Frog Prince (2020)

In both dramas the male leads loose their memories, personalities change, and are taken in by the FLs.

I just remember about having CEO amnesia, being kind then back to his nature once he regained his memory.

-Both the male leads suffer from memory loss or amnesia.
-Belonging from a rich background they have to live together with the FL away from their regular surroundings.

both have the same story rich male lead got amnesia and fall for female lead things going to complicated when male lead get back his memories

Both fl save male lead from drowning. Both male lose their memory and have fiancé and when they regain their memory they forget fl. Rich man/ poor woman. They both fall in love when they lost their memory.

-Both female leads rescue the male leads.
-Both male leads suffer from amnesia or temporary
memory loss.
-Both male leads have to live in different environment with the female lead.
-Both male leads fall in love with the female leads during their stay.
-Both male leads face corporate power struggle.

("Please Feel At Ease Mr.Ling" is yet to air. I am going to update if I find more similarities)