grumpy ML sunshine FL

FL is the brain ML is the muscle or vice versa

FL is the brain ML is the muscle  ( Delightfully Deceitful  )    


nerd FL or nerd ML


nerd FL

lead character has a second made-up identity, or lead character is duplicate of person being impersonated.

lead character has a second made-up identity


Fated Reincarnation  Love  OR  Unrequited Love


Fated reincarnation love


Love triangle or rich man/poor woman

love triangle

love triangle or love quadrangle (two triangles but with the possibility that the leftover two could end up with each other)

love quadrangle


amnesia or fake amnesia

amnesia


boring, no personality ML or cold but sweet ML

cold but sweet ML


Ghost ML or Zombie ML

ghost

main character has a terminal illness, or main character incorrectly believes that s/he has a terminal illness

main character has a terminal illness


Music or Sports


Music


Cheater ML or Cheater FL

Neither Cheater ML


Age-gap or (same age  /2-4years)

age gap but on the smaller end (no more than 5 years)

flirty & confident FL or ML

Both :D


Doctor ML or FL in the Military