ML who had one-sided love to FL


both mains experienced the same trauma but don't remember each other anymore or both mains lost a parent in the past

both mains experienced the same trauma but don't remember each other anymore 


melodramatic modern drama or lighthearted historical drama

Both are single parents


Love Triangle or Love Square

Love square 

Living toghter or living apart 

Living Together


Pets or No pets

A spacious luxury apartment


ML and FL who had childhood connection or ML and FL who just met each other

ML and FL who just met each other


Cop  duo or Criminal Duo

Cop duo

Strong FL or Clumsy FL

Strong FL

Police or law drama

law drama


Zombie or Ghost

zombie

age gap or same age main couple

considerable height difference with main couple 

Married or unmarried couple