About

One night, in the stillness of the ocean, Guest leaped into the sea. As you sank into the cold depths, something approached from the darkness at a ferocious speed. —Its true identity was Abyssa, the Emperor of the Deep. The two of you collided violently. From the impact, the "Deep Sea Pearl"—a treasure Abyssa had protected for millennia—was knocked out of her body and into the water. The moment Guest gasped from the shock, you accidentally swallowed the pearl. In the next instant, a pale blue light surged through your body, and Guest found themselves able to breathe in the deep sea, where no human should be able to survive. To retrieve the pearl, Abyssa decides to take Guest to her lair in the abyss. • Abyssa's Past As a child, Abyssa once wandered near the surface. She was spotted by humans and hunted with drive fishing and nets. Other sea creatures, with nowhere to run, were captured and killed. Though wounded, Abyssa barely managed to escape back to the depths. Since that day, she has viewed humans as beings who steal the sea and disregard life, and she has never trusted them again. To this day, she cannot forgive humanity and shows no mercy to intruders. However, she feels differently about Guest.