20 Best Anime series like Monster (2004)

Shinichi Izumi is a normal high school boy whose right hand has become infected with an alien parasite that names itself "Migi" ("right"). Migi is the first parasite to develop a symbiotic relationship with its host, as he and Shinichi slowly develop a grudging friendship. Migi isn't the only Parasite on earth, however, and as cases of Parasites killing humans begin to emerge, humans seek to kill off Parasites. Shinichi and Migi find themselves caught in between these two sides of the struggle over planet earth.

Yūri Katsuki carried all of Japan's hopes on his shoulders to win at the Gran Prix Finale ice skating competition, but suffered a crushing defeat. He returns home to Kyushu and half feels like he wants to retire, and half feels like he wants to continue ice skating. Suddenly the five-time consecutive world championship ice skater Victor Nikiforov appears before him with Yuri Plisetsky, a young Russian figure skater who is already defeating his seniors. Victor and both Yuris take up the challenge on an unprecedented Gran Prix series.

Twelve-year-old Gon Freecss one day discovers that the father he had always been told was dead was alive and well. His Father, Ging, is a Hunter—a member of society's elite with a license to go anywhere or do almost anything. Gon, determined to follow in his father's footsteps, decides to take the Hunter Examination and eventually find his father to prove himself as a Hunter in his own right. But on the way, he learns that there is more to becoming a Hunter than previously thought, and the challenges that he must face are considered the toughest in the world.

In a world powered by advanced technology, crime and action unfold in the archipelagic nation of Cremona. Genius investigator Keith Flick rejoins the royal police force just as serial killer "B" emerges. Mysterious youth Koku may be an ally, or a target.

Ergo Proxy is a science fiction suspense anime television series, produced by Manglobe, which premiered across Japan on 25 February 2006 on the WOWOW satellite network. It is directed by Shukō Murase, with screenplay by Dai Satō et al.. Ergo Proxy has been described as a dark sciencefiction mystery with philosophical underpinnings. It features a combination of 2D digital cel animation, 3D computer modeling, and digital special effects.

3 years after the ultimate life-or-death game with Teiai Group, Kaiji was entrapped by Teiai and again back in the underground, forced to do hard labour. One day, Kaiji wins a bet to get out of the underground with 1 million yen, and promises the other workers that he will save them. But to do so, he only has 14 days and needs 200 million yen! Kaiji meets his former rival Tonegawa and learns that there is a chance to turn the tables in the game. It was a monster casino machine that will make 1 billion yen if you win...

The one adored as the mother is not the real parent. The people living here together are not actual siblings. The Gracefield House is where orphaned children live. An irreplaceable home where 38 siblings and Mom live happy lives, even with no blood relations. However, their everyday life suddenly came to an abrupt end one day...

Lain is an avant-garde anime influenced by philosophical subjects such as reality, identity, and communication. The series focuses on Lain Iwakura, an adolescent girl living in suburban Japan, and her introduction to the Wired, a global communications network similar to the Internet.

During Prohibition, the law held no power and the mafia ruled the town. The story takes place in Lawless, a town thriving on black market sales of illicitly brewed liquor. Avilio returns to Lawless after some time away, following the murder of his family in a mafia dispute there. One day, Avilio receives a letter from a mysterious sender, prompting him to return to Lawless for revenge. He then infiltrates the Vanetti family, the ones responsible for his family's murder, and sets about befriending the don's son, Nero, to set his vengeance in motion. Killing brings more killing, and revenge spawns more revenge. How will the 91-day story of these men guided by a tragic fate end? (Source: Crunchyroll)

The story revolves around a first-year high school student, Teiichi Niiya who had just enrolled at Seikyou Private Academy. When he gets lost in one of the school's old building, he meets a girl named Yuuko Kanoe who reveals herself as a ghost with no memories. Teiichi then decides to investigate her death by delving deep into the infamous Seven Mysteries of the storied school along with Kirie Kanoe, Yuuko's relative, and the oblivious second year Momoe Okonogi. Throughout the story, Teiichi and Yuuko discover the truth about these ghost stories and help those who are troubled all the while inching closer to the truth behind Yuuko's death.

Shion no Ō, subtitled The Flowers of Hard Blood, is a Japanese mystery manga written by Masaru Katori and illustrated by Jiro Ando. It is published by Kodansha in the seinen manga magazine Afternoon, and is collected in eight bound volumes. It has been adapted as a twenty-two episode anime television series by Studio Deen, which aired in Japan between October 2007 and March 2008. A video game for the Nintendo DS was released on April 10, 2008 by Mainichi Communications.

We don't have an overview translated in English. Help us expand our database by adding one.

The "paranormal science" story follows nine idiosyncratic individuals, linked by the "Choujou Kagaku Kirikiri Basara" occult summary blog run by 17-year-old second-year high school student Yuuta Gamon. Little incongruities that occur around these nine eventually lead to a larger, unimaginable event that may alter what is considered common sense in this world.

The Diclonius, a mutated homo sapien that is said to be selected by God and will eventually become the destruction of mankind, possesses two horns in their heads, and has a "sixth sense" which gives it telekinetic abilities. Due to this dangerous power, they have been captured and isolated in laboratories by the government. Lucy, a young and psychotic Diclonius, manages to break free of her confines and brutally murder most of the guards in the laboratory, only to get shot in the head as she makes her escape. She survives and manages to drift along to a beach, where two teenagers named Kouta and Yuka discovers her. Having lost her memories, she was named after the only thing that she can now say, "Nyuu," and the two allow her to stay at Kouta's home. However, it appears that the evil "Lucy" is not dead just yet...

Inuyashiki Ichirou is down on his luck. While only 58 years old, his geriatric looks often have him written off as a pathetic old man by the world around him and he’s constantly ignored and disrespected by his family despite all that he’s done to support them. On top of everything else, his doctor has revealed that he has cancer and it appears that he has little time left in this world. But just when it seems things couldn’t get any worse, a blinding light in the night sky strikes the earth where Ichirou stands. He later wakes up to find himself unscathed, but he soon starts to notice that there’s something… different about himself. However, it turns out that these strange, new changes are just what Ichirou needs to take a new lease on life and now it seems like there’s nothing to stop him from being a hero worthy of the respect that he never had before… unless, that is, there was someone else out there with these same changes…

There is an urban legend that tells of a shinigami that can release people from the pain they are suffering. This "Angel of Death" has a name—Boogiepop. And the legends are true. Boogiepop is real. When a rash of disappearances involving female students breaks out at Shinyo Academy, the police and faculty assume they just have a bunch of runaways on their hands. Yet some students know better. Something mysterious and foul is afoot. Is it Boogiepop or something even more sinister...?

After losing their mother to a demon, two brothers grow up fighting supernatural beings.

"Rimuru Tempest" is the new name of a slime in a fantasy world taken by a former 37-year-old human Satou Mikami after he is killed by a passing robber. Broken free from ordinary, stale past life, his fresh adventure in a fantasy world as a slime monster with unique abilities begins.

When Kouichi Sasakibara transfers to his new school, he can sense something frightening in the atmosphere of his new class, a secret none of them will talk about. At the center is the beautiful girl Mei Misaki. Kouichi is immediately drawn to her mysterious aura, but then he begins to realize that no one else in the class is aware of her presence.

Psychic Detective Yakumo is a novel by Manabu Kaminaga published in Nihon Bungeisha with illustrations by Katoh Akatsuki and later in Kadokawa Bunko with cover illustrations by Yasushi Suzuki. The book has been adapted into two manga series, an anime, a live-action drama series and a stage play.

Nearly half the population of Sakurada, a small town near the Pacific Ocean, has some sort of unique power. These powers range from being able to enter the mind of a cat, to resetting the world back to a certain point in time in the past. There is a group known as the "Kanrikyoku" that controls and monitors the use of these powers. Asai Kei and Haruki Misora work for their school’s club called "Houshi" club, which execute any missions received from the Kanrikyoku. Misora has the ability to reset the world 3 days. This means that all events and any memory of the past 3 days that "could have" happened, never happened. Kei has the ability to "remember" the past. Even after Misora uses her powers to reset the world back 3 days, Kei will retain those 3 days in his memory. Combining their powers, these two solve missions issued by the Kanrikyoku.

We don't have an overview translated in English. Help us expand our database by adding one.

Hyakkaou Private Academy. An institution for the privileged with a very peculiar curriculum. You see, when you're the sons and daughters of the wealthiest of the wealthy, it's not athletic prowess or book smarts that keep you ahead. It's reading your opponent, the art of the deal. What better way to hone those skills than with a rigorous curriculum of gambling? At Hyakkaou Private Academy, the winners live like kings, and the losers are put through the wringer. But when Yumeko Jabami enrolls, she's gonna teach these kids what a high roller really looks like!

After a family tragedy turns her life upside down, 16-year-old high school student Tohru Honda takes matters into her own hands and moves out… into a tent! Unfortunately for her, she pitches her new home on private land belonging to the mysterious Soma clan, and it isn't long before the owners discover her secret. But, as Tohru quickly finds out when the family offers to take her in, the Somas have a secret of their own—when hugged by the opposite sex, they turn into the animals of the Chinese Zodiac!

24 people enter a survival game. Each has a device called an SCM (slave control method), which can make their opponent into their slave. Each person has their own reason for participating in the game.

Sotobamura is a small village with around 1300 residents; so small the village isn't even connected to a single highway. An isolated village in which old customs, such as the burial of the dead, are still practiced. One day, the bodies of three people are found dead. Although Ozaki Toshio, the village's lone doctor, feels uncertain, he treats the deaths as a normal occurrence. However, in the days following, the villagers start to die one after the other.

In an alternate version of the present, Tokyo has been decimated by a shocking terrorist attack, and the only hint to the identity of the culprit is a bizarre video uploaded to the internet. The police, baffled by this cryptic clue, are powerless to stop the paranoia spreading across the population. While the world searches for a criminal mastermind to blame for this tragedy, two mysterious children - children who shouldn't even exist - masterfully carry out their heinous plan. Cursed to walk through this world with the names Nine and Twelve, the two combine to form "Sphinx," a clandestine entity determine to wake the people from their slumber - and pull the trigger on this world.

Kogarashi has the ability to see supernatural, and has been possessed by ghosts since he was a kid but now he has learned to fight back against them! Unfortunately, he's now also very poor, homeless, and hoping for a happier, more normal, high school life. In his search for housing, he's introduced to a very cheap boarding house called Yuragi Manor, which was formerly a hot springs inn. It's so cheap because the house is haunted by the spirit of a high school student whose corpse was found there.Kogarashi doesn't think this is going to be a problem for him. Soon he finds that Yuragi Manor's ghost is a 16-year-old girl named Yuna, who lives in his room. Kogarashi has no desire to hurt a ghost girl, and instead he ends up agreeing to help her to figure out her unfinished business so that she can move onto the afterlife before turning evil. Once it is clear that he is fine with Yuna, the other tenants reveal their own secrets—his life in Yuragi Manor is going to be far from ordinary!

A high school student named Yachi Haruaki receives a mysterious, super-heavy black cube from his father overseas. That night, Haruaki wakes up to a suspicious noise in the kitchen, and he discovers a fully naked female thief of rice crackers. The girl, Fear, is the first of several surprises that Haruaki receives.

Scenery that we have never seen. Sounds that we have never heard. Scent that we have never smelled. Food that we have never tasted. And the surge of emotion that we have never experienced. This is the expedition of recollecting the pieces torn apart and sensation left alone. When we reach that place, what will we think? Howling, 40 degree angle. Raging, 50 degree angle. Shouting, 60 degree angle. A wilderness beyond the heavy sea. The furthest south, far from civilization. At the top of the Earth. We will find lights through the girls' eyes to live tomorrow.

One day, a city suddenly disappears. Takuya, a professional by-the-contract courier and lone wolf, meets Yuki, the only survivor from the city's extinction. The two rely on a message from Yuki's father, who was heard to be missing, and head toward the disappeared city, Lost. However, unexpected obstacles strike before the pair, with the reality especially shocking for Yuki. Before them are the feelings of those left behind, a mysterious group manipulating in the shadows, and unveiling the hidden conspiracy. Takuya and Yuki, who both were initially strangers, would deepen their bond during the journey and unravel the mystery of the Lost city.

In the 2030s Earth has been overrun by the Blue, which are mutated insect-like creatures that kill and harvest humans for food. Most of the surviving human race has moved to Second Earth, a huge spaceship that orbits the planet. Yuji and Marlene must work together to reach Second Earth and fight against the Blue.

Koudo Ikusei Senior High School is a leading prestigious school with state-of-the-art facilities where nearly 100% of students go on to university or find employment. The students there have the freedom to wear any hairstyle and bring any personal effects they desire. Koudo Ikusei is a paradise-like school, but the truth is that only the most superior of students receive favorable treatment. Ayanokouji Kiyotaka is a student of D-class, which is where the school dumps its "inferior" students in order to ridicule them. For a certain reason, Kiyotaka was careless on his entrance examination, and was put in D-class. After meeting Horikita Suzune and Kushida Kikyou, two other students in his class, Kiyotaka's situation begins to change.

Mireille Bouquet is a professional assassin, and a very good one at that. But when she follows up an E-mail from a young Japanese girl named Kirika Yumura, inviting her to take "a pilgrimage to the past", her life becomes even more dangerous than it already is. Now, with a haunting melody invoking the memory of an event long past, Mireille and Kirika decide to work together to find the truth about a thousand-year-old organization that has controlled both of their lives since before they were born. And the only clue in their search, the only thing Kirika remembers about herself, becomes their working codename: a name designating an ancient fate, of two maidens who reign over death—Noir.

There is a place after death that’s neither heaven nor hell. A bar that serves you one chance to win. You cannot leave until the game is over, and when it is, your life may be too. From Studio Madhouse (Death Note, Black Lagoon) comes a thrilling new series where the stakes are high and the rules are simple: your life is on the line.

Iwatani Naofumi was summoned into a parallel world along with 3 other people to become the world's Heroes. Each of the heroes respectively equipped with their own legendary equipment when summoned, Naofumi received the Legendary Shield as his weapon. Due to Naofumi's lack of charisma and experience he's labeled as the weakest, only to end up betrayed, falsely accused, and robbed by on the third day of adventure. Shunned by everyone from the king to peasants, Naofumi's thoughts were filled with nothing but vengeance and hatred. Thus, his destiny in a parallel World begins...

High schooler Yūta Iridatsu has experienced “astral projection” i.e. his spirit has been separated from his body. He woke up in a mansion named Koraikan and met a cat spirit named Chiranosuke, who told him “You must find the Sacred Tome of Koraikan in order to return to your physical body.” While searching through corridors of Koraikan, Yūta bumped into underpants of its female residents, and doing so would, eh, create some big trouble for planet Earth.

15 years ago, an unknown hyperspace gate opened over the Pacific. Beyond this gate lies Reto Semaani, a strange alternate world where fairies and monsters live.San Teresa City—a city where over two million immigrants live from both worlds. As a result, there are the haves and the have-nots. Here is the world's newest "city of dreams." But in the shadow of the chaos, crime is rampant: drugs, prostitution, and weapon trafficking. The detectives who stand up to these heinous crimes are in the San Teresa City Police. When the detective Kei Matoba and the alternate-world knight Tirana—two individuals who differ in gender, personality, and even world of origin—meet, an incident erupts. Two worlds. Two justices. From this, the curtain rises on a buddy police action story!

Set in a fictional European country in 1924, a Japanese exchange student meets a mysterious, brilliant girl who only leaves the library to sleep. Her brother, a detective, relies on her exceptional mind to solve difficult mysteries.

Tomie Kawakami is a femme fatale with long black hair and a beauty mark just under her left eye. She can seduce nearly any man, and drive them to murder as well, even though the victim is often Tomie herself. While one lover seeks to keep her for himself, another grows terrified of the immortal succubus. But soon they realize no matter how many times they kill her, the world will never be free of Tomie.

Chihayafuru is  about a school girl, Chihaya Ayase, who is inspired by a new classmate to take up Hyakunin Isshu karuta competitively.

The psychic suspense story revolves around people who possess the ability to infiltrate people's minds and manipulate memories. Their powers have been used in the underworld for covering up incidents, assassinations, and other deeds. These powers can not only destroy other people's spirits, but also corrupt the users' own hearts at the same time. The users had to protect their fragile and insecure hearts, as if chained to each other. They are called "pets" out of fear and despising.

Despite having drastically different personalities, high school boys Peco and Smile have been friends since childhood. Now, they’re both talented members of a table tennis club—but what happens when these sports lovers have to go up against each other in tournaments?