Reborn as a Vending Machine, I Now Wander the Dungeon

Jidou Hanbaiki ni Umarekawatta Ore wa Meikyuu wo Samayou (自動販売機に生まれ変わった俺は迷宮を彷徨う, lit. "Reborn as a Vending Machine, Now I Wander the Dungeon") is a light novel series by Kuma Hiru with illustrations by Itsuwa Katou.

Plot
He, who was an authentic Vending Machine maniac, died from a traffic accident while protecting a vending machine. He, who had expected that his life was finished, woke up in a lakeshore surrounded by abundant nature. He didn’t understand what had happened to himself. He only knew that he had become a vending machine, alone in the labyrinth of another world. As he wanders alone, he met a lonely girl, and which caused the drastic change to the world!