Movies Like Guinea Pig: Mermaid in the Manhole (1988)

Guinea Pig: Mermaid in the Manhole is a 1988 horror, romance film from Hideshi Hino with a MovieMagicScore of 5.3/10. Here are 20 similar films, ranked by real viewer ratings — starting with Colony and Obsession.

Horror Romance

Colony

2026

Professor Se-jeong is thrust into a bloody nightmare when a rapidly mutating virus is released during a biotech conference causing authorities to seal the facility. Trapped inside with no escape, Se-jeong along with a small group of survivors must fight to stay alive while the infected undergo horrific transformations.

8.1

MagicScore

Obsession

2026

After breaking the mysterious "One Wish Willow" to win his crush's heart, a hopeless romantic finds himself getting exactly what he asked for but soon discovers that some desires come at a dark, sinister price.

8.2

MagicScore

The Last House

2026

A family suddenly sealed inside their home must work together to survive against dwindling resources and the ominous threat keeping them trapped.

6.9

MagicScore

Hotel Desire

2011

Antonia is a single mother who works as a hotel maid in Berlin. A normal hot summer day takes a dramatic turn when she crosses paths with a particular guest of the hotel, famous blind portrait painter Julius Pass.

6.1

MagicScore

Evil Dead Burn

2026

After her husband's abrupt death, Alice seeks solace with his remaining family — descendants of a leading researcher on demonic possession. As her in-laws transform one by one into creatures that feed on fear, she comes to discover that the vows she took in life survive even in death.

7.9

MagicScore

Backrooms

2026

A strange doorway appears in the basement of a furniture showroom.

7.1

MagicScore

Soulm8te

2026

After a ruthless tech giant acquires a small robotics company, a grieving engineer is tasked with testing their new AI companion. But when he attempts to reprogram her to be a truly sentient soulmate, she develops needs of her own—unleashing a relentless spree of precision-engineered mayhem.

7.3

MagicScore

Your Heart Will Be Broken

2026

High school student Polina is saved from bullying at her new school and makes a deal with the main bully Bars: he must pretend to be her boyfriend and protect her, and she must do everything he says. During this game, the couple develops real feelings, but her family and classmates have reasons to separate the lovers.

7.1

MagicScore

Shape of My Heart

2024

A romance about a man and a woman who, due to an unexpected event, end up switching bodies. Despite coming from completely different backgrounds and environments, the two try to overcome the various difficulties that arise from their body swap.

6.2

MagicScore

#10

Skin. Like. Sun.

2009

Real-life young couple Wim and Floor spend an afternoon in the sunwashed rooms of a crumbling home in Belgium. In a unique twist, this artistic erotic documentary is edited in nearly real-time. In the slowness, we get the build, the sweetness, and the sexiness. Forget about fingersnapping fast editing. Slow is where it’s at.

6.1

MagicScore

#11

The Devil's Mouth

2026

A group of college friends' Thailand adventure turns deadly when they become trapped in submerged caves with a dangerous predator. As oxygen runs low, past conflicts emerge in their desperate fight for survival.

6.6

MagicScore

#12

Insidious: Out of the Further

2026

Gemma, a young mother raising her daughter in the house she grew up in, discovers she can travel into The Further, where she possesses an ability to bring what lives there back to the real world.

6.6

MagicScore

#13

Salitan

2024

A suspicious wife follows her husband in Bali. She meets a dashing man who captures her heart. She soon wants her husband to really have an affair to alleviate the guilt she is feeling.

4.7

MagicScore

#14

Pyaar Prema Kalyanam

2026

When a bride refuses to leave her family home after marriage, her husband must find out if he can adjust to life under his in-laws' roof.

7.0

MagicScore

#15

Mourning Wife

2001

Director Daisuke Goto, the master of the cinematic Pink Eiga, is back with this retelling of the classic film noir, The Postman Always Rings Twice. A married woman, tasked with running her handicapped husband’s failing printing business, meets a drifter and they fall in love. Soon a plan to murder the husband is put into motion and the forces of fate begin to show their hand. Featuring bravura filmmaking, fantastic performances and steamy sex, the Mourning Wife is a worthy follow up for any fan of Daisuke Goto’s masterpiece A Lonely Cow Weeps at Dawn.

4.5

MagicScore

#16

Leviticus

2026

Two teenage boys must escape a violent entity that takes the form of the person they desire most: each other.

6.7

MagicScore

#17

The Invite

2026

Joe and Angela's marriage is on thin ice. When they invite their enigmatic upstairs neighbors for a dinner party, the night spirals into unexpected places. Have they reignited the spark or lit the match that burns it all down?

7.4

MagicScore

#18

Yellow Eyes

2026

A young couple inherits a house containing a mysterious relic that hosts the spirit of a powerful demon, and the wife of the man it possesses must find an exorcist to save him.

4.3

MagicScore

#19

Vishwanath & Sons

2026

Sanjay Vishwanath is an acclaimed professional handgunner in his 40s with a major stake in fame and wealth. When he comes across a woman named Maddy in her 20s, their dynamic poses many issues that they must come to terms with.

8.4

MagicScore

#20

Camp Rock 3

2026

When Connect 3 loses their opening act for a major reunion tour, they return to their beloved Camp Rock to discover the next big thing. As campers vie for the chance to open for their favorite band, tensions rise and friendships are tested - leading to unexpected alliances, revelations, and romances.

6.4

MagicScore

Frequently asked

What are the best movies like Guinea Pig: Mermaid in the Manhole?

The top films similar to Guinea Pig: Mermaid in the Manhole by MovieMagicScore are Colony (8.1), Obsession (8.2), The Last House (6.9). Each shares horror/romance themes and is ranked by real viewer ratings, not critics or studios.

Is Guinea Pig: Mermaid in the Manhole worth watching?

Guinea Pig: Mermaid in the Manhole holds a MovieMagicScore of 5.3/10 from 67 viewer ratings.

What kind of movie is Guinea Pig: Mermaid in the Manhole?

Guinea Pig: Mermaid in the Manhole (1988) is a horror, romance film directed by Hideshi Hino, starring Shigeru Saiki, Mari Somei, Go Riju.

Where can I find more recommendations like Guinea Pig: Mermaid in the Manhole?

Browse the full ranked list above, or explore more horror recommendations on MovieMagicScore, where every list is ordered by genuine viewer ratings.

Keep exploring

Movies like Colony Movies like Obsession Movies like The Last House Movies like Hotel Desire Movies like Evil Dead Burn Movies like Backrooms

About movies like Guinea Pig: Mermaid in the Manhole

This ranked list pairs Guinea Pig: Mermaid in the Manhole (1988), a horror and romance film from Hideshi Hino, with similar titles by genre, theme and cast overlap (fans of Shigeru Saiki take note). Unlike critic-driven sites, every position here is ordered by MovieMagicScore — a rating built only from real viewers, with no studio marketing or paid placement. Scores update as more people rate, so the list stays current.

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