Worst Friends (Korean: 최악의 친구들; RR: Choeagui chingudeul) is a 2009 South Korean short film starring Kim Soo-hyun.

Its directorial intention is a retrospective of losing a friend in delirious Seoul.

Directed and written by Namkoong Sun, it was made at the Korea National University of Arts' Department of Film Graduation Workshop.

[1][2] Jun-ki (Kim Soo-hyun), a boy with shaggy hair that covers his face, returns to Korea from an unsuccessful American educational trip.

When the 19 year old In-sun hears that her first ever intimate experience partner is coming back, she is thrilled.