Yuu Haruna, a loner and an avid Twitter user, has just transferred to a new school in Tokyo. He ends up befriending a unique high school girl named Fuuka Akitsuki, despite some initial conflict, and the two wind up forming a band together with their classmates. Their relationship becomes strained however when Koyuki Hinashi, Yuu's childhood friend who has become a popular idol, contacts Yuu on Twitter and attempts to rekindle long lost feelings.

When he was a child, Murakami was friends with a girl he called Kuroneko. One day, while trying to prove the existence of aliens to Murakami, she is killed in an accident that he barely survives. Guilty of his role in the accident, Murokami decides to dedicate his life to proving that aliens exist. Then, one day, a new student with mysterious powers transfers into his class who not only looks a lot like Kuroneko, but is named Kuroha, Neko.

Itsuki Hashima is a light novelist obsessed with little sisters, strictly focusing on them when he writes his stories. Despite his personality, he's surrounded by a tight circle of friends, including a beautiful genius writer who loves him, a big-sisterly college classmate, a fellow male writer, a sadistic tax accountant, his editor, and Chihiro, his perfect younger step-brother who takes care of the housework and cooking. As the story progresses, the underlying conflicts of dreams and goals surface, as each character attempts to achieve their dreams, in their own way.

Dale is a cool, composed, and highly skilled adventurer who's made quite a name for himself despite his youth. One day on a job deep in the forest, he comes across a little devil girl who's almost wasted away. Unable to just leave her there to die, Dale takes her home and becomes her adoptive father.

Devil or not, Latina is beyond adorable, and the adventurer soon finds himself head over heels with being a parent. But why was she out in the forest to begin with, and why does she carry the mark of a criminal?

Long ago, Heroes had saved this world. Many Heroes fought against the powers of Destruction and protected the world. Years in the future… The Heroes had disappeared as the years passed and those possessing their powers called Successors now have the fate of the world in their hands. One of the elite Successors known as the Seven Knights is fighting an army of the Destruction when she saves a boy named Nemo. During the battle, Nemo awakens the powers of a Hero even he didn't know about and displays his powers as a Successor. But his Hero is someone who no one knew and no one ever spoke of.

The far future, when humanity is forced to flee Earth after an attack from mechanical lifeforms known as Weiss. These beings can be combated by Actresses: young women adept at using high-dimensional weapons known as Alice Gear. Under the supervision of AEGiS, private companies of Actresses head out into the universe to exterminate Weiss and save the human race from being doomed to wander the universe forever.

Germany was divided into East and West after WWII, where citizens of either treated the other side as enemies. In the midst of Cold War, however, the Earth was invaded by an alien life form landed on Kashgar, Xinjiang Uyghur Autonomous Region, known as "Beta." Now, ten years after the first contact, East Germany, formally German Democratic Republic, has become the front line.

Prepare yourself for an adventure of epic proportions. With warriors so skilled at battling questionable slimes and taming tumescent tentacles, there's no need for all that bulky armor.

Humans that have been physically altered and turned into dangerous weapons are known as the Extended. Juuzou Inui awakens as one of these weapons — with amnesia. But his job as an agent investigating the Extended leads to a mysterious child with Extended ties showing up at his office. Now Inui must keep the child away from street gangs and the megacorporation Berühren, and it won't be easy.

Misha is a little girl who lost her mother at an early age, and now lives with her father. Her father employs a maid named Tsubame, who was a former Self-Defense Force official, and is also a lolicon.

The reincarnation of Himiko, the former queen of Yamatai, has decided to wage war against all magatama wielders of Kanto. In order to recover her lost kingdom, she must gather the true Three Sacred Treasures of Japan.

When Himiko's ally, Asaemon Yamada, ruthlessly attacks Nanyou Academy—which possesses the sacred sword Himiko is after—Chuubou Sonken, Hakufu Sonsaku's newfound sister, awakens her dragon but loses consciousness. Determined to save her sibling, Hakufu must recover her magatama at the Jofuku Temple—a legendary place where she will receive training that may cost her her life.

As the frontier between the living and the dead starts to vanish in Jofuku, the warriors of the Kanto region will have to unite in order to foil Himiko's mysterious plans.

The magical hand of Himiko, the strongest in the Kanto region, approaches Kanto! "Magatama" is an accessory that contains the souls of heroes who lived in the Three Kingdoms of China and were scattered with the aim of unifying China.

In the continent of Astraea, a man falls from the sky, possessing no memories other than his name, Yuuki. An elf named Kokkoro finds him, introducing herself as his guide in the world they are about to traverse. With Kokkoro's guidance, Yuuki is able to learn how this world works, from battling monsters to handling currency.

To earn money for their journey, Yuuki and Kokkoro decide to go to a nearby guild association to accept a simple quest. In their expedition, they meet Pecorine, a somewhat gluttonous but charming girl skilled in battle. The next day, they also meet Karyl, a cat girl specializing in magic.

After some time, a bond of friendship and camaraderie forms between them, and the four decide to create a guild of their own. As they continue their adventures, they explore the world, meet new people, and will perhaps uncover the mysteries behind Yuuki's missing memories.

Hana Ichinose is a normal 16-year-old high school student. However, there is something different about her: She enrolled in high school one year late! Her classmates are unaware of this, and Hana will have to work hard to catch up with everyone else.

A Kiss Note is a powerful notebook that makes anyone who has their name written together will instantly fall in love if they kiss each other regardless of any circumstances. This magical and very familiar item belongs to an angel named Guri whose job as cupid is to create couples. However, she accidentally writes down Aino Seiji, a regular high school student, and unless he kisses someone, Guri will die. She convinces Seiji to go kiss his crush, Hiyama Akane, the school's popular girl who turns out has even stronger feelings for him, bordering on obsessive and psychotic. Eventually Akane and Seiji come together but not before Guri decides that she likes Seiji as well. What seems awesome to most guys becomes hell for Seiji who just wants a normal relationship with girls.

Arslan is the heir apparent of Pars, a strong nation that sits at the hear of the trade route connecting the East and the West. When the pagan nation of Lusitania begins an invasion of Pars, the timid Arslan is confronted with battle for the first time. His worst anxieties are realized the Parsian army falls for a Lusitanian stratagem and are routed. He barely escapes with his life, thanks to the loyal and indomitable warrior Daryun. Together they will stand against the invasion and the cruelties of fate that are about to blow down on Pars.

In the prosperous kingdom of Pars lies the Royal Capital of Ecbatana, a city of splendor and wonder, ruled by the undefeated and fearsome King Andragoras. Arslan is the young and curious prince of Pars who, despite his best efforts, doesn't seem to have what it takes to be a proper king like his father.

At the age of 14, Arslan goes to his first battle and loses everything as the blood-soaked mist of war gives way to scorching flames, bringing him to face the demise of his once glorious kingdom. However, it is Arslan's destiny to be a ruler, and despite the trials that face him, he must now embark on a journey to reclaim his fallen kingdom.