15 Movies Like Guinea Pig: Mermaid in the Manhole

In a brutal war between devils, hunters, and secret enemies, a mysterious girl named Reze has stepped into Denji's world, and he faces his deadliest battle yet, fueled by love in a world where survival knows no rules.

High schoolers Mitsuha and Taki are complete strangers living separate lives. But one night, they suddenly switch places. Mitsuha wakes up in Taki’s body, and he in hers. This bizarre occurrence continues to happen randomly, and the two must adjust their lives around each other.

A woman gets caught by the wife of her lover which results in a stabbing. Feeling guilty she runs away and joins a nunnery. But she soon discovers that several nuns and a well known author have turned the place into their own personal S&M playground.

Shouya Ishida starts bullying the new girl in class, Shouko Nishimiya, because she is deaf. But as the teasing continues, the rest of the class starts to turn on Shouya for his lack of compassion. When they leave elementary school, Shouko and Shouya do not speak to each other again... until an older, wiser Shouya, tormented by his past behaviour, decides he must see Shouko once more. He wants to atone for his sins, but is it already too late...?

Years into their relationship, Tim and Millie find themselves at a crossroads as they move to the country, abandoning all that is familiar in their lives except each other. With tensions already flaring, a nightmarish encounter with a mysterious, unnatural force threatens to corrupt their lives, their love, and their flesh.

In postwar Japan, Godzilla brings new devastation to an already scorched landscape. With no military intervention or government help in sight, the survivors must join together in the face of despair and fight back against an unrelenting horror.

A man trapped in an endless sterile subway passageway sets out to find Exit 8. The rules of his quest are simple: do not overlook anything out of the ordinary. If you discover an anomaly, turn back immediately. If you don’t, carry on. Then leave from Exit 8. But even a single oversight will send him back to the beginning. Will he ever reach his goal and escape this infinite corridor?

Yasuko, a housewife, lives in an urban high-rise apartment with her husband Satoru and her son Takuto. Annoyed by spam calls and door-to-door salesmen, Yasuko slams the door on a salesman’s hand when he tries to squeeze a flyer through the apartment's chained front door. He leaves, but the next day, her nightmare starts.

After losing their child, a mother finds solace in a life-sized ancient doll she finds on the market. When a new daughter enters the family's life, strange things begin to happen and no matter how hard the family tries to get rid of it, the doll always finds its way back.

A passionate telling of the story of Sada Abe, a woman whose affair with her master led to an obsessive and ultimately destructive sexual relationship.

Masked thugs torture an innocent woman in increasingly brutal ways.

After losing her parents, young flower selling Midori is put up by a fairground group. She is abused and forced to slavery, until the arrival of an enigmatic magician of short stature, who gives her hope for a better future.

The summer of his high school freshman year, Hodaka runs away from his remote island home to Tokyo, and quickly finds himself pushed to his financial and personal limits. The weather is unusually gloomy and rainy every day, as if taking its cue from his life. After many days of solitude, he finally finds work as a freelance writer for a mysterious occult magazine. Then, one day, Hodaka meets Hina on a busy street corner. This bright and strong-willed girl possesses a strange and wonderful ability: the power to stop the rain and clear the sky.

Miyako starts a live-in maid job and quickly discovers that housecleaning is the least of her duties, as her employers use the maids in their twisted fantasies. Her co-worker Mai-chan, who can miraculously recover from any injury, becomes the focus of horrific, indulgent violence that Miyako is soon drawn into.

Two years after the events of the Fourth Great Ninja War, the moon that Hagoromo Otsutsuki created long ago to seal away the Gedo Statue begins to descend towards the world, threatening to become a meteor that would destroy everything on impact. Amidst this crisis, a direct descendant of Kaguya Otsutsuki named Toneri Otsutsuki attempts to kidnap Hinata Hyuga but ends up abducting her younger sister Hanabi. Naruto and his allies now mount a rescue mission before finding themselves embroiled in a final battle to decide the fate of everything.