Reborn as a Vending Machine, I Now Wander the Dungeon, Vol. 1 (light novel)

A middle-aged man with only one passion in his life meets a fitting end ina traffic accident. That's where most stories would end, but instead, this iswhen his story begins when he's reborn as what he admired the most in life--avending machine! But his new lease on life(?) happens in the worst placepossible--what can a vending machine do in a monster-infested dungeon when hecan't speak or even move on his own?