When the apocalypse swept across the world, Su Jiyai found herself trapped in a nightmare at her foster parent's house. Her foster mother relentlessly sought opportunities to sell her, her cousins plotted her death to ease their burden, and her foster father harbored sinister intentions. Desperate for escape, she seized the moment when her family forced her into military service as a replacement for their biological daughter, finally severing all ties with them. In the Army, Su Jiyai fought hordes of zombies bare-handed, lacking any supernatural abilities. During a brutal encounter near a mysterious location, death seemed inevitable until she unexpectedly triggered a system that bound her to the enigmatic place. Everything changed with her new multiplier system—a game-changing ability that infinitely duplicated items obtained from Dimension Hunting. [Ding! Vending Machine Detected! Congratulations to the host for obtaining Vending Machine X ∞! Purchase additional Vending Machines for 200 Federal Coins] [Ding! Deluxe Room Detected! Congratulations to the host for obtaining Deluxe Room X ∞! Purchase additional Deluxe Rooms for 10000 Federal Coins] Leveraging her system, Su Jiyai established a thriving residential district and grocery empire. Her business ventures exploded in popularity, drawing customers from across the region. When her desperate foster parents appeared begging for forgiveness, she turned them away without hesitation. But complications arose when the Willow Army captain—the man she secretly admired—began treating her like a precious discovery, unaware of her true identity. The narrative accelerates through the opening nineteen chapters, with the central plot igniting from chapter twenty onward.