Bang Yong Guk released more photo for 'Hikikomori.'

Following the second teaser image titled 'Eyes,' Bang Yong Guk unveiled the third photo with the name ','. In the gloomy cut, Bang Yong Guk is spotted in the center of a broken room. 

Meanwhile, the Japanese word "hikikomori" is a term that describes a state of confinement or withdrawal from society.

Bang Yong Guk's new solo release will be out on January 20.