Something like Whispering Corridors, The Truth Beneath etc. Thank you in advance!

  • Save Me
  • Boku no Yabai Tsuma
  • Byakuyako
  • Ghost Writer
  • Kenja no Ai
  • Limit
  • Mistress
  • Misty
  • Yakou Kanransha

Female-centric thrillers/mystery

Dramas:

  • Soul
  • W no Hideki
  • Gods Gift: 14 days
  • the Village: Achiara's Secret
  • Little Girl K

Movies:

  • The Villainess
  • Sympathy for Lady Vengence
  • Midnight FM
  • Manhole 
  • Monster
  • House of the disappeared

Movies

  • Monster (2014) +1   ~chills~ (kim go eun and lee min ki were literally insane)
  • Confessions (one of my all time favs) (you will never see it coming)
  • Train To Busan (not a female lead but still amazing...so much more than just a zombie movie)
  • Girls In The Dark (literally so cool...the plot twists one after another were totally unexpected)
  • The Villainess +1 (unexpectedly amazing)
  • Time Renegades 
  • Coin Locker Girl 
  • Steel Cold Winter
  • Missing You (2016) (a little weaker compared to others on the list)

Dramas

  • Mistress +1 (had me  on edge, beginning to end)
  • Mad Dog (technically not a lead but she's badass....one of my fav thriller dramas)
  • Lookout (everyone is badass and crazy insane)
  • Save Me +1 (seo ye ji is bae)
  • Little Girl K +1 (han groo was so badass...it's 3 eps only)

oof I love thrillers <3