The Protagonist's Hidden Strength, Main Character Hides His Strength, The Silent Warrior, The Protagonist Hides His Powers, 주인공이 힘을 숨김, The Protagonist’s Hidden Strength, 主人公隐藏了实力, Juin Gongi Himeul Sungim, The main character hides his strength, The Protagonists Hidden Strength, The Main Character Hides His Powers, The Main Character Hides His Power