From MangaHelpers:

An alternate story of "Robotics Notes." In 2019, childhood friends Yashio Kaito and Senomiya Akiho are together in their high school's robotics club, but it is in danger of being abolished. Akiho wants to preserve the club, as she feels like it is her last link to her older sister, a roboticist. Akiho has only Kaito to rely on, but he's more interested in the game "Kill Ballad Online." It turns out, though, that Kaito's obsession with Kill Ballad may come in handy for their robotics club, and there are other allies they'll meet along the way! [tethysdust]

In a magical land blessed with scenery, there lived a pair of twins. Gilbert, the younger brother, grew into an incredibly skilled toy-maker, whereas Gizel became a clumsy and unpopular nurse. While Gizel was alone with her thoughts, a major accident took place...

From http://aoc.moe/

4-koma manga based on the mobile game The iDOLM@STER Cinderella Girls.

Sun ken Rock Manga is a Japanese manga series illustrated and written by Boichi. A year after, Ken found that Yumin had actually became an officer in Korea. Yearning to view the girl he loved, Ken dropped out of high school become an officer just like Yumin and so that you can go to Korea. Though Ken was able to go to Korea, he found himself unable to become an officer and instead became a poor Shut in with occupation or no cash. From being mistreated with a bunch gang members after helping an old man, he was scouted by the head of a nearby gang headed by Tae-Soo Park who made him the manager that was new

The storyline revolves around Ken (the chief protagonist), a guy from an upper class family that was orphaned young because of his family's engagement with all the Yakuza; he became a highschool delinquent known for fighting. The thing that moves actions to be taken by him is through his amorous fondness Yumi, to get a classmate. At the first, the gang did not even have a foundation and solely consisted of few members. As the narrative advances The Sun ken Rock gang becomes larger as new members were recruited by them and take over other gangs' territories and investments. The Sun ken Rock Group gets an MMORPG firm, a substantial casino, among the greatest television media firms in Korea, in addition to garnering political favors (making them the strongest gang in Korea). Yet, throughout this, Ken has done his best to evade disclosing himself as a gang leader to Yumin as she despises gangs. In between the rise of Ken, Yumin and he got closer and Yumin began to have feelings for Ken. Nevertheless, matters were constantly complicated from the interference of either Ken's gang actions and the Yakuza links of Yumin. The collection, despite being quite adult-oriented, espouses many shonen-esque worth, including the need for camaraderie as well as the notion of being a "true man". Main characters in Sun ken rock manga
Ken Kitano :
high school delinquent as well as the main protagonist who leaves Japan in pursuit of his love, Yumin and drops out of school. While in Korea he lives his life as a shut in for a whole year being not able to locate a real occupation. After saving an old man from being killed by loan sharks, he was scouted and encouraged to join an area gang(gondal) to work under Taesoo as among his underlings. After fighting against Taesoo, he was offered the job of manager rather. He declined since he desired to join the police force alongside Yumin but Taesoo finally controls him into taking the position. His strength and awareness of justice earns him the devotion of the local community as well as his gang. Ken's parents were killed over the course of a Yakuza war when he was 13. The character design of Ken is greatly impacted from Vash of Trigun Manga.





Yumi "Yumin" Yoshizawa :
Ken's love interest, a daughter that left Japan to become a policeman in the section in charge of organized crime. Her true name is Yumi and she's really Japanese. She hates gangsters, after it's found that she's the daughter of a Japanese Yakuza Boss that killed the parents of Ken. When she was young, her hate of gangs is because of her mom and sister being killed by other Yakuza. As the daughter of a Yakuza leader, she is an extremely competent fighter and has mastered some martial arts. She also has feelings for Ken while not understanding he's an underworld leader. She's shocked when she discovers that Ken is the leader from Banphuong. Feeling betrayed in the beginning, she faces Ken to forgive him after an apology afterwards, after which she cheers him with Ban-Phuong about the duel. The two decide to assault her dad's headquarters, but determine to take off time in a favorite holiday hotspot and ultimately make love in a church in a thunderstorm

Other manga:
+ Read Dragon ball manga
+ Panlong manga

Japan is now the 51st state of the U.S.A..
The isle of Neon, located near Japan, is the only place where prostitution and gambling are legal. There, Italian Mafia, Chinese Triad and Yakuza fight each other to gain the control of casinos and brothels.

The story takes place at a high school that starts voting for the most popular kid, where losing the popularity contest means death.

Joan of Arc is revered as a hero of the Hundred Years' War and a saint of the Catholic Church. But her leadership and strength of character in her time did not escape the notice of Kyubey, who, even in the fifteenth-century, sought Magical Girl candidates for their valuable energies. With her friends and fellow Magical Girls fighting at her side, Joan fights the English occupiers of France--but will she soon find herself fighting something much more sinister?!

A side story of the larger Kamui Den series, Kamui Gaiden deals with the adventures of the fugitive ninja Kamui as he befriends a fisherman's family and battles antagonizing ninjas.

An expansion of the Strike Witches series, World Witches - Contrail of Witches details the short stories of various witches from areas of the European front of the Neuroi War.

Hachimitsu Private Academy was a revered and elite all-girls’ boarding school on the outskirts of Tokyo…once upon a time. But with the new school year comes a revision to school policy: Boys are to be admitted into the student body for the first time ever. But on his first day at Hachimitsu, Kiyoshi Fujino discovers that he’s one of only five boys enrolled at the school. Their numbers overwhelmed by the thousand girls in the student body, is it heaven or hell that awaits these five (un)fortunates?!

Note: Was one of two winners of the Best General Manga award alongside Gurazeni at the 37th Kodansha Manga Award in 2013.

A small group of adults have been invited to a reunion at their old high school to remember the loss of their classmate Kiriko, after receiving a letter "From K."

Not knowing who "K" is, Ryosuke, a young man with short black hair that used to know Kiriko, has to uncover the truth of Kiriko's mysterious death. As he slowly regains his memories and his fellow classmates start suddenly dying around him in the most horrific manner, he realises that it's far too late to say sorry.

14 year old Kimigawa Kento lives separated from his stepfather after his mothers death. A woman visits with a will sayings it's from his biological father. He refuses the will and she tells him the inheritance is approximately 1 trillion yen. He still doesn't what it and threatened with his friends family's jobs at the line he agrees to meet his relatives. But all isn't as it seems. When he arrives at the house they are attacked. And he finds out the true meaning of the will.

Ryuuko Matoi is a girl who travels with a single red scissor blade, searching for the wielder of the other blade who killed her father. She arrives at Honouji Academy, a high school that lives in fear. It is ruled over by the fearsome student council, led by the student council president, Satsuki Kiryuuin, who use powerful uniforms to crush anyone in their path. After suffering a crushing defeat at the hands of Satsuki, Ryuuko comes accross a possessed school uniform named Senketsu, who puts himself on Ryuuko, granting her special abilities. Teaming up with Senketsu, Ryuuko stands up against Satsuki and the student council to liberate Honnouji Academy from their iron grip and find out the truth behind her father's murder.

Taichi Yamada is what you would call a fan but he is not just any fan, he is a fan of Kokoro Shiina, a gravure model. Maybe it was fate that brought them together that day but Taichi met Kokoro when she literally fell from the sky. Waking up in the hospital, he begins to see Kokoro's spirit and after roaming the hospital premises a "shinigami" arrives to take Kokoro to the underworld. Is this the end for Kokoro? What will Taichi do to save his beloved idol?!

Seven years ago, Yuto's older sister vanished through a mysterious door, leaving him with only a necklace. Now he has once again seen that same door, and watched two mysterious girls (Saya and Hina) go through it. Eager for clues about his sister's disappearance, he and his pet cat follow them through. However, he soon finds there's a reason his sister wouldn't let him come with her. In the deadly world on the other side of the door, his ignorance leads to tragedy. Now Saya insists that he travel through the door once again, to search for a way to retrieve the lives that he caused to be lost during his first journey.

From Seven Seas:

Welcome to Ansullivan Dragonar Academy, a school with a difference: the students are dragon riders, each contracted with their own personal dragon. Ash Blake has the unique ability to ride anyone's dragon, but he's been waiting for what feels like forever for his own dragon to be born. He's thrilled when his dragon, Eco, finally appears--but she inexplicably takes the form of a beautiful human girl.

Eco's peculiar appearance is only the first unusual thing Ash faces. His life is about to become a whirlwind of spies, dragon races, and unexpected attention from both the proud Princess Sylvia and the beautiful president of the student council, Rebecca. All Ash wants is to acclimate Eco to the world, but someone out there wants his strange dragon on the dissecting table!

The first year middle school Student Council Chairpersons (iincho) come from different elementary schools and different backgrounds. These six cute, glasses-wearing middle school girls often fight, but they have a common enemy in the sexual-harassing Student Council President. Will they be able to do their job without being distracted by infighting or thwarted by the controlling Student Council President?

A poison-attribute heroine makes her appearance! This chaotic, high-school comedy focuses on the circumstances of this poisoned, poisonous girl and the unusual people surrounding her!