The Future Diary

This psychological thriller, based on the manga written and illustrated by Sakae Esuno, is about Yuki, a loner who's not very good with people. He prefers to write a diary on his cell phone and talk to his imaginary friend, Deus Ex Machina – The God of Time and Space. However, Yuki soon learns that Deus is more than a figment of his imagination when he makes Yuki participate in a battle royale with eleven others. The contestants are given special diaries that can predict the future, each diary possessing unique features that give it both advantages and disadvantages. Within the next 90 days, the contestants must try to survive until there is only one left standing. The winner will become the new God of Time and Space. (Source: FUNimation)

Happy Sugar Life

Satou Matsuzaka is a beautiful high schooler who has a reputation for being permissive with men. However, a chance encounter with a young girl named Shio Koube makes Satou realize that this is her first and only true feeling of love. Telling others that she lives with her aunt, Satou secretly shares an apartment with Shio. Despite her innocent appearance, Satou is willing to do anything to protect her beloved, resorting to desperate measures to ensure that their "happy sugar life" remains intact. (Source: MAL Rewrite)

Death Parade

When two people die at the same time, they’re sent to a place that’s neither heaven nor hell—a lavish bar between worlds where the stakes are high and the rules are simple: if you win you live again, if you die… you’re gone for good. Decim is the bartender charged with serving the souls who enter Quindecim. He may make a mean cocktail, but his true profession is to play the role of arbiter—a judge who determines whether or not a soul is worthy of reincarnation. To aid in his judgment, the bar’s patrons are forced to play simple games laced with sadistic twists designed to bring their true natures to light. To Decim, judgment has always been black and white—that is—until he meets a mysterious young woman whose fate seems impossible to decide. His indecision shakes the very foundation of the games and raises the biggest question of all: Who is fit to judge the dead? (Source: Funimation)

When They Cry

After moving into the quiet town of Hinamizawa, Maebara Keiichi spends his days blissfully in school often playing games with his local friends. However, appearances can be deceiving. One fateful day, Keiichi stumbles upon news of a murder that had occurred in Hinamizawa. From this point on, horrific events unfold in front of Keiichi, as he soon learns his close friends may not be all that they seem. Based on the amateur mystery game by 07th Expansion, the story is told in a series of different scenarios.

Sankarea: Undying Love

Furuya's not interested in the living, he's got zombies on the brain! When Furuya's cat dies, he decides he's going to try and bring it back to life. In the process, he stumbles across a girl who is involved in an accident and turns into a real zombie! What's Furuya going to do now that the thing he loves the most is right in front of his eyes? (Source: FUNimation)

Deadman Wonderland

Ganta is the only survivor after a mysterious man in red slaughters a classroom full of teenagers. He's framed for the carnage, sentenced to die, and locked away in the most twisted prison ever built: Deadman Wonderland. And then it gets worse. At Deadman Wonderland, convicts are forced into brutal deathmatches for the amusement of the masses, the cheers of the crowd drowning out the screams of the dismembered. Even when Ganta befriends Shiro, an unusual female inmate, his dark fate crushes all hope —until he discovers the strange ability to wield his spilled blood as a weapon. Ganta learns his new skill might be related to the murderous man in red and uncovers disturbing secrets that could expose those who stole his freedom. He's determined to see justice served —but first he'll have to fight for his life in a prison that holds a million ways to die. (Source: FUNimation)

Danganronpa: The Animation

A group of 15 elite high school students are gathered at a very special, high class high school. To graduate from this high school essentially means you'll succeed in life, but graduating is very difficult. The school is presided over by a bear called Monokuma, and he explains to them that their graduation hinges around committing a murder. The only way to graduate is to kill one of your classmates and get away with it. If the other classmates discover the identity of the killer, the killer is the only one executed. However, if they fail to catch the killer, only the killer graduates and the others are annihilated. Which of the 15 will survive the bloodbath to come?

MAGICAL GIRL SITE

Asagiri Aya is a young girl who has fallen victim to bullies at her school. Looking for a way to escape her troubles, she looks to the internet for distraction, when a mysterious website called "Magical Girl Site" appears. Simply viewing the page is all it takes to hurtle Aya headlong into the deadly world of the Magical Girl Apocalypse. There, it’s fight or die, against a seemingly endless array of savagely adorable, frilly-skirted killing machines, each armed with magical powers and an unquenchable thirst for blood and chaos. (Source: Seven Seas Entertainment)

Another

When Kouichi Sakakibara transfers to a new school, he senses a frightening atmosphere in his new class, a secret none of them will talk about. At the center is the beautiful Mei Misaki. Kouichi is immediately drawn to her mysterious aura, but he begins to realize that no one else in the class is aware of her presence. Soon after his arrival, what is known as the Calamity begins, and it claims the lives of many students. (Source: Sentai Filmworks)

Devils' Line

Everything you thought you knew about vampires is wrong. They can walk in the daylight and holy water doesn't burn them. In fact, vampires can pass as normal humans so perfectly that even other vampires have trouble spotting them. Until they drink human blood, that is; then they transform into monstrous beasts who mindlessly rape and murder. But not all vampires are evil. The secret task force that patrols Tokyo's vampire population has several fanged operatives, including half-human Yuuki Anzai, who believes that his human heritage lets him resist his species' basest cravings. But after Yuuki rescues college student Tsukasa Taira from a vampire stalker, he realizes that he's succumbing to urges he's never felt before. (Source: Sentai Filmworks)

Talentless Nana

It is the year 20XX. Earth has been assaulted by monsters known as 'the Enemy of Humanity'. In order to deal with this threat, special schools comprised of teenagers with extraordinary abilities were formed. These people, who came to be known as 'the Talented', have abilities that defy the rules of reality. Among these superpowered individuals was an outlier, someone who was sent to one of these schools despite having no innate special abilities whatsoever. This is the story of our protagonist, who attempts to defeat the Enemies of Humanity through the use of intelligence and manipulation.

Corpse Party

Nine students gather in their high school at night to bid farewell to a friend. As is customary among many high school students, they perform a sort of ritual for them to remain friends forever, using small paper charms shaped like dolls. However, the students do not realize that these charms are connected to Heavenly Host Academy—an elementary school that was destroyed years ago after a series of gruesome murders took place, a school that rests under the foundation of their very own Kisaragi Academy. Now, trapped in an alternate dimension with vengeful ghosts of the past, the students must work together to escape—or join the spirits of the damned forever. A feast for mystery fanatics, gore-hounds, and horror fans alike, Corpse Party: Tortured Souls - Bougyakusareta Tamashii no Jukyou shows a sobering look at redemption, sacrifice, and how the past is always right behind, sometimes a little too close for comfort. (Source: MAL Rewrite)

Tasuketsu -Fate of the Majority-

Saneatsu Narita finds himself in a game of survival as half of the human population disappears each night! The game began suddenly. It was "Tasuketsu", a brutal survival game in which the majority is eliminated. In order to fight back against the immensely powerful emperor masterminding the game, young men and women create their own futures using the mysterious special ability known as "Special Right." (Source: Crunchyroll, edited)