Allen is a reincarnator who has memories of living in modern Japan. Twenty years after being reborn into another world, he now lives as an ordinary citizen in a fantastical world. One day, he discovers that he possesses the ability to travel across various worlds, a power called “Otherworldly Travel.”

Allen then comes up with an idea.

“If I use this to bring things from Japan and sell them here, won’t I become incredibly rich?”

Allen decides to travel between worlds, collecting and selling goods to the entertainment-starved inhabitants of the other world and fellow transfer and reincarnation individuals, aiming to make a fortune.

…This is the story of such a man.

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