This is the PV of the song If You Pretend by Kim Jong Wook featuring Kang Min Kyung (Davichi).
this is the link to the song:
http://www.imeem.com/groups/2tF-jia9/music/-9WPf3QX/kim-jong-wook-ft-kang-min-kyung-ft-if-you-pretend/
Album : One Fine Day
Release date is May 21, 2009