21 stories
Date A Live
From Fandom: Shido Itsuka , a high school boy, was involved in a spacequake that wrecked his town and a girl in armor appears in front of him. Shido's adoptive sister, Kotori, tells him that the girl is a "Special Disasterous Designated Creature: Spirit", which causes a timespace quake. Kotori also discloses that she is the commander of the anti-spirit organization Ratatoskr and orders him to go out on a date with the spirit girl. Kotori says, "I’m not saying you should beat the spirit. Just let her fall in love with you and save the world."
The Testament of Sister New Devil
From Wikipedia: Basara Tojo is a high school student studying at Hijirigasaka Academy when his father Jin suddenly gets "remarried" and asks Basara if he wants to have sisters. Basara meets his two new, cute stepsisters, Mio Naruse and Maria Naruse. After his father departs overseas, Basara quickly finds that the two sisters are actually part of a demon clan, and he is meant to be with the hero clan. Mio, a Demon princess, forcibly attempts to make a master and servant contract with Basara, but Maria has it end up being the opposite, with Basara as the master. Basara then keeps getting into ecchi scenarios, largely to protect Mio from being pursued by other demons who are after her heritage, which is passed down from the former Demon Lord Wilbert.
High School DxD series
Issei Hyoudou, a normal, albeit perverted high school student attending Kuoh Academy who aspires to be a “Harem King”, was asked out on a date by a girl one day, but following on the day of their date, Issei, to his horrified shock, was ambushed and almost killed by that same girl, revealed to be a fallen angel. But a third-year student of Kuoh, Rias Gremory, intervenes to ward off Issei’s assailant and save his life by reviving him. The following morning, Issei wakes up to find Rias lying beside him in his bed IN THE NUDE! Revealing herself to be a devil, she explained to Issei the nature of his survival: upon being revived, he was therefore reincarnated as a devil as well and has now become Rias’ servant in the process.
Highschool of the Dead
The world has been struck by a deadly pandemic of mysterious origins that turns humans into zombies, referred to euphemistically as simply “them”. In present day Japan, the island country is engulfed in the ensuing catastrophic event known as the “Outbreak”, infecting countless people and turning into the walking dead. A group of high school students—consisting of leader Takashi Komuro, Rei Miyamoto, Saeko Busujima, Saya Takagi, and Kohta Hirano—along with the school nurse Shizuka Marikawa and recently orphaned young girl Alice Maresato and pet puppy Zeke, set out into a new world with a freshly grim, bleak and terrifying reality, as they continually fight to survive another day, scavenging for resources, finding safe shelter, and meeting new allies as well as fighting dangerous enemies that threaten their daily survival.
Strike the Blood (Funimation)
From Wikipedia: On Itogami Island, a man-made island south of Japan which has developed into a monster and demon sanctuary, Kojo Akatsuki is suspected of being the Fourth Progenitor, a powerful vampire that could potentially disrupt the balance of power among the world's three ruling progenitors. Kojo was an ordinary high schooler before becoming a vampire and is reluctant to use the powers which he barely controls. Yukina Himeragi is a neophyte Sword Shaman whose first mission is to 'observe' him. Before long, Kojo is the centre of attention of many who are concerned about the risks he represents. Kojo and Yukina befriend various students and others, some of whom are attracted to Kojo, and whose situations drive his libido, which provides the source of much of his power.
Erased
From Wikipedia: The story follows Satoru Fujinuma, a young man living in Chiba who possesses an ability known as "Revival" that sends him back in time moments before a life-threatening incident, enabling him to prevent it from happening again. When his mother is murdered by an unknown assailant in his own home, Satoru's ability sends him back eighteen years into the past and Satoru is given the opportunity to not only save his mother, but also prevent a kidnapping incident that took the lives of three of his childhood friends.
Kiznaiver
From Wikipedia: Seven high school students are chosen to be a part of an experimental program that intends to promote world peace; the program creates bonds between people by forcing them to share each other's pain.
Monogatari series
Synopsis from Aniplex of America: Thanks to Meme Oshino, Koyomi Araragi, a high school student, is able to remain a human after coming across a female vampire... However, since the incident, Koyomi seems to meet girls who have an apparition-related issue. Hitagi Senjyogahara doesn’t weigh anything, Suruga Kanbaru’s right arm becomes like that of a monkey’s, and a young girl, Mayoi, cannot find her way home no matter how many times she tries. Koyomi, a Mr. Nice Guy, ends up helping each and every girl solve her problem with the help of Meme Oshino
Nisekoi
Raku Ichijo, a not-so-average high school student, is heir to a powerful crime family, the Shuei-gumi, who are engaged in a turf war with a rival family, Bee Hive. Raku aspires to date his crush Kosaki Onodera, but after his not-so-pleasant chance encounter with transfer student Chitoge Kirisaki, he discovers to his great dismay that the two rival families, one of them being his own, has brokered a truce of sorts with a ceasefire by marrying off their young heirs together, one of the two, aside from Raku, being the girl who transferred into his school and kneed him in his face, Chitoge! The begrudgingly agreed to the matrimonial engagement, and from then on the chaos of their false love life ensues!
Re:Zero – Starting Life in Another World
From Wikipedia: Subaru Natsuki is a NEET who is suddenly summoned to a fantasy-like world. Just after arriving, he is killed while trying to help a young elf he befriends, Emilia, who is a candidate to become the next ruler of the Kingdom of Lugunica, only to revive some hours in the past. After dying some times, Subaru realizes that he has the power to turn back time after his death. After successfully helping Emilia, Subaru starts living in her house as a butler. Out of gratitude and affection for Emilia, Subaru makes use of his newfound ability to protect her and help on her ambition to be successfully appointed as the next queen, also providing assistance to other friends he makes along the way, while suffering due to the pain inflicted on him every time he dies, and carrying along the memories of everything that happened before his power activates, which is forgotten by everybody except for him.
Keep Your Hands Off Eizouken!
From Wikipedia: First year high schooler Midori Asakusa loves anime so much, she insists that "concept is everything" in animation. While she spends her time doodling endless ideas and settings in her sketchbook, she hasn't taken the first step to creating anime, insisting that she can't do it alone. After Asakusa's money-loving best friend Sayaka Kanamori notices her genius and drive, and when it becomes clear that their classmate and charismatic fashion model Tsubame Mizusaki wants to be an animator, the energetic trio start an animation club. Together, the three aim to realize the "ultimate world" that exists in their minds, and come to see the power that fiction and imagination have on their lives and the world around them.
Strike the Blood (BangZoom!)
From Wikipedia: On Itogami Island, a man-made island south of Japan which has developed into a monster and demon sanctuary, Kojo Akatsuki is suspected of being the Fourth Progenitor, a powerful vampire that could potentially disrupt the balance of power among the world's three ruling progenitors. Kojo was an ordinary high schooler before becoming a vampire and is reluctant to use the powers which he barely controls. Yukina Himeragi is a neophyte Sword Shaman whose first mission is to 'observe' him. Before long, Kojo is the centre of attention of many who are concerned about the risks he represents. Kojo and Yukina befriend various students and others, some of whom are attracted to Kojo, and whose situations drive his libido, which provides the source of much of his power.
Symphogear series
From Wikipedia: Two idols, Tsubasa Kazanari and Kanade Amō, collectively known as Zwei Wing, battle against an alien race known as Noise using armor known as Symphogear, which uses the power of music to counteract the Noise's destructive capability. However, Kanade sacrifices herself to protect a girl named Hibiki Tachibana, who ends up with a piece of Kanade's Symphogear relic, Gungnir, embedded in her chest. Two years later, Hibiki awakens the power of the Gungnir relic inside her body, gaining the same Symphogear armor that Kanade had. Using the power of song, Hibiki and her fellow Symphogear wielders must fight to protect the innocent and defeat those who would use the Noise for evil.
Rascal Does Not Dream of Bunny Girl Senpai
Sakuta Azusagawa, a high school student of ill-repute, meets a girl, dressed in a bunny girl costume, who is unable to be seen by others except the former. Mai Sakurajima, a teenage actress, is intrigued by Sakuta’s ability to perceive her appearance unlike all the rest of the people in their surroundings. And so is Sakuta. His encounter with the (kinda) invisible bunny girl in a library spurs Sakuta to investigate and solve the mystery behind the phenomenon he dubs “Adolescence Syndrome”, and help Mai to be rid of it herself. Sakuta and Mai also encounter and help other girls who suffer as well from Adolescence Syndrome.
No. 6 (Funimation)
On one rainy day, in the city of No. 6, Shion, a 12-year-old boy born and raised in the elite and privileged area of the city, shelters a runaway boy around the same age as him, who introduced himself as Nezumi (lit. “rat, mouse”), and sooner than later departed his home and escaped to parts unknown. Shion’s life was never the same after that day, when his secret meeting was discovered by law enforcement authorities, and on the crime of harbouring a fugitive, he lost everything from his elite status in the high caste of society to his elite home and comfortable livelihood. That sets up events four years later when Shion, on his day at work, would make a shocking discovery of his own that would further challenge his perception of the city workings, and put his life and those of others in grave danger.
Death Note
Light Yagami, a gifted but disaffected high school student, comes across a mysterious notebook lying on the ground one day. Dubbed as the Death Note, Light discovers that it has the power to take the life of any person by just writing said person’s full name. Intoxicated by the power over life and death that he wields, Light, adopting the moniker “Kira”, subsequently uses it to go on a murder spree, killing anyone he deems morally unfit to life, and in his twisted sense of justice and ambition, strives to establish a utopia free of crime, corruption, and war. Working to stop Light (who they don’t know is Kira) and end his reign of terror is an elite task-force of law enforcement officials that consists of members of the Japanese police force, led by the enigmatic detective, L.
Black Lagoon
Rokuro Okajima is a run-of-the-mill salaryman who is down on his luck in his life and career. As if his current misfortune wasn’t bad enough, he was kidnapped by a mercenary crew which raided a ship he was on. Whisked away to what uncertain fate lies before him, he finds himself arriving at the harbor city of Roanpur, located somewhere in Thailand by Cambodia, where organized crime runs its streets and everyday livelihoods, and the criminal denizens call home. Following one misadventure after another, with nowhere else to go and no one else to turn to, Rock has since decided to join the crew, dubbed the Lagoon Company, on its many exploits, most often violent and explosive at times. With Rokuro, now dubbed “Rock”, as an additional member, the group consists of gunslinger Revy, captain and lead man Dutch, and computer whiz Benny, and they take to the seas on a torpedo boat called the Black Lagoon, dealing in shipments of cargo and other varieties of missions.
Inuyashiki
Ichiro Inuyashiki is a 58-year-old salaryman, with the aged physique of a 70-year-old, whose unfulfilling livelihood, his neglectful family, and a recent diagnosis of a terminal illness, has pushed him to the brink of hopelessness and despair. That is, until one night when a blinding light (an alien spaceship?) crashed into him and killed him. He awoke the following day to discover that he has been turned into a powerful, though intricately human-looking cyborg by mysterious means. Upon realizing the extent of his powers, and using them to rescue a homeless man from a vicious group of teenagers, he decides to use them to do good deeds, ranging from healing people with incurable diseases and fighting crime in his home city.
Sing “Yesterday” for Me
From Wiki article: After graduating college, Rikuo Uozumi, a man with an apathetic outlook on life, takes on a job at a local convenience store. The days pass by uneventfully for Rikuo until he comes across his former crush and classmate Shinako Morinome, and the unusual Haru Nonaka with her pet raven, Kansuke.
Jujutsu Kaisen
Taken from JJK wikia: “Yuji Itadori is a genius at track and field. But he has zero interest running around in circles, he's happy as a clam in the Occult Research Club. Although he's only in the club for kicks, things get serious when a real spirit shows up at school! When his grandfather is on his deathbed, Yuji makes a promise to him; that he will do kind deeds so that he dies surrounded by loved ones, unlike his grandfather. However, Yuji's life takes a sudden turn as he meets Megumi Fushiguro, a shaman who tries to retrieve a cursed object. When Yuji's friends open the cursed object that they found, things go south as the cursed spirits that it spawned start roaming in school. As Fushiguro and Yuji are almost defeated by one of the spirits, Yuji then swallows the cursed object and gains its power. As a result, Yuji becomes cursed by the object and gets dragged into Fushiguro's thrilling world of shamans and cursed spirits.”
