Those eyes were not particularly large. Judging by their size, they belonged to merely an ordinary creature.
They even looked somewhat round.
Although there was no light on the seafloor, those eyes seemed able to see the conditions beneath the sea.
Yet those eyes were like machinery, devoid of any emotion.
"..."
The next moment, invisible ripples spread through the ocean from where those eyes were.
Kiana, who had been watching Chi You from inside the submarine, suddenly fell from her seat.
Yae Sakura, who had been lying in her chair in a daze, suddenly curled up as well, her face twisted in pain.
"Kiana?! Miss Yae Sakura?!"
Seeing Kiana's abnormal condition, Mei's heart clenched, and she immediately tried to help Kiana up from the floor.
However, Kiana covered her ears, lying on the ground with a pained expression.
"So loud... It sounds awful..."
Yae Sakura also tightly clutched her ears, though she did not cry out in as much pain as Kiana.
Kiana furrowed her brow, trying to stop herself from hearing that sound, but it seemed to pierce into her ears directly from her soul.
"It hurts... My head hurts."
No matter what Kiana did, she could not stop the pain.
Kiana's condition threw Mei into a panic, making her lose the calm she normally possessed.
"What do we do... What do we do..."
"Mei, calm down. We'll control the submarine and surface immediately."
Himeko swiftly made a judgment about the situation, but the submarine's alarm suddenly went off the next moment.
"The Honkai Energy in the sea... is rapidly increasing!!"
Fu Hua looked at the readings on the instrument panel and informed everyone.
"What exactly is happening?!"
Himeko picked up the communicator, preparing to contact the Valkyries in the other submarines. But the instant the connection went