Kou Mitsuki is a gamer with god-tier skills, known online as Crim the Headhunter. Right when he starts testing his father’s latest game, Destiny Unchain Online, and the new device developed for it, the bug-ridden system transforms him in into a vampire girl! Everything changes for Kou as he meets new friends and they take on the game… The ultimate gamer adventure awaits! *Source: K Manga*

New York, 1927. In a corrupt city where crime rules the streets, Firo Prochainezo is in the Camorra, an Italian criminal syndicate distinct from the mafia. Though a member of the relatively small Martillo family, Firo has big ambitions and is determined to make his mark. But while the Martillos may not be the biggest bad guys on the block, they've got some distinct advantages working in their favor. Does Firo have what it takes to become a made man? Let the crazy ruckus begin! (Source: Yen Press)

On June 24, 1989, 21 people, among them children, were found poisoned to death in the elementary school of Otousu village in Hokkaido. Bungo Sano, a police officer of the same village, was arrested. Twenty eight years later, Sano’s son, Shin Tamura, starts to suspect that his father, who continues to plead his innocence even after being handed the death penalty, may have been wrongfully convicted, and launches his own investigation. Upon arriving at the crime scene, a thick fog descends, engulfing Shin, and he finds that he has slipped back in time to the year 1989. The curtain rises on this authentic crime suspense that transcends time and space in a confrontation with the truth. (Source: K Manga)

After a fire burns down his family business and claims the lives of his parents, the young heir and master carpenter Shigetsugu vows to rebuild the failing venture with his late father's words in mind: “No matter how much the times change, what's important is for our kind to have compassion and dedication.” And then Ritsu, a housemaid with no relatives to rely on, comes rolling into his life with a group of children from a welfare facility who have nowhere to go, thus begins the dramatic last-ditch way-of-life story of a shaggily bearded carpenter! (Source: Abrams Books)

Two miles up in the unforgiving heights of Mt. Owari, hikers and friends Asai and Ishikura are hit by a blizzard and lose their way. Injured and sure of his imminent death, Ishikura confesses to killing a member of their university hiking club five years ago. However, Asai then stumbles upon shelter and carries them both to safety, only to realize that the confession has forever changed their relationship—and that the brutal elements may no longer be the most deadly threat around. (Source: Kodansha USA)

Chris Watanabe is a high school teacher. When his father remarries, he finds himself with an English step-brother named Wataru. Wataru transfers to Chris' school, and just as the four of them are starting their new life together, their parents die in a plane crash. Now Chris and Wataru are living alone together. The elder is cute and the younger cool; what will their new life hold for them!? Source: Solaris

Naruto, a born troublemaker, has the worst grades of anyone at Ninja Academy. But he has big dreams and swears that someday he'll be a respected warrior and the leader of his village! After barely graduating from the academy, Naruto officially becomes a full-fledged ninja and starts accepting assignments. He's thrilled about embarking on his first big job, a bodyguard mission, but his enthusiasm soon turns to panic when his group is ambushed by the powerful, vicious Demon Brothers. Can Naruto triumph over these fearsome foes? (Source: VIZ Media)

Emeraldas navigates the sea of stars—and swears to do so until the flame of her life is extinguished. Aboard her ship, the Queen Emeraldas, she sails in search of a certain object, and along the way encounters the passions and tragedies of those who dare brave the infinite reaches of space. (Source: Kodansha Comics USA) Included one-shot: Volume 4: Emeraldus Versus Herlock

After seeing her family slaughtered, Aiko is surprised to wake up on a laboratory table, apparently intact. But when she notices the horribly disfigured arm grafted onto her body, she soon realizes that life as she knew it before the attack is now over. Infused with the DNA of a mysterious monster known as Chimera, the arm acts on the urges of its master — leaving Aiko powerless to stop it. Alone and frightened, how will she deal with this horrible fate? (Source: CMX)

Daughter of a brilliant professor, Asuna is a below-average student at Ecole du Ciel, where teachers and other students constantly belittle her. However, with the world spiraling toward war, Asuna's headed for a crash course in danger and love, as everyone prepares for combat... (Source: TOKYOPOP)

Shizuka is an introverted girl, dealing with schoolwork, boys, and a medical condition that begins to turn her invisible! She finds support with Mamoru, a boy who is falling for Shizuka despite her condition, and with Keiko, a woman who suffers from this illness and has finally turned completely invisible. The mysterious disease that the teens struggle with becomes a metaphor in the ordinary lives of the students in their classes, as they try to work their way through their friendships and romances. (Source: Dark Horse)

Following the events in Rules v3, a look at how Atori, Tooru, Hikaru, and Yuki are doing now that Atori and Yuki are college students . (Source: Liquid Passion) Complete information on the Rules series Timeline can be found in the Rules Synopsis.