After dying and appearing before a goddess, Giovanni was told to choose a gift before his next reincarnation in a fantasy world.

However, before he could reincarnate safely in this new fantasy world, Giovanni managed to anger the goddess before him. As a result, the goddess decided to punish him by traonsporting him to the middle of a treacherous dungeon with nothing on him. Not even the clothes he had on previously.

Now, finding himself trapped inside a dungeon where everything can and will kill him, Giovanni is forced to rely on his wits and his gift of immortality to escape the area. And once he does, he promises he'll find a way to make the goddess pay for forcing him to go through this hell...