Personally borrowed money
MC gets out of a rut by themselves, or are helped by other characters
Sober
Subtle romance or steamy romance
Steamy
Main lead has amnesia or a terminal disease
Accidentally
When the ML buys the FL new shoes as a replacement for her old one: sneakers or high heels
Sneakers
Cross-dressing male lead or eccentric male lead
eccentric male lead
Playboy ML or Playgirl FL
Playgirl FL
Bright dressed citygirl FL or plain countryboy ML
ML openly helps FL
ML is friends with SML or hates him.
ML is friends with SML
Annoying SFL or MIL
lighten the mood
main character is a musician or athlete