On June 6th, 4MEN finally released the full music video for their new track, "Once While Living". The music video was filmed in black and white to better convey the lyrics' sad story. Through the passionate acting of pianist Jin Bora and actors�Kim Sung Oh and Jin Yi Han, "Once While Living" became a stirring video to watch. Check out the music video below! [ A big thanks to our readers for the tips! ]