[From Broke To Billionaire!] Interdimensional Merchant

What kind of impact would it have if we imported the potion to Earth?

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Wataru, one day, accidentally discovered that he could travel back and forth between another world and Japan. Weird, right? But that's not the end of it.

As he gazed upon a town on the other side of the gate, which still had many undeveloped aspects compared to modern civilization, he realized the potential to make a huge profit. By bringing sugar, spices, coffee, and hygiene products to the other world, Wataru earned a fortune.

However, when he noticed the potions being sold in the other world, he had an epiphany: "Wait, isn't this actually better than what we have on Earth?"

He brought these potions, which could heal wounds in an instant, back to Earth. When he made a fortune just from these potions, the fattest grin appeared on his face.

Cross-posted on webnovel, royalroadl, and scribblehub.