Kill Me, Kiss MeKill Me, Kiss Me.

Kill Me, Kiss Me (Korean: K2 -케이투-) is a Korean high school romantic-comedy manhwa originally created by Korean author Lee Young-you revolving around two identical cousins of different gender who end up switching places for about one week's time. K2 was first released in Korea published by Daiwon C.I. with the first volume on December 22, 2000, and later formed a total of five individual volumes by May 29, 2002. The manhwa volumes were distributed in English by Tokyopop between February 2004 and February 2005.