main character can see ghosts
ML and FL have a childhood connection or ML and FL have met for the first time in their adolescence.
childhood connection
male lead rich or female lead rich
Female lead rich
Action dramas or Psychological dramas
Natural disaster
psychological films or horror films
Psychological films
Bromance or sismance
at home
bickering couple or fluffy soft couple
oh that's hard.. I like both but bickering couple seems funnier to watch (like in Come! Jang Bo Ri)
smart or eccentric main character
First encounter is a collision
Love triangle where ML is being pursued by 2FL or where FL is being pursued by 2ML
Love triangle with a 2ML
Love triangle where the second lead is a childhood friend or ex