Gakuen Sensuikan-tai: Mermaid Girls

"Trenchwalkers," extraterrestrial beings that walk on the ocean floor, suddenly landed in Antarctica. Their climate-changing actions caused the sea level to rise by 70 meters and submerged Tokyo and other major cities in Japan. Furthermore, they began converting the water on the earth into…

• Format: MANGA
• Status: FINISHED
• Genres: Action, Sci-Fi

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