The girls had already explored this area. There were only a few small fish, shrimp, and shellfish, and nothing dangerous.
Amamiya Natsuki took a quick look around, then swam toward deeper water.
A moment later.
Several sharks swam lazily past Amamiya Natsuki.
"Have I reached the shark zone?"
Amamiya Natsuki remained calm and unruffled.
Sharks looked ferocious, but they didn't attack humans unless they had an open wound. The smell of blood was what drew sharks to attack.
If someone was completely unharmed, with no wounds at all, they would most likely be safe even swimming alongside sharks.
"They're all ordinary sharks, not the supernatural being itself..."
Amamiya Natsuki pondered for a moment underwater. Suddenly, a thought struck him, and he turned to look in a certain direction.
All he could see was dark, icy seawater.
But Amamiya Natsuki swam toward it without hesitation.
A moment later.
A giant cruise ship, lying upside down in the depths, quietly appeared before Amamiya Natsuki.
"I'm back."
Amamiya Natsuki breathed out softly, a string of tiny bubbles rising from his lips.
The sea area was even larger than he'd imagined. Under these circumstances, the odds of finding the supernatural being by wandering around were extremely low—it was like searching for a needle in a haystack.
And according to everyone's theory, the supernatural being sought to inspire fear in humans. Its true form was probably something frightening. It was unlikely to be an inconspicuous rock, and it wouldn't be found somewhere devoid of people.
That made the cruise ship suddenly seem very suspicious.
If Amamiya Natsuki hadn't stayed alert and had his memories blocked like everyone else's, he would probably still be trapped inside the cruise ship, wouldn't he?
Brushing the thought aside, Amamiya Natsuki swam a full circle around the sunken ship.
Though