When a dimensional portal is accidentally sliced open by a kitchen knife, ordinary general store owner Han Ji-o suddenly gains the ability to travel between Earth and another world. Seizing the opportunity, Ji-o utilizes a subspace inventory to expand his business, selling everyday items across dimensions. His ultimate goal? Just to make enough money to achieve his "humble" dream of becoming a wealthy real estate landlord back home. But things don't go according to plan. Why is he suddenly being dragged into the Hero's party? And why is he being told to stop the resurrection of the Demon King?! The dimension-hopping, merchant-action fantasy epic of general store owner Han Ji-o begins now!
