From Sweet Love:

It was her 16th birthday when Kurusu's classmate, Ogami, confessed to her. She’s delighted, but also feels very uncomfortable in relation to her friend Kiraha, whom she knows has a soft spot for this guy. But Kurusu doesn’t have any time to rejoice, because mysterious evil creatures suddenly appear and attack her!! Kurusu must face her destiny along with Ogami, whose role is to protect her. However, they can't tell Kiraha about the situation.

Set in a fictitious land during a medieval-like era of magic and fantasy, Tears to Tiara unfolds with the Divine Empire's rise to power as it conquers and rules lands far and wide.

On the island of Erin, still ruled by the Ancient Kingdom, the Goidelic people are attempting to sacrifice priestess Riannon to revive the protagonist, Demon King Arawn, to lead the resistance against the Empire. Although the ritual fails and Riannon survives, the seal imprisoning the demon king is broken and Arawn is resurrected.

Armed with mysterious and devastating powers and a human's demeanor, Arawn joins Riannon, her brother and battalion commander, Arthur, as well as their team of fighters comprising a swordsman, an archer and a quintet of magical pixies, in this epic struggle against the Divine Empire.

Demon brothers Tao Tie and Kui Long arrived at a village to receive a ritual sacrifice that happens every 10 years. Kui Long introduces himself as Wu Chen to a girl named Tan Hua. Turns out that Tan Hua actually died from an illness beforehand, but her brother, the doctor gave her a medicine to revive her so that she would be the sacrifice instead of him. Neither Kui Long nor Tan Hua knew each others role in the approaching ritual...

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.

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.

Based on the game and inspired by Norse mythology. Lenneth Valkyrie must find the souls of people who die tragic deaths, shape them into powerful warriors post-mortem, and send them to Valhalla for the final apocalyptic battle between the Ƴir and Vanir, Ragnarok.

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.

Nina, a wyndian princess, and her guardian Cray are searching everywhere for Nina's missing elder sister, Elina. While traveling to her last known whereabouts they suffer an accident. On her way to a nearby town, Nina meets Ryu, a seemingly amnesiac young man. This meeting triggers a series of events that will involve them with the godly race known as The Endless, immortal dragons with the power to shape the world itself.

Closely follows the storyline of the original game.

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

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

From Aerandria Scans:

"There once was a girl with a splendid flower blooming upon her chest."

When Lys was born, her heart did not beat at all. To save her, her mother made a contract with a devil: Lys can borrow his heart until the day she turns sixteen, but after that, he will eat her body. Together with her companion, Siva, someone whom she met by chance in the desert at night, she travels around as a dancer girl to find the devil who sealed her fate. One day, while they were traveling, they suddenly meet an egoistic prince and a ring spirit...

The continent of Halkeginia is tumultuous--a place where the various kingdoms, princedoms, dukedoms, and fiefdoms strive against each other to expand their domains. They nobility scheme and plot among themselves to gain influence to their lieges or to even foreign lieges. In the middle of Halkeginia is the small but important kingdom of Tristein. The most notable fact about this kingdom is the Tristein Academy of Magic where nobility from all over the world come to study magic so they can become magi. Although friendships will form across national boundaries at this school, will they survive the politics and games of the world at large once they leave?

Louise is a student at Tristein Magical Academy. She is known to be quite a screw up when it comes to her magic. One day, a ceremony takes place where each student is to call forth a being or entity that will become his or her familiar. For Louise, her familiar comes in the form of a boy named Hiraga Saito. Somehow, he managed to get transported from his world into hers, and shortly after became her familiar.

Atop the mountain, there lived a deity with a tiger in his household. A fair maiden ventured alone... to see the deity of the mountain.

The head of a village plagued by a man-eating tiger offers his daughter Hyeon-na to any man who successfully disposes of the tiger. Dismayed at being treated as a trophy, Hyeon-na sets out alone to the mountain where the tiger lives...

Ashihara Chihiro is a regular high school student. One day a man came to her and told her that she's actually a princess from another country in another dimension. Chihiro later found out that it was true, and in fact her own best friend and teacher were actually her guardians! Her country has been taken over by Raja, who is now king. Chihiro and her guardians come back to that dimension to take back their country. In her quest, Chihiro met other guardians and warriors who were willing to help her achieve her goal.

From Shinnen:

There are rumors of a grand treasure located within the local museum of Ashiwara and that this treasure requires a special key to unlock. But no one seems to know what this treasure is or even what the key looks like.

But Kei and Hikaru, two childhood friends, may inadvertently find out when someone seeks to claim the treasure for themselves and that action plunges their world into chaos.

While walking home from work one day, a doctor named Shuichiro notices an angel, Kohaku, stuck on a tree while being attacked by a crow. He rescues Kohaku and, in return, Kohaku offers to grant him a wish. However, Shuichiro is satisfied with his life - he has a decent home, good looks, and a well-paying job as a doctor - so he does not request anything. As Kohaku is honour-bound to grant the wish, she chooses to stay with him in his home, and helps with chores.

From Sweet Lunacy:

Armelia is an orphan girl who sings for work. One day, she met a boy, Luce, and fell in love with him. Unfortunately, Luce was kidnapped by the notorious pirate, Scar. Armelia swore to herself that one day she would rescue Luce. But the truth is not what she thought it was...

*Includes a side story called Haru wa Sakura:

Shou wants to be a doctor, but female doctors are forbidden. Takao is a delinquent, whose bad reputation is known by many. Somehow these two people cross paths and a connection is made. Was it just a chance meeting or will something more come out of it?

A collection of romance stories:

1) Alone in My King's Harem
A concubine falls head over heels for his king. But what happens when the king's ambitions blind him to that love?

2) Night Circus
Hibana, a troubled circus acrobat finds comfort in the arms of another of the circus' performers. But there are more twists to the story than Hibana's aerial acrobatics.

3) The Seabed of Night
A loving servant of a prince lets himself be put under a magic spell in order to spend one cherished night with him.

4) The Adventure of a Canary
A very unusual boy who is owned by an old woman who exploits his talents, and the young stranger who meets him and teaches him about love.

5) Mature Flesh (Michiru Hada)
The rumor "Hidaka will sleep with anyone" has come to the ear of council president. What will the president do about Hidaka?

6) Moist Flesh (Urumu Hada)
Sequel to Mature Flesh

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.