After releasing the music video of "Before U Go," the title track off of their repackaged album, earlier this month, TVXQ has returned with the full, 16-minute music video on March 21st. Directed by Jo Soo Hyun, the filming took place near Kangnam, Incheon, and Ilsan for a total of five days. The music video stars not only TVXQ's Yunho and Changmin, but actor Choi Jong Yoon and actress Go Ara who are both under SM Entertainment as well. Representatives of SM Entertainment stated, "This music video features three songs off of TVXQ's latest repackaged album ("Keep Your Head Down," "Before U Go," and "Story I Don't Want to Believe"). Our nation's greatest music director, Lee Dong Jun (known for "Shiri," and "Iris") worked in hand with the sound design team for 'Athena' to up the level of perfection for this release." As hinted in the previous music video, the full version aims to draw out the detailed story behind Choi Jong Yoon's decision to betray his long-time friends. Check it out below! Source: OSEN via Naver