[Completed] 120 million people worldwide have disappeared. And… … . - The final quest completion reward, 'Return,' begins. Yoon Sang-hyuk, who cleared the worst survival game in 22 years. Known as the strongest among the one-man army and players, he has returned. With everything in his possession through a reward no one else has received. - The Masked Lord, Return. Max Level Alone, Full Gear Alone, Satisfying Satisfaction Alone!