The everyday Sanyo family gets an unexpected surprise in the shape of a new lodger-Hattori is a ninja boy who has come down from the Iga mountains to attend normal school. Befriending Kenichi Sanyo, who is the same age as he, Hattori starts attending school undercover, occasionally accompanied by his brother, Shinzo, Shishimaru the ninja dog, and Kenichi's girlfriend, Yumeko. The gang is also threatened by the rival Koga ninja, Kemumaki, and his evil sidekick, Kagechiyo the Shadow-cat.

The everyday Sanyo family gets an unexpected surprise in the shape of a new lodger-Hattori is a ninja boy who has come down from the Iga mountains to attend normal school. Befriending Kenichi Sanyo, who is the same age as he, Hattori starts attending school undercover, occasionally accompanied by his brother, Shinzo, Shishimaru the ninja dog, and Kenichi's girlfriend, Yumeko. The gang is also threatened by the rival Koga ninja, Kemumaki, and his evil sidekick, Kagechiyo the Shadow-cat.

Joe Higan is a Nukenin – a former ninja who escaped his clan and is hiding from his violent past in rural America with his family. One night, he is ambushed by a team of assassins from his former organization who exact a bloody retribution on Joe and his family for betraying their ancient code. Rising from his seeming "death," Joe will re-emerge as his former self – Ninja Kamui – to avenge his family and friends. Kamui is a 21st century ninja, a shadowy anachronism who pits his ancient skills against high-tech weaponry with brutal finesse. He must face off against trained assassins, combat cyborgs, and rival ninjas to bring down the very clan that made him.

Joe Higan is a Nukenin – a former ninja who escaped his clan and is hiding from his violent past in rural America with his family. One night, he is ambushed by a team of assassins from his former organization who exact a bloody retribution on Joe and his family for betraying their ancient code. Rising from his seeming "death," Joe will re-emerge as his former self – Ninja Kamui – to avenge his family and friends. Kamui is a 21st century ninja, a shadowy anachronism who pits his ancient skills against high-tech weaponry with brutal finesse. He must face off against trained assassins, combat cyborgs, and rival ninjas to bring down the very clan that made him.

During Japan's feudal era, there was a war between two ninja clans: the Byakuro and the Kabusu. One night, the Kabusu staged a fierce attack on the Byakuro castle in hopes of kidnapping the clan's infant princess. Their mission was foiled when a loyal ninja of the Byakuro flees the attack with the princess and disappears, eventually raising her to be a ninja. Several years later, six ninja trainees are given a mission to infiltrate the Kabusu-occupied Byakuro castle and retrieve a sacred scroll to complete their training. But their skills are put to the test when they encounter three members of the Kabusu, who use dark sorcery in an attempt to once again capture the princess - who happens to be one of the trainees.

During Japan's feudal era, there was a war between two ninja clans: the Byakuro and the Kabusu. One night, the Kabusu staged a fierce attack on the Byakuro castle in hopes of kidnapping the clan's infant princess. Their mission was foiled when a loyal ninja of the Byakuro flees the attack with the princess and disappears, eventually raising her to be a ninja. Several years later, six ninja trainees are given a mission to infiltrate the Kabusu-occupied Byakuro castle and retrieve a sacred scroll to complete their training. But their skills are put to the test when they encounter three members of the Kabusu, who use dark sorcery in an attempt to once again capture the princess - who happens to be one of the trainees.

Shinobu is a naive ninja-in-training. In order to test her ninja abilites, she must steal the panties of all the high school girls. The first house she stops at is the abode of one Kaede Shiranui, who happens to catch Shinobu in the act. Kaeda is the voice of reason and the two girls become quick friends, despite a round yellow ball-thing who claims to be a ninja master and tries to get in the way of their friendship.

Kaede is a normal school girl who was studying for her exams for school when suddenly she is interrupted by Shinobu, a girl who is a ninja-in-training, attempting to complete her exam. The problem is, in order for her to successfully complete her exam, she must steal one of Kaede's panties! In Kaede's attempt to stop Shinobu from stealing her panties, an unexpected friendship is forged between the two. Kaede soon becomes engrossed in Shinobu's world, surrounded by partying ninjas and a yellow pac-man like thing by the name of Onsokumaru, who claims to be the master of all ninjas!

Ninja Resurrection follows the adventures of a young Jubei Yugyu on special assignment to the General of the Toyotomi clan. The volume begins with the introduction of Christianity in feudal Japan and how a young boy becomes the next Saviour. After being ousted for his religion, he continues to deliver his teachings to the world and eventually builds up a large following. Religious wars and persecution follow. Thus enters Jubei and his small group - sent to assassinate him since he is safely tucked away behind his fortress.

Ninja Senshi Tobikage tells the story of a boy named Joe Maya. One day, Joe, who lives on Mars, witnesses a battle between aliens. Those from Planet Zaboom are attacking the princess of Planet Radorio, she has escaped from the emperor of Zaboom who is scheming to conquer the universe and has crash landed on mars. Joe stumbles aboard the princesses ship, this starts a chain reaction of events that will alter their lives. Joe and his friends wield three powerful mecha beasts against the emperor of Zaboom and his forces, but the odds are stacked heavily against them. When all hope seems to be lost a mysterious ninja robot named Tobikage appears as if from nowhere to provide assitance, able to combine with the 3 mechanical beasts provides Tobikage with unmatched power, with his aide Joe fights the forces of Zaboom...

Fourteen years after defeating the immortal warrior Himuro Genma and thwarting the Shogun of the Dark’s evil plans, Kibagami Jubei continues to roam all over Japan as a masterless swordsman. During his journey, he meets Shigure, a priestess who has never seen the world outside her village. But when a group of demons destroys the village and kills everyone, Jubei becomes a prime target after acquiring the Dragon Jewel – a stone with an unknown origin. Meanwhile, Shigure – along with the monk Dakuan and a young thief named Tsubute – travels to the village of Yagyu. And with two demon clans now hunting down Shigure, Dakuan must once again acquire the services of Jubei to protect the Priestess of Light.

Feudal Japan — a time of danger, intrigue and deception. Jubei is a masterless ninja who travels the land alone, hiring his services to those with gold... or a worthy cause. His fearsome abilities have served him well, but a hideous plot to overthrow the government threatens to end his wandering ways and possibly his life.When a small village succumbs to a terrible plague, a team of ninjas are sent to investigate, and realize that all is not as it seems. Ambushed, they are wiped out by a fearsome man-monster with incredible powers, leaving only one alive — Kagero, a beautiful female ninja, whose touch can bring instant death. Jubei saves her from a fate worse than death, and unwittingly becomes drawn into the web of treachery. He is soon faced with his greatest challenge, an enemy for whom death holds no fear, with the power to destroy Jubei's world.