The Hunter Does It 10 Times in One Night...

'''A world where dungeons open, and some among humanity awaken as hunters. In South Korea, in exchange for a hunter's mandatory ten-year service, the military enlistment of their siblings is exempted. This sparks a trend among well-off families to adopt children with the potential to become hunters. Yeon-woo is a case adopted in such a manner. He was adopted for the sake of Jung-woo, one year his junior, became a hunter, and enlisted. In his fifth year of service, a mysterious dungeon opens near the university Jung-woo attends, and Yeon-woo volunteers to throw himself into that dungeon. - So, Mo Jung-woo's older brother, proxy-enlistment hunter Mo Yeon-woo, had to protect Mo Jung-woo's ...