Seven thousand meters above the ground.
The sky full of white clouds suddenly split open with a huge hole.
With a puff.
A gigantic sea beast dragged a pirate ship through the air in a parabolic arc before finally landing atop the densely packed clouds.
The clouds, which should have been insubstantial, had somehow gained texture and held both the sea beast and pirate ship afloat.
"Is this Sky Island!?"
Nami gripped the ship's railing tightly, staring around her in shock.
Gin's eyes widened as well.
Only Natsuya remained calm. After glancing around, he explained, "This is only the White Sea. To reach Sky Island, we still need to go higher, to the White-White Sea."
Nami and Gin were even more astonished upon hearing that.
So Sky Island really existed!?
Honestly, before boarding the Knock Up Stream, neither Nami nor Gin had been sure about this.
Especially Nami. After visiting the town on Jaya Island, she had learned just how vague and far-fetched the legend of Sky Island truly was.
In short, almost no one believed Sky Island existed!
Yet Natsuya had insisted on taking them there.
It was only because Captain Natsuya commanded such authority that they had not voiced any objections long ago.
And now, though they had yet to see Sky Island itself, this sea of clouds high in the sky seemed to prove that Sky Island really did exist!
"Wait, Lord Natsuya, why are you so certain Sky Island exists!?"
"And Lord Natsuya, what about that Southbird? Why does it feel like you know so many things?"
Nami immediately asked curiously.
She had originally thought Natsuya was the kind of captain who left everything to others.
But judging from everything that had happened, this hands-off captain seemed to know far more than either of them. What