Highest Rated Manga

8 years ago, Tsubaki, a daughter of a successful businessman, was reluctantly given to the Yoshiwara (red light) district of Tokyo after a tragic fire burned down the entire family's wealth and belongings. Shin, a childhood friend of Tsubaki's, coldly turned his back on her now that she was poor. Furious, Tsubaki, threw herself into becoming a top oiran girl to beguile him with her looks and then reject him one day! But plans are never as easy as they seem. For one, the beautiful and cold-hearted Takao oiran stands in her way... Included one-shot:
Volume 4: Ginrou no Sakura

Meet Tsubaki Kuchinashi, the Manhater Prince. Beautiful and popular, Tsubaki's core strength in high school comes from her position as the principal's granddaughter - suffice it to say, but any student or teacher who even looks at her the wrong way could be expelled at a moment's notice.

Meet Tadashi Kiritsu, the head of the Public Morals Committee. As sharp and rigid as his glasses, Tadashi despises Kuchinashi's iron grip on the school. Naturally, a challenge to her rule bothers Kuchinashi, and she decides to get rid of him as soon as possible. Her plan? Get him in a honey trap. However, that's easier said than done.

(Source:MU)

In this world, men live on islands floating in the clouds. But the heavens are also the domain of "dragon fish," gigantic monsters hostile to humans and their ships...

Yuu is one of the guards responsible for protecting citizens from fish attacks. In the company of Asebi, an android, he decides to go on an adventure. His goal? Discover the ancient island of Brant, capital of the legendary archipelago of Waldecia, which holds many vestiges of human civilization at the time of its heyday!

(Source: Tokuma Shoten, translated)

A more modern version of Astro Boy

The story centers on Kazuha Aoi's second year at West Genetics and Yumi and Elize's third year at West Genetics as part of the elite Numbers unit.
(Source: Wikipedia)

Kaoru Mori's "Shirley" is an evocative glimpse into the daily life of winsome, 13-year-old Shirley, a maid in turn-of-the-century England. It's been compared to Yokahama Kaidashi Kikou, as both mangas feature languid pacing, atmospheric backgrounds, and a female main character who works in a cafe.
No hentai, no fanservice, zero, zip, nada. Just pure maid-tastic moemoe.
(Source: IIChan Translation Group)

Yoningurashi shows the family life of the Hondas; Tarō, his wife Chiharu and their two children Yuri and Kotarō. A light hearted story on everyday life and their problems.
(Source: MU)

History repeats itself... Or does it? St. Kleio Academy is a very exclusive school: all of the students are clones of famous historical figures such as Beethoven, Queen Elizabeth I, Napoleon, Mozart, and Freud. All of them, that is, except for Shiro Kamiya. As Shiro struggles to adapt to this unusual campus, St. Kleio's first graduate, a clone of John F. Kennedy, is killed. Are the clones doomed to repeat the fate of their genetic progenitors, or can they create their own destinies? And how does a normal boy like Shiro fit in?
(Source: Viz)

4-koma Based on a Novel - Date A Live.

A cat reminisces about his life with and feelings for his owner, a single woman.

(Source: ANN)