She has the looks of a model that stands out from the crowd, and on top of that, she has a great personality, too. Daily life with such a sister must seem quite strange to other people.......? This is a romantic comedy about a boy who will "definitely" get together with a cute little sister in the end!

(Source: ComicWalker, translated)

The perfectionist class president, Tsukamoto Anne, has one small problem: a gyaru in her class, Kenzaki Kaoru, is so exceptionally dumb that she's in danger of repeating the year! However, Kenzaki Kaoru has one small problem of her own: the class president, Tsukamoto Anne, is exacly the kind of person she worships as a god-like fave! The serious class president wants her reign to be perfect, while the creepy otaku gyaru wants to hide her true nature—and so, a battle between the two begins!

Seinen sports series, serialized on Big Comic Spirits. Nominated for the 2017 Manga Taisho Award.

Leon was reincarnated in the world of an otome game that he was forced by his sister to conquer just before his death. He tried to live a peaceful life as a mob character, but he encountered a scene where a female student ignored the flow of the story and tried to become the main character. Leon ended up seizing Marie, a girl who had a similar atmosphere to his sister from his previous life, and succeeded in thwarting the scheme. It should have have been the right choice... but why was he feeling uneasy about it?

From Chibi Manga:

If that time, I choose a different path, maybe this love will end in a different way. if i can go back to that time, what will you do...?

Kyoto has become a place where humans and monsters have chosen to coexist, and Chimi-Mouryo has become rampant. Saki, a succubus who attends a school in Kyoto that has turned into a magical land, uses her beauty and abilities to become the school's princess!!

Even such a reckless girl had a natural enemy. His name is Ashiya Yuu! A tough-looking man who won't fall for only himself and is loved by other demi-humans!!!

Saki, who calls herself the queen, can't stand this sight, so she tries to bring down Ashiya faster than the other demi-humans, but...!!?

From Freewheeling Scanlations:

Natsuki is teased for being a hopeless romantic, Keiichi disguises his sadism with an angelic grin, Tsuyoshi is an otaku who can't read the air, and Tomoya is a frivolous playboy who likes his archenemy. The rainbow-colored story of (sometimes dubious) friendship and (mis)adventures in love of these four boys who spend their daily high school life by having fun starts when recently-dumped Natsuki received a pack of tissues from a girl wearing Santa costume in the streets on Christmas eve.

The story is set in a “land where two worlds intersect,” and it centers on “a strange romance between a boy and girl who meet by fate.”

Yuji's girlfriend Misaki may seem hard and cold on the outside, but inside she's actually soft and loving. As they prepare for their high school entrance exams, Misaki decides that they should temporarily cut off all their dating activities. Will they be able to study hard enough through this period to get into the same high school?

Tokyo Butei High school--- It was a special school where armed detectives, also known as "Butei" are being brought up. Tohyama Kinji is a sophomore student who has the unique body which activates a "super mode" when it was stimulated by "something". He tries to hide it to others in order to live a peaceful life. But trouble came to find him when he became a victim of a bombing incident, where he met the Butei high "Assault" department elite, Aria H. Kanzaki.

With the arrival of three chaebol members into general high schools, teachers and students will be transformed into " brain fighting " schools that seek power by surrendering to massive capital. Dan-geon, a genius, came to inherit the school's rules.

A new infection has spread around the planet, that turns people into undead. The story begins a few minutes before the first recorded case, and shows the struggle of six youths to survive this new world.

The story centers around a main character with a meddlesome personality whose father is a butler and whose mother is a maid, and who one day meets a rich young lady who cannot even change her own clothes, let alone know what do in the outside world.

"I love you! Let's get married!"
That is how Itou's first encounter with Naitou went on their first day of school. Since then, Naitou has been relentless; proposing to Itou at every opportunity and singing his love for her. But Itou is no obedient goodie-goodie to just sit back and let Naitou do as he pleases. Firing back with her own diatribes, she is determined to fight this out till the end.
A comedic tale of two twisted idiots and a boy's neverending pursuit to get his girl... even if that girl absolutely hates him.

The classmate you’re interested in is a slightly strange girl who wears a different wig every day to school!?

From Tokyopop:
Sergeant Keroro is the Captain of the Space Invasion Forces Special Advance Team of the 58th Planet of the Gamma Storm Cloud System, sent to the planet Pokopen (aka Earth) to collect intelligence for his planet's invasion force. He is also a frog. After his ship crash-lands in the planet earth, he takes shelter in the Hinata household, but the two kids, Fuyuki and Natsume, find him and take away his alien weapons. When his people discover that the Pokopenians are aware of him, Keroro is abandoned - left to fend for himself in this hostile world. But he's not alone - four other pre-invasion agents were are also lurking on Earth.

Note: Won the 50th Shogakukan Manga Award for children's manga in 2005.

First year Highschool boy Shin Yuki stumbles one day upon his naked childhood friend reenacting a sensual novel with an mannequin in an empty classroom.
Yukino Kurose, a third year student, loved to reeanact stories with Yuki's help from books when she was a child, to discover how the characters in the story felt.
This time she got herself a sensual novel and asks Yuki to help her out with her reenactment again. Otherwise she'll have to find someone else, because mannequins are not enough.
After a quick deliberation Yuki decided to help her out, because he doesn't want anyone else to see her naked.

Marie gets hired to be a maid. But not just any maid... A robot maid!? How will she get through her new life pretending to be an emotionless mechanical maid? A manga full of comedy and romance!

Starts with a one-shot, and has been officially serialized in LALA magazine.

Indigo island is a place like no other, to deter emigration and attract tourism they have become the 'sex' destination as residents are punished if they are not have having frequent sex! On this crazy island, Hitori Misaki is still at school and one of the rare virgins trying to keep her secret and find love in such a lewd environment! The manga is based on the adult game "Nukitashi - Is this island Utopia or Dystopia?" by Qruppo!

Kotori-kun, who falls in love with his classmate Hiiragi-san at first sight, somehow wants to get close to her. Hiiragi-san is quite an earnest and lovely girl, but… She’s surprisingly a little careless--! This is about the charming school life of a careless girl and a pure boy who gets led on everyday by her -- a romantic comedy that’s a wee bit H sometimes but warm and fluffy to death.