| Title | Rating | Synopsis |
|---|---|---|
| I | ||
 Igano Kabamaru |
Unevaluated |
Kabamaru was orphaned at a young age and raised by his grandfather Saizō Igano, After the death of Saizou, Kabamaru's horribly strict grandfather and Iga ninja teacher, an old lady, Ran Ookubo, claims that she received a letter from him asking her to take care of his grandson. So Kabamaru runs off with Lady Ookubo to the big city Tokyo to gorge on yakisoba,On arriving, Kabamaru meets Mai Ookubo , Ran's granddaughter, who has lived with her, ever since the death of her parents. Kabamaru instantly takes a liking to Mai, but she finds his coarse manners and endless appetite embarrassing and repulsive, and attend a regular school—which turns out to have weird quirks of its own. |
| In the Heart of Kunoichi Tsubaki | Unevaluated | See Kunoichi Tsubaki no Mune no Uchi |
| I’m Living with an Otaku NEET Kunoichi!? | Unevaluated | See NEET Kunoichi to Nazeka Dousei Hajimemashita |
| J | ||
| Jigen Sengokushi: Kuro no Shishi - Jinnai Hen | Avoid | See Black Lion |
| Juubei Ninpucho - Ryuhogyoku-Hen | Rent | See Ninja Scroll Dragon Gem |
| K | ||
 Kage Kara Mamoru! |
Rent | Yuna Konyaku is a very stupid girl. Accident prone and unaware of most things that goes around her (She can't tell the difference between a boys bathroom and a girls) and the only reason she is still alive is because of her childhood friend Mamoru Kagemori (Mamo-kun). Mamoru usually is dressed in a school outfit and ugly glasses so no one realizes he is really Yuna's bodyguard. The reason for that is the Kagemori-clan are the ancient protectors of the Konyaku-clan (The Konyakus are Artists-of-legend and the Kagemoris are Shadow-Ninjas). With the help of his family (Mom, Dad, and ninja dog Bluemaru) Mamoru rescues Yuna from danger (Which is frequent) as well as keeping his Ninja skills secret from her friends and the rest of the school. |
 Kamui no Ken |
Watch | A young boy named Jiro finds his mother and sister murdered in his home. Falsely accused of the crime, he flees from his village and meets a priest named Tenkai, who has him kill a rogue ninja named Tarouza. After fulfilling that task, Jiro undergoes training to become a master assassin. Many years later, Jiro finds out that he was an orphan and his real father was Tarouza, who had worked for Tenkai until he aborted his mission when he fell in love with an Ainu woman. The young ninja discovers that the Shogunate was to retrieve the lost treasure of Captain Kidd and use it to once again isolate Japan from the rest of the world. Using the clues that Tarouza had kept secret, Jiro - along with the female ninja Oyuki and a slave named Sam - travels to Russia and America to search for the treasure in hopes of using it to extract revenge from Tenkai. |
| Kazemakase Tsukikage Ran | Rent | See Tsukikage Ran |
| King of Nabari | Watch | See Nabari no Ou |
 Kore wa Zombie Desu ka? |
Watch |
Aikawa Ayumu is a normal high school boy except for ome thing: he's a Zombie. One day he was killed by a serial killer and revived as a zombie by the necromancer Eucliwood Hellscythe. Furthermore, he happens to deprive the mahou shoujo Haruna of her magical power and she recruits him to fight against the anti-mahou shoujo system "Megalo" in her place. Somehow, Ayumu cannot avoid attracting a strange harem to himself! |
 Kunoichi Tsubaki no Mune no Uchi |
Unevaluated |
At this remote training camp for female Ninja, everyone knows that men are nothing but trouble. In fact, they are the mortal enemies of women, are dirty, gross and stupid, and should be avoided at all costs. Second year trainee Tsubaki is notified that two first-year girls who she is responsible for, Sazanka and Asagao, have gone missing, possibly to pick a fight with men who are known to exist on a nearby mountain. |
 Kurozuka |
Watch | A story of obsessive love and constant pursuit told over a 1000 year period. Escaping from a brother who had just ascended the throne, Yoshitsune, along with his servant, comes across a house in the middle of a desolate mountain. Oddly enough, only a young woman lives there, who seems to possess a very dark and ominous past. |
| L | ||
| Labyrinth Of Flames | Rent | See Honoo no Labyrinth |
 Log Horizon |
Watch |
Elder Tales is an online fantasy RPG that has become popular worldwide. But when its twelfth expansion package, "Cultivate the Noosphere," is installed, thirty thousand players in Japan are trapped inside. Among them is grad student Shiroe, who isn't very good at interacting with others. But to survive in a world full of monsters, he forms a guild called "Log Horizon" with an eclectic group of other players. |
| Lord of Lords Ryu Knight | Watch | See Haou Taikei Ryuu Knight |
Ninja: (Characters) If the anime deals with ↗Ninja or ↗Shinobi, then it goes here.
