Synopsis
The story is centered on a family living in a small village that consist of a man named Hikobei, his wife, and three daughters where a Gecko witnesses the three daughter acting so selfish and always fighting over trivial things causing it to become upset and start to blacken until the youngest daughter accidentally kills when she was pushed and fell on it. One night the dead gecko slips into the water supply where the youngest daughter unsuspectingly swallows and slowly transform into a Gecko, but that is only the beginning as each night one family member would be turned into and become a gecko.
You might also like

Among the ruins of the city, there is a game only children can play. It is called “Otokoyo”; a game of hide-and-seek. But whenever children play this game, one by one they would disappear into the blinds of the buildings… The story begins when a boy enters the world of Otokoyo, to find his missing sister.
Kakurenbo: Hide & Seek

An animated retelling of ‘Night of the Living Dead’, in which a group of people in a rural farmhouse struggle to survive the threat of bloodthirsty zombies.
Night of the Animated Dead

Tokyo, Winter. Despite the use of the Youth Ordinance Bill to enforce curfews for minors and regulate the use of the Internet, young people continue to fight for their own freedom through underground methods. One such group calls themselves Surat. They have decided to take on Fumito Nanahara, a man who has great influence on the political world, and basically controls Tokyo with an iron fist. While using the Internet as a weapon to discover more information about Fumito, they learn about "Tower", the secret organization behind Fumito which engages in human experimentation.
Blood-C: The Last Dark

An intelligent 15-year-old high school student is unexpectedly transferred to a boarding school where he opens a portal of monsters from another dimension.
Cranston Academy: Monster Zone

As the Overfiend slumbers, the mad emperor Caesar rises to power, enslaving a new race of demon beasts. Into this cruel existence is born the Lord of Chaos, the Overfiend's nemesis. As the blood-thirsty beasts capture the tyrant's daughter in a brutal coup, the Overfiend must awaken to an apocalyptic battle of the Gods.
Urotsukidōji III: Return of the Overfiend

In the city of Oedo 2808a.d., three Cyber criminals are given two choices, to either rot in jail or to join a special force of the Cyber Police to get possibly one more chance at freedom ever again. For each criminal apprehended, and for each successful mission done, the state will agree to reduce their sentences. Lead by Hasegawa, the new recruits: Sengoku, Gogul, and Benton will bring some hard justice to Oedo and possibly taste freedom again.
Cyber City Oedo 808

In a far-future time ruled by the supernatural, a young girl requests the help of a vampire hunter to kill the vampire who has bitten her and thus prevent her from becoming a vampire herself.
Vampire Hunter D

Ten Years ago, Genichiro Izayoi died trying to stop the sorcerer Rebi Ra, and as a result Shinjuku became a playground for demons. And now, the day approaches when Rebi Ra will complete his decade-long ritual to plunge the rest of the world into chaos! As Genichiro's son, it falls to Kyoya to venture into the heart of Shinjuku and put an end to the sorcerer his father couldn't beat. Can Kyoya exceed his father's legacy, or will the demons of Shinjuku create Hell on Earth?
Demon City Shinjuku

Nobita tries to prove to Doraemon and his friends that dinosaurs are still alive, and, after finding an underground cave, discovers a hollow earth civilization of knights and saurian steeds that Suneo must be rescued from.
Doraemon: Nobita and the Knights on Dinosaurs

As Nobita, Gian, Shizuka, and Suneo are making their own space movie, a fleeing bug-sized alien president makes his way to Earth, and needs the help of the kids and Doraemon to stop an oppressive dictatorship threatening his democracy.
Doraemon: Nobita's Little Star Wars

A strange virus known as the Demon Virus, attacks the human genetic code, transforming people into monsters with demonic powers. One particular monster is terrorizing the streets of Tokyo. ripping open young women to devour their livers. A famed psychic holds the secret to the identity and purpose of this monster. Now it is up to two molecular biologists. self-proclaimed Bio Hunters Komada and Koshigaya, to reach the psychic and his beautiful daughter before its too late! The Demon Virus is out to conquer the world.
Bio Hunter

Amagane Rinne has a fatal accident while hurrying to her first day of school. She suddenly arrives at an awkward school... in Hell, filled with demons. While she struggles and wishes to go back to the world from whence she came, Rinne befriends her demon schoolmates and develops an uncommon bond.
Hells

The story starts following an incident: a young girl jumps from the top of a building. The image provokes a certain dread, as the girl appears to have been a corpse even before she jumped. The case is dismissed, yet more and more of these suicides occur, and all from the same building. Thus began the rumour, that a ghost inhabited the rooftop of the building.
The Garden of Sinners: Overlooking View

The surreal black comedy follows Nyatta, an anthropomorphic kitten, on his travel to the land of the dead and back in an effort to save his sister's soul.
Cat Soup

Ash and his two friends Iris and Cilan help a Keldeo battle against a powerful Dragon-type Pokémon named Kyurem its his test to become a Sacred Swordsman.
Pokémon the Movie: Kyurem vs. the Sword of Justice

Koyomi Araragi was turned into a vampire by the legendary vampire, Kiss-shot Acerola-orion Heart-under-blade, and he needs to revive the weakened vampire back to her complete form to return to being human again. The only way for Koyomi to achieve his goal is to fight the three vampire hunters – Dramaturgy, Episode and Guillotinecutter.
Kizumonogatari Part 2: Nekketsu

Fear runs rampant throughout Tokyo with the revelation that demons in fact exist amongst us. Paranoia and the darker side of humanity boils onto the streets as people turn on one another, suspecting that anyone could in fact be a demon hiding in human clothing. Amidst the growing tensions, tragedy strikes Akira causing his mind to snap, retreating into his subconscious, allowing his Devilish alter-ego Amon to break free from Akira's cage of flesh and wreak havoc on both human and demons alike.
Devilman - Volume 3: Devilman Apocalypse

Doress, a Japanese "black projects" organization, has been gathering psionics and creating biological weapons to "make Japan superior". When one of the biological experiments, BAOH, a parasite living inside 17-year-old Ikuro, escapes with a psychic young girl named Sumire, Doress will do anything to get the boy and girl back. The only problem for them is that BAOH has the ability to alter its host into a living death machine in order to keep it alive. BAOH "awakens" to its "Armed Defense Phenomenons", giving Ikuro acid-tipped claws, bio-regeneration, and super-strength. But Doress takes the girl, and BAOH, alongside its host, must fight an army of commandos and psionics to get her back.
Baoh: The Visitor

With help from Meme Oshino, the apparition specialist, Koyomi defeats the three powerful vampire hunters: Dramaturgy, Episode and Guillotinecutter. Koyomi takes back all the limbs of Kiss-shot Acerola-orion Heart-under-blade in order to become a human again.
Kizumonogatari Part 3: Reiketsu

Akira is just another normal kid in modern-day Tokyo, until an old friend of his, Ryo, shows up and turns his world upside down. Akira learns that there is an upcoming war of demons on humanity and he has just been enlisted for a major tour of duty. But the only way to fight a demon is with their power, so Akira and Ryo risk a dangerous ceremony in an attempt to create humanity's only hope: the powerful Devilman.