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Undersea Aquarium

Status: Completed Type: Mature Released: 2026 Native Language: Japanese Posted by: Requiem Translations Posted on: February 10, 2026 Updated on: February 10, 2026 View:

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Fantasy Harem

This title has been categorized as 'mature', therefore may contain intense violence, blood/gore, sexual content and/or strong language that may not be appropriate for underage viewers.

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Synopsis Undersea Aquarium

One day, Mizunagi Sui, a high school girl who longs for death in the darkness, learns of an urban legend.
“The Aquarium that Swallows Everything”
It is a place that swallows and accumulates anything that wanders, wandering souls, and all kinds of concepts.
They will end up in hell.
It is a place where it is difficult to return alive, so she sets off in search of a place to die.