Like if the guy she's dating there's something off about him, or he's cheating, or wants to break up, she cuts her feelings with precision and a sharpness and figures he wasn't the one and doesn't shed any tears or whatever. Meanwhile, perhaps her friends or whatever thinks she's strange or cold or whatever.

The Story of Yanxi Palace fits this to a T.

New tales of Gisaeng. 

  • New Tales of a Gisaeng +1
  • Rational Life
  • No Working After Hours
  • Somewhere Only We Know
  • Dear Mayang Street
  • In Time With You
  • Itaewon Class