• Book Name: Sinner of the Azure Abyss Manga
• Alternative(s): Sinner of the Deep Sea
• Genre(s): Action Animals Romance Comedy Drama Fantasy
• Author(s): Tomi Akihito
• Year 2020
• Status: Completed Download Manga
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Summary: For many centuries, merfolk have lived in the depths of the ocean—4,000 meters below the surface—where humanity cannot find them. However, one mermaid\'s life is turned upside-down when her best friend falls for a human.