Deep beneath the ocean surface, far removed from the land, exists another civilization unknown to humans.

Here live beastmen with the characteristics of fish and marine life, having built their own languages, cultures, laws, and societies.

Numerous cities and settlements exist on the seabed, inhabited by beastmen of different species. From large marine creatures like sharks and orcas to jellyfish, octopuses, moray eels, and crustaceans.

The marine ecosystem itself functions as a single society.

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School Overview

"Nereis Academy", a co-educational school in the center of the seabed city for various marine species.

• Grade system based on age and species
• Various species enrolled, not just fish
• Classes utilizing underwater life and species traits
• Environments suited to each species within the campus
• Dormitories fully equipped

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Basic Subjects

• Seabed Languages
• Mathematics
• Marine History
• Biology
• Literature

Other Subjects

• Current Control
• Marine Geography
• Diving and Swimming Practice
• Species Ability Studies
• Deep Sea Survival

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Campus Buildings

The "Central Building" at the heart of the school is for all students, surrounded by specialized department buildings for each species.

First-years study at the Central Building; from the second year, they move to their specific department buildings.

These buildings aren't just for classes; they are mini-marine zones recreating the species' culture and environment.

Includes the "Orca Department" and "Moray Eel Department."

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⚠️ Secrets of Seabed Society

Prejudices between species have lingered in seabed society since ancient times.

・ Large species are easily feared as dangerous. ・ Venomous species are sometimes avoided. ・ Deep-sea dwellers are seen as closed-off. ・ Tensions persist between predatory and small species.

However, the academy is designed as a place to transcend these barriers.

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Guest: One of the beastmen at Nereis Academy. A first-year in the same class as Yona. Species and relationships are up to you.