The four Yuzuki brothers—Hayato, Mikoto, Minato, and young Gakuto—lost their parents two years ago and now work to raise themselves. Together they live, learn, fight, and forgive as brothers should.
Madness and unawakening sleep, Randolph syndrome. This new illness is slowly but steadily approaching humanity, caused by the huge underground world Asylum that appeared in Antarctica. There are strange creatures different from the earth, and unknown resources. People bet their lives on the depths of the mysterious new world to get huge wealth, organizational plots, or their own ambitions. And here alone, a young man with a wish in his heart is trying to challenge the front line of Asylum.
In a world where memories can be stored like computer data, a young man named Kaiba searches for his lost memories and discovers a connection with a mysterious girl.
Ninomiya is an ordinary high school student who lives at home with his older sister Ryoko. However, Ninomiya's life ceases to be normal the moment a cute girl named Mayu descends into the middle of his school's campus in a military-grade helicopter. It turns out Ryoko sent this girl, along with her older brother Mikihiro, to live at the Ninomiya household.
The school love story is set at Baramon High School, a private boys' school for the prefecture's most elite. The protagonist is a seventeen year old boy who transfers into the school and meets various major players on campus, such as the outlaw teacher, the soccer captain, and a childhood friend whom the protagonist has not seen for seven years. The school presents opportunities for friendship, love and conflict, and changes are now bound to happen in the main character's life.
The once famous and well respected scientist Zorndyke has bred a new genre of living being, one that thrives on the oceans and lives to destroy humans. Zorndyke believes it is time that the humans were relieved of their rule of the earth. It is up to Blue Submarine No. 6 and the rest of the Blue fleet to put an end to Zorndyke's madness and creations.
Rin Tsuchimi, a normal seventeen-year-old second-year high school student finds himself sought after by a variety of girls. Eight years prior, he lost his parents in a car accident that also took the life of Kaede Fuyou's mother. From that point onwards, he began living with her. At around the same time he lost his parents, he met Lisianthus and Nerine at different times who each were accompanying their fathers on a diplomatic business in the human world. Each girl became lost after wandering through the human world. During that time, Rin befriended each girl after playing with them for a day. As a result of his kindness, Rin finds himself as the potential marriage candidate for both Lisianthus and Nerine, the daughters of the king of the gods and king of the demon worlds, who recently transfer to Rin's school.
Plug is a "Charger Girl" from a parallel dimension. Her job is to find depressed humans in our dimension and charge them up to revitalize their energy.
There is a world where fantastic beasts called "Spirals" are born from isolation. Those who can defeat the beasts are called "Periods." Haru is an apprentice Period who belongs to the Arc End 8th Branch. However, after a mysterious theft incident, there is an economic collapse, and the Arc End headquarters abandons the 8th Division, leaving only three Periods left, including Haru. Haru and the other two Periods start their work to rebuild the 8th Division.
After establishing contact with extraterrestrial civilizations, it was found that humans were the only race to develop various sports. The number of alien sports fans grew dramatically, and the most fanatic of them regularly harass stadiums for taking part in a game, or demanding a good show, etc. Finally a treaty was settled, ruling all interferences towards other planets' cultures illegal. Rabbit Force, a group of rabbit-themed henshin girls, became responsible for enforcing the treaty and capturing any offenders.
Tokyo in the 1970s. Evil spirits are threatening the human world and the only ones who can stop them are a group known as the Spirit Patrol. Sent from the underworld the team consists of the hot-headed Enma, the stuck-up Yukiko, the half-water sprite Kapael and Chapeau-jii — the old man spirit in the form of a hat, who guides the group. This may not bode well... though.
When a stray black cat named Kuro crosses Mahiru Shirota's path, the high school freshman's life will never be the same again. Kuro is, in fact, no ordinary feline, but a servamp: a servant vampire. While Mahiru's personal philosophy is one of non-intervention, he soon becomes embroiled in an ancient, altogether surreal conflict between vampires and humans.
About ten years after the Second World War, a group of juvenile offenders are sent to the Shounan Special Reform School, a kind of juvenile detention center, to deal with the atrocities and injustices they experienced in the war.
Nai searches for someone important to him, with only an abandoned bracelet as a clue. Gareki steals and pick-pockets to get by from day to day. The two meet in a strange mansion where they are set-up, and soon become wanted criminals by military security operatives. When Nai and Gareki find themselves desperate in a hopeless predicament, they encounter none other than the country's most powerful defense organization - "Circus"!!
The Magic User’s Club is a group of five well-meaning misfits who do more than card tricks – they can use actual magic. And with that magic, they managed to defeat a giant ship from outer space! But their close encounter left an enormous cherry blossom tree right in the middle of the city. It’s so big that it blocks out the sun!
Takeo Takakura, the club's noble (but perverted) president, calls a special Sunday meeting to take care of the tree. It seems simple enough, but when magic is involved, nothing ever goes according to plan…
Welcome to Maebashi City, Gunma Prefecture. For first-year high school student Yuina Akagi, her middling life takes a wild turn the moment a mysterious frog named Keroppe shows up and asks her, “Why don’t you become a witch?” Alongside Azu Niisato, Kyoka Kitahara, Choco Mitsumata, and Mai Kamiizumi, Yuina and her friends are excited to make people’s dreams come true as the Maebashi Witches.
One day, a black box suddenly crashed into the house of the high school dropout Naoto Miura. Inside it was a female automaton. The endless cycle of failure and success.
The world that does change and the mankind that does not change. At a time where reality and fantasy are screaming, the encounters of these two make the gears of fate move!
Based on the popular strategy game, Minato has become the new president of the Kibou Company. In order to be a good president and help the company grow, he must lead his party of adventurers through the Gate and collect Kirakuri — a type of energy that is extremely valuable and fundamental to the city of Gatepia. However, there are other companies vying for the chance to gather the Kirakuri.
Kaoruko Moeta is a 15-year-old high school student and 4-panel manga artist. After moving to a dorm especially for female manga artists, she meets shoujo manga artist Koyume, teen romance manga artist Ruki, and shounen manga artist Tsubasa. Every day, they'll work all through the night trying to ink and finish their work!