System Quest: Capture the Wraith's Heart

DramaBox synopsis

Three years ago, mysterious horror game instances began pulling people into deadly challenges where survival depended on following the rules. Emily Sloane finds herself trapped aboard the Inferno Train, ruled by the enigmatic Wraith Conductor and governed by five inviolable rules. After awakening a cheat system that grants powerful power by earning the Conductor’s favor, Emily must navigate the train's deadly trials before she becomes its next victim.