As an NPC stuck in the horror game, Charlotte sees a chance for freedom with the arrival of the handsome male lead, Dietrich. Desperate to escape, Charlotte aims to help Dietrich beat every level and unlock the final room. However, she is also forced by the game system to hinder him by obeying its mysterious and cruel demands. Can Charlotte's growing feelings for Dietrich break her free from her passive NPC role and escape the deadly game, or will her story lead to a chilling Game Over?