# Guinea Pig: Mermaid in the Manhole (1988)

> Source: <https://nextmovie4u.com/movie/guinea-pig-mermaid-in-the-manhole-1988/> · A film entry from **nextmovie4u**, the discovery engine for cinephiles tired of obvious picks. <https://nextmovie4u.com/>

**Original title**: *ザ・ギニーピッグ マンホールの中の人魚*
**Runtime**: 58 min
**Genres**: Horror, Romance
**Directed by**: Hideshi Hino
**Written by**: Hideshi Hino
**Starring**: Shigeru Saiki, Mari Somei, Go Riju, Masami Hisamoto, Tsuyoshi Toshishige

## Synopsis (in-house rewrite)

Sewage stench, shivering neon. A painter’s studio walls darken with drain-water murals. He rescues a malnourished mermaid from the muck, nurses her in a bathtub lined with cracked tiles, her silver failing to gleam.

**Mood tags**: body-horror, dread, surreal

## Similar films on nextmovie4u

<https://nextmovie4u.com/like/guinea-pig-mermaid-in-the-manhole-1988/> — niche-biased graph based on director DNA, keywords, and mood-cluster overlap. The companion page surfaces ~6 films most viewers haven't crossed.

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