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"And here we are! This port's named Port Aqua, and as you can see, there's tons of other ships nearby. This place is used as a stopping area for merchants that travel between continents to trade their products between one another. The islands also produce their own products, such as special fruits that restore Mana named Aqua Drops." Charlotte gave us a small explanation, as we saw the enormous yet rather rustic Port.
It wasn't as beautiful and big as Heaven Port, and most of its structure was made of wood rather than stone, but it was still quite big and filled with people everywhere. There was a large amount of Mermen though, which were human-like in appearance, but with distinct fish-like parts on their bodies.
Check "The Protagnist's Sister Is Actually the Strongest"!