Its not a drama without...

delicious food

FL gets caught mid fall by her love interest and they have a moment complete with music and different camera angles

One falls asleep sitting up (at a desk, for instance), and the other drapes a coat over the sleeper's shoulders.

historical dramas: a person of noble birth pretending to be someone more common

a shower scene showing off the male lead's upper body physique (but often stopping at his jaw line)

historical (mostly idol dramas): cross-dressing

cheesy slow mo