In order to attain immortality, the Grim Reaper began devouring the souls of the people. To gather more souls, he created Larvae and unleashed them upon the world.

Cyan is a member of the Argent Cavaliers, an order of holy knights founded by the Grim Reaper's sister, Lemuria, that's dedicated to eradicating the Larvae. After meeting Jade, a descendent of the Reaper who is himself one of the Larvae, Cyan decides to leave the Cavaliers and join Jade on his hunt for the Grim Reaper, putting everything - including his humanity - on the line to save Lemuria, to whom he has pledged himself since childhood.

Love can change everything. ... Original webcomic: http://www.u17.com/comic/106369.html Please come visit this link if you like the story. Higher view count does benefit the author.

Kasuga Arata lived a normal life in a small town, together with childhood friend and his cousin, Hijiri Kasuga. However, everything changed on the day of the Black Sun. The Breakdown Phenomenon which ruined the town where he took Hijiri away and resides was caused by the Black Sun. As Hijiri begins evaporating, she hangs a grimoire to his neck, requesting it to protect Kasuga. On losing all of his other friends as well as family and Hijiri distressed, Kasuga asks for his planet to be great again, which contributes to the grimoire artificially re-building his regular life, and making him forget the destruction of the town and Hijiri's disappearance. Lilith Asami, a mage, is sent to investigate the ruins and she finds the powerful spell within their stead. She makes Kasuga recall the specific events and hence the enchantment is broken, not without the grimoire telling him that Hijiri is not dead. Kasuga decides that his only alternative will be to become a magus himself therefore Hijiri could be rescued by him and he therefore joins a secret school for mages that copes with magic dilemmas all over the world, the Royal Biblia Academy. There he is introduced together with the Trinity Seven, seven powerful female mages who are at the top of the respective disciplines (Lilith being one of them) who will aid him in his aim to become a strong wizard and discover the truth about Hijiri along with the Black Sun. He soon discovers that another of the Trinity Seven, Arin, looks almost exactly like his lost cousin although she shows a wholly different character.

In the nooks and crannies of the city, in the forgotten corners of rooms, insects are posing a growing threat! Where there are bugs, there is one girl! Her name is Inaho, and when it comes to bugs, this high school girl can solve any problem.

Aiko should be dead, but when she awakes in a secret hospital, she has no recollection of what happened that night. Until a monster showed up and her memories flood back. Her arm changed into a powerful weapon similar to the monster, a chimera arm.

The secret organization Atheos asked her to help them fight off the chimeras. An accident happened that led Aiko to understand how much she wants to live, and decided to join Atheos, in order to find her place.

From: Easy Going Scans

The prince of Szak territory, Iska, was misled and inadvertently released an ancient monster, Nue, while stealing the katana that had sealed it for 400 years! And the first victim of the monster is Iska's own father!

Because of his act, Iska is also cursed by an evil power… In order to make up for his mistake, he will embark on a dangerous journey with the stolen katana, chasing Nue to the end of the world to make him pay for his sins.

The legend tell that the only weapon that can kill Nue is the famous katana “Yukihira” which was manufactured by a demon of the Temma clan. Iska will try to find their village in order to learn more about Nue…

Note: This was originally published in French, hence the category Manfra below.

From Storm in Heaven:

In the town that Takada Chinatsu moved to, there's a legend about demons called Tsumitsuki that possess the feelings of guilt a person has over their sins. Those who are possessed are slowly devoured, body and mind, as the demon manifests. As one of Takada's friends starts acting strangely, her classmate Kuroe steps in to help... but his true motives are hidden behind a mask.

A high-tech adventure set in a digital world. Sam Flynn, when he was a child, has been told stories about a different world his father created. After 25 years of not seeing seeing his father, he enters his dad's arcade and finds himself pulled into the digital world of "TRON" where his father has been trapped and living for years. This is a life-and-death journey of an escape across a cyber universe that has become far more advanced and exceedingly dangerous.

Based on a movie

From Mango Scans:

The world is completely changed when “Sacred King”, the military satellite created by the scientist Arthur, loses control. Arthur’s personal army, the “Trance Knights” have broken up, and other organisations are attempting to take control of the satellite. In the midst of these events, Arthur’s daughter Ley, who holds the key to the “Sacred King”, encounters Gawain, one of Arthur’s former knights.

One of the manga that take place in the Touhou series (mainly known for the games by Team Shanghai Alice)

Based on a novel by Wada Ryou, Shinobi no Kuni brings a story that blends history and fiction as it shows the struggles happening during the 16th century in Iga, a region famous by the Iga Shinobi, the Dragonborns.

From Infinity Studios: Having been born in a secret government laboratory that cultivated esper (telepathic) powers within humans, Shuuichi and two sisters, Sumire and Katsumi, are forced to endure a difficult life as test subjects until their escape. Years later, these siblings are still being sought after by unknown organizations that are after Shuuichi powers as he is what they refer to as the “zero-sample” with the ability to cause “zero-shock.” Scanlated by Helz0ne http://helz0ne.zone-anime.com

Junko Tachibana, a manager of the baseball club of Wakaba High School, is the Madonna of the team. Sawamura, her first love, is an ace batter.Happy and sound love story.

*Included in Aa! Seishun no Koushien

From Tokyopop:

Chiyoharu used to be the leader of the troublemakers, until one day an innocent prank results in a major fire at the school. When his three cohorts take the blame and are expelled, Chiyoharu tries to go on with his mundane life, beating himself up with guilt. Then he meets the mysterious, muscle-man Souza of the North Wind and a ditzy self-proclaimed detective who are trying to solve the mystery behind Souza's amnesia...It's nonstop comedy and action from there!

In a post-apocalyptic world covered with water, Wadatsumi, a person who lives in what appears to be the last piece of land, finds a mysterious girl dragged by the waves of the sea. Where does she come from? Are there other lands in this world?

From Taruby:
After 'The Great Sinking,' civilization on Earth crumbled as the world was drowned in the ocean. One tiny band of survivors eke out a living atop the ruined remains of a skyscraper. Wadatsumi, a young tomboy, is saddled with the care of four elderly gentlemen, until a chance encounter with a group of pirates and a mysterious woman turn her world upside-down.

High-school student Kisaragi Maki has one dream: to be a normal wife. She’s part of a Yakuza family known as Group Kisaragi and her father is the third generation of the group - and he wants Maki to be the fourth generation! But Maki isn’t a ‘normal high school student’. She has a split personality which gets her into all sorts of trouble. Can Maki achieve her dream of being a ‘normal wife’?

A Spin-off of Hitman Reborn.

A girl follows the tradition of her family by testing to be a demon cleaner. During her test a vampire escapes and bites her. In order to reverse the effects of the bite her older brother and said vampire have to go on a demon cleaning job together.

Story about friendship and truth, with of course, a supernatural box.
Begins in a middle school where a mysterious box appears before some boys.

A high-school student named Yu Komori is bitten by a radioactive spider, which gave him spider-like powers. Yu faces Japanese versions of villains such as Electro, the Lizard and the Kangaroo. Yu also has an Aunt May (her name is "Mei"), and the publisher of the Joho newspaper is a counterpart to J. Jonah Jameson.

Note: 7 out of the 13 Japanese stories in total were fully translated by Marvel, with heavy edits to remove the violent scenes. After that the title was cancelled, which was a likely decision by Marvel since the stories written by Hirai departed even further from the source material, and included scenes of sexual and gruesome imagery of a kind not seen in the original US comic.