O Vento Sopra (2019)

ML lead is terminally ill. they love each other but misunderstand some of the other actions. same male lead

similar vibe

both actress in both drama the same

the guy are have alzheimer in wind blows
while on this movie it's amnesia

Ex lovers to new lovers(again)
love triangle
School relationship lovers(When did first love begin? - the wind blows=university
my sunshine= high school)
Happy ending
ex lovers falling in love again and being together
Best Friendships
meeting again and more

(spoiler)
- both have the similar topic of Alzheimer’s disease and how it affects relationships both are very eye opening and have a warm but sad message

Both dramas are about Alzheimer's disease. In The Wind Blows, it is the male lead who's suffering from Alzheimer's, whereas in A Thousand Days' Promise it's the female lead.