University students shipwrecked and forced to board a deserted island with a serial killer.

Tenka is a chad virgin sigma male who will use his di-- I mean his holy sword to defeat all the succubi because nonconsensual sex is wrong, kids. He teams up with the Holy Maiden Amelia (with an A) who also uses less-than-traditional weapons.

In a city overflowing with heinous crimes and violence, two girls make it their job to kill criminals who can not be dealt with by police.

On that day, suddenly, every single male virgin over the age of 18 started dying rapidly, causing a huge panic across Japan! Sex industry prices skyrocket overnight, forming angry mobs of terrified virgins, and the government knows not how to handle such an unprecedented crisis.

Enter our protagonist, 17-year old virgin Kurumi Eiri. He has to get laid before his 18th birthday, or he'll die! He hurriedly confesses to girls, only to be shot down without any hope. Is there any way for him to graduate from virginity?! What will the virgins do when death is staring them in the face?!

Alice Fujii still isn't having much fun. She survived an assault of psychotic bug-themed assassins at her school, but all the battles, the truth behind her family, the two betrayals from false friends who ended up dead and the loss of her Kumoito knife-gun took a toll on her mental state. As such, she spends her days alone splitting open the heads of the rapist zombies who overran Japan since the aforementioned incident. The Organization wants to hire her as their new Boss, and elsewhere her allies Gokiburi and Kabutomushi are looking for her. What will become of all this?

A high school freshman visits a former teacher of his who has become a shut-in. This teacher, a beautiful and doting woman, got him through middle school by providing moral support, but gave up teaching and has led a life of reclusiveness ever since. By accident, he catches her drinking blood and having an aversion to light, lending to the possibility that she may have become a vampire.

During the political upheavals and social strife at the end of the Tokugawa Shogunate in Japan (1855), two parent-less brothers Yukimura Shoutarou and Yukimura Gentarou struggle to survive in these turbulent times. With their only possession being their deceased father's sword and clinging onto the wisdom of their mother's final words, the brothers seek to embark on the Path of the Warrior: Sidooh.

Fei Yu Bei Tang, who was the heir of the Yanye royal family, was born and lost in the civil strife. Bei Tang had many near-death experiences and separations from loved ones, and after many times became numb to saying farewell. When Bei Tang felt as if all hope was dashed to pieces, the enemy country refugees adopted Bei Tang. The last descendants of the royal families reformed themselves, and intertwined with one another in the net woven by the bloody feud between the two countries and the redemption of familial love. To protect the beloved one, Bei Tang regained hope and embarked the way to redemption.

Twenty-four countries are locked in a century-long war, all vying for control of the island of Wakoku. A young girl named Hinowa joins the army of the Soukai nation in order to end the war once and for all, but is killed in battle. Now her daughter Hinata, takes up her name and plans to finish what her mother started.

The human army lost the battle with the vampires on Higanjima. Unable to prevent Miyabi's plan, Japan has become a vampire country. Six months later, there was a one-armed man fighting the vampires in abandoned Japan! The man's name is Akira Miyamoto. A warrior who had already tasted hell on Higanjima.

Riku experienced a lot of pain and tragedy in his early life. After his father's death, a former-boxer Yakuza man taught him how to do a basic punch, and that punch saved his life when he had to defend himself from his mom's drug dealer. He ended up taking the drug dealer's life, marking him as a killer. Criminals continued to come after him, leading to more tragedy for the people who attempted to care for him. All of this drove him to ask that same former boxer to teach him to become stronger, which led him to a rundown gym, his door to the world of pro boxing!

A group of very different people wake up together in the sealed environment of an abandoned school building. They include the college students Yumi and Reiji, a cabaret girl named Akane, an occult-obsessed salaryman named Yukitoshi, a punk factory worker named Toshio, an unemployed pedophile named Taichi, and a 9-year-old girl named Michika. The building in which they find themselves has running water, no food, and a timer set for seven days. When they find a cleaver and a hot pot in an upstairs classroom, they begin to guess the intention behind their imprisonment; they're meant to kill and eat one another to survive. In principle, they should be able to survive just by waiting out the seven days in hunger, but nothing is ever that simple.

The mafia boss of the Iwashi family is a high school girl named Konomi Minoko. But don’t let her appearance fool you; she has done and seen things normal citizens can’t even imagine. Under her control are two assassins who have gained legendary status for their deadliness and ability to get any job done. Ishikawa Rushia, codenamed Baret, uses a modified handgun that uses a custom made hollow point bullet that explodes the target from the inside. Shirato Marin, codenamed Francesca, uses a original weapon that is a mix between a throwing axe and battle axe. Both of them are Minoko’s high school classmates and seem like normal teenagers but are two of the most feared killers in the mob world who handle missions often involving other assassins and underground groups.

This story takes place a few years after Hoshino and Sudou have settled down together. Sudou's son Shouta is in high school now and so is his former classmate Daiki from elementary school. How has their relationship changed?

Shuichi Kagaya isn't human. He has an unnatural sense of smell, and can transform into an incredibly powerful beast... of sorts. He does all he can to avoid standing out and being discovered, but no good deed goes unpunished, and his decision to use his power to save a girl spells the end for his quiet life.

Kyouko is a 26-year-old daycare employee. While everyone around her is getting married, she spends her days lamenting over her lack of a love life.

One day, Kyouko impulsively decides to take part in a mixer after being invited by a colleague. There, she meets Yuusuke, a self-proclaimed unmotivated government employee. As he tends to a drunk Kyouko, she believes him to be kind, but then his personality suddenly changes...?!

Yamada Takashi lost his life in the snowy mountains—that is what he thought, but he then appeared in an unknown place; another world that looked like the game he played. Moreover there are many things that he doesn't know... While puzzled, he still retains the strongest class ability and is relieved.

High rank magician, "Wise man" Marius is still living till today.

Each chapter details a girl NTR /cheating on her boyfriend.

Her everyday life has been suddenly soiled by blood and humiliation. Cheerful and popular high-school girl, Shibuya Mei was transfered to the other world and without knowing the reason why, she was eaten to death by monsters inside there. She felt every bit of "dying" in the other world and when she finally died, she found herself back in her world. It happened many, many times over and over again. She felt as if she was about to go crazy from the pain and sorrowful memories, when she met a boy - Akiba Yugami. He freed the girl from the chains of the virtual world she found herself in, but he wasn't so good as she thought he was. This is the story of a young girl fighting for her dignity.

I was bullied by everyone, so in return I'm going to slaughter them all.
Taking inspiration from the 31 days of the calendar, the uber popular girl group Calendrier was formed. Behind the bubbly appearance, in the shadows, there is one member that is bullied by the others on a daily basis. "If you can't smile, then neither will the fans."
She is willing to do anything to regain the smile that was robbed by her group mates.

With 30 members as her opponents, this is the story of the crazy number 31.