ML is a military leader with a tragic background
Smart, helpful FL, whom he admires and then falls in love with.
A political conspiracy against ML, which he uncovers with the help of FL.
The initially nominal marriage slowly becomes real.
Fl strives for independence, tries to make a living on her own.

Genres: Thriller, Historical, Mystery, Romance, Swordsman Male Lead, Strong Female Lead, Investigation

In both series, he saves the life of one of the characters by time travel.
They have crime, romance and humor.
The character has to go back in time several times.
It takes place in modern times.
A handsome man and a cheerful, lovely girl.

Both are costume dramas. FL wants to change his life after rebirth. The heroine is smart and wants to avoid death by choosing another man. ML has high status and great responsibility, but supports FL. ML becomes completely obsessed with FL, no other woman is out of the question as a wife. An open but happy ending.