by her boyfriend and then meets another man who helps her.

Both MLs wear glasses and come from a wealthy family. For their own reasons they find a look alike woman to impersonate their sister or fiancée.

Both are about the ML and FL who start out close and then the FL's family either destroys who the ML wrongly believes they destroyed his family. Years later the two meet again, the ML having drastically changed and now cruel to the FL as he seeks revenge. Slowly, her kindness toward him changes him back to who he once was.

Both are short fantasy dramas centered around magical mirrors/reflections and a mystery.
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Both are a trio of friends/love triangle between two MLs and a FL who live on the same street. Both have a nostalgic feel with the FL starting out crushing on a different ML than she ultimately ends up with.

Both feature mermaids and evil humans causing environmental problems for the ocean which the mermaids are trying to stop.

Both are xianxia dramas in which the FLs are plant fairies and the MLs are doctors with a cold personality.

Both are xianxia mini dramas in which the FL is a cheerful plant fairy and the ML has a cold personality.

Both are Chinese fantasy mini dramas in which the FL is a cheerful plant fairy who the ML encounters.

Both MLs are healers with a divine past and a cold personality and the FLs are herb fairies with a cheerful and endearing personality.