Reborn as a Vending Machine, I Now Wander the Dungeon

The protagonist was a vending machine otaku in his past life, having died protecting vending machines from traffic accidents. When he awakens, he finds himself on a lakeshore and confused about what happened. He knows only one thing, now he's a vending machine. He meets a girl outside of a labyrinth in this new world, and his story starts to progress.