Highest Rated Manga

Detective School Q is the story of a group of young students from Class Q of Dan Detective School (DDS), a prestigious and renowned detective academy founded by Morihiko Dan, the most famous detective in Japan, and the adventures and mysteries they unfold and solve together. They eventually work against Pluto, a mysterious organization which creates almost fool-proof plans that only a handful of detectives can solve.
The story was written under the penname Amagi, Seimaru.
(Source: Wikipedia)

Meet Kuromine Asahi, "the man who can't lie". On the way home, he just learned an important secret. That his crush, Shiragami Youko, is actually a vampire!
Can Asahi actually keep her secret?
It's a fun, clumsy, one of a kind vampire romantic comedy!

Shy freshman college student Rikiya knows he likes guys, but has never been in a relationship, only able to look on without expressing his feelings. Living on his own for the first time he decides to try and change his life and joins a gay dating site. Everything seems perfect until he finds himself about to be attacked with nowhere to turn yet desperately hoping for help, when a guy crawls through the wall and says, "There's no helping it. What's your wish?"
(Source: MU)

The setting is Roubai Private Academy, a prestigious girls' middle school in the country. For Akebi Komichi, donning this school's sailor uniform is a dream come true. Her middle school dream life is finally beginning. Verdant open countryside vistas. The slowly flowing time of youth.

(Source MU)

Unable to sleep or find satisfaction in his daily life, Kou Yamori begins exploring the city at night, where he meets a strange girl who offers to help his insomnia by sleeping beside him.

(Source: MU)

The Great Shang dynasty has been in power for many years but the Gods find fault with the new emperor. Instead of submitting to their will at the expense of his people, the Emperor resolves to throw off the Gods' yolk and free humanity. However, not only the Gods but a rival, the young Zhou who submits to the Gods' will for his own purposes will face him!
The fate of the dynasty, nay, the fate of all humanity will be determined by this great battle between the forces of Heaven and Earth!
(Source: Easy Going Scans)

Kei-chan moves in with his old friend and lover, Mii-kun, in Tokyo. Their romantic mood keeps getting interrupted by quirky tenants at Mii-kun’s apartment, but there’s a bigger obstacle they must face to be become true lovers! (Source: Jmanga)

Feeling rebellious toward his overprotective mother, Soma Mitsuya, a first-year high school student, only cares about his violin and his hospitalized grandfather. On the night his grandfather’s condition suddenly worsens, an earthquake hits, sending Mitsuya to 1921 in the Taisho era…

(Source: Ivyscan)

The manga has been drawn and released by Souichirou Yamamoto @udon0531 on Twitter.
The author didn't plan to continue the manga at first, but he has decided to continue.
Since he has drawn the manga when he has free time, the update schedule is not stable.

(Source: Mangadex)

Yuurin, the daughter of a low ranking government officer, came to the royal palace after hearing of a job with higher wages. However, that job is to act as the bride of Haku Reishou, who is feared as being the ruthless and heartless "His Majesty, the Wolf". In the royal palace where conspiracies swirl, after learning His Majesty's secret, Yuurin ends up stuck being his temporary bride...!?
(Source: StarryHeaven)

Chiaki recently returned from America, enrolling into an all-girls school. Her brother used to tell her stories about a "Snow Black Princess" and her adventures in a magical kingdom before he died. Seeing an opportunity, two of her seniors try to install Brain Burst on her, only to be rejected. Turns out her brother already installed it three years ago on his deathbed, and is an unknowing Avatar.
(Source: TV Tropes)

Growing up in an environment full of all kinds of animals, there's only one animal that Shouhei loves and that's rabbits. Because of his love for rabbits, he sometimes helps out in a rabbit specialist shop. And there, he meets Mito Itsuki, his unrequited love. However, he has a secret he has to keep no matter what. Would he be able to keep that secret in order to stay close to the one he loves…?!

(Source: Canis Major Scanlation)

The story of Mix takes place in the same Meisei Gakuen high school as Touch, only it is set 26 years later. Like Touch, Mix revolves around brothers and baseball as a main theme.
(Source: ANN)

In middle school, Ichinose Kimitaka taught his friends how to play basketball. Despite his experience with the sport, his friends quickly outmatched him in skill. After an incident brought on by his frustration and jealousy, he was crushed to overhear those same 'friends' discussing how they wished he'd just kill himself.

On his way to toss out his special basketball shoes, he met a girl who was just as frustrated, throwing her own dancing shoes away. She was so tall, and her hands and feet are so large, that she had been rejected from her chosen hobby of Spanish dancing. He urged her to give basketball a try, and the two exchanged their shoes instead of throwing them away.

As he enters high school, Kimitaka learns that meeting him changed that girl's life for the better, and she is now a happy, social basketball player. Will Kimitaka be able to find the courage to make new friends and pursue his own talents?

(Source: MangaHelpers)

Souichi Negishi is a common boy, timid, quiet. He loves flowers, walking and musical hits like the ones that radios play. But he is also Krauzer II, leader of Detroy Metal City (DMC), the most popular underground metal band of Japan! Souichi would like to change his life and start to play Swedish pop songs with peaceful and loving lyrics instead of the violent and vulgar ones of DMC, but when he is playing with his band he completely changes his attitude and behavior...

A girl named Fuchinaka Haruka is afraid of everything man and only like cute things is obsessed with a bear mascot?!? Just who is inside this bear mascot?

Included one-shots:
Volume 1: Sabaku no Requiem; See you again.

Ragna is a dragon hunter along with his partner, the strongest dragon hunter Leo. He didn't have much talent at hunting dragons but he had decided to entrust his whole life for her. However he was shown the feel of true despair by his future self on what would happen if he stays weak as he is now. With that, it seems that the reaper of the dragons had now appeared earlier than the original history, but will it be enough to change future?

(Source: MU)

Chakuro is the 14-year-old archivist of the Mud Whale, a nigh-utopian island that floats across the surface of an endless sea of sand. Nine in ten of the inhabitants of the Mud Whale have been blessed and cursed with the ability to use saimia, special powers that doom them to an early death.

Chakuro and his friends have stumbled across other islands, but they have never met, seen, or even heard of a human who wasn't from their own. One day, Chakuro visits an island as large as the Mud Whale and meets a girl who will change his destiny.

(Source: Batoto)