Fanletter, Please

Both the shows have a single parent..
And it only has 4 eps so it will be a quick watch for someone who likes a cute romcom

Entertaining big families that come close to heart.
The way both dramas deal with family-only dynamics is peaceful.
Full of comedy.
Heart-filling romances.
Double in-law couples.

both similar in having single father ML and a successful FL. In both dramas, MLs are walking green flags and are fathers to pretty yet smart daughters, who help bring the leads together.
Also, both daughters have ailments.

ML is a celebrity, a singer songwriter
FL is a regular person
Both shows deal with illness
In FP, ML's daughter has leukemia but in STL, FL has ALS
Both shows deals with scandal
In FP, FL is at her height in fame but temporarily brought down by scandal but in STL, ML is no longer popular and trying to work his way up back to fame but scandal is blocking him
Both shows ML and FL work together to cover up a lie/misconception