Yuka is childhood friends with the timid and quiet Kaoru.

After they've got into middle school Yuka decided to ignore Kaoru.

When the time for the gender examination began their lives started to change.

A manga about modern Japan where anomalies known as ‘hizumi’ or 'twists' appear and mix together objects. After a high school delinquent, middle school nerd, cat, and flea end up fusing together, they embark on a quest to learn more about the anomaly.

BOOK ☆ WALKER's popular electronic comic is finally published in a book! A beautiful witch mother, a rugged but beautiful older sister, a lovely younger sister who longs for him, and a cute and gentle childhood friend. An ordinary high school student, "Mitsuteru Minamoto," who is not good at horror, lived a manga-like life that all the boys in his class envied, although he didn’t have a girlfriend . ――But it changes completely after his 16th birthday. Many beautiful women attacked in search of the power hidden in the birth of brilliance. ... that's also a youkai. What's more, the attack was a life-threatening color scheme! !! The fate of brilliance suddenly struck into the world of school horror from a school romantic comedy ...!??

A collection of stories:

1-2. Boku no Ano Ko
Amakura Chigusa has been engaged to Aki-chan since he was very young, and he's been looking forward to marrying her his entire life, doing everything he can to become a man worthy of such a great bride as his Aki-chan. Unfortunately he's never met her, as their parents agreed not to let their children meet one another until they were both 16 years old. But when Aki-chan's parents move abroad for work and she decides to stay behind in Japan, Chigusa's family takes her in, and the future bride and groom meet one another for the first time?

3. Megane no Kimi ni Koishiteru?

4. Bokura no Timing

5. Yoteigai no Koi (Unexpected Love)
In all of his 18 year old life, Takezaki Aoi has never received any love confession. Today, suddenly... there it is. A love letter, right on top of his desk! What should he do now...? Does this mean his first love is going to be revealed?

6. Suki Suki Daisuki

7. Ima no Ano Ko

It’s about a goodhearted boy named Takashi who murdered his teacher at age of 13, to protect his childhood friend Yui. The story revolves around tragedies happening to both of them because of that incident.

Transfer student, Aoba Shunsuke, arrived at Sunshine School only to find the premises empty. He was secretly gleeful to be the first to reach the school, oblivious to the fact that it was Foundation Day and a rest day for the institution. At that moment, a big-sized "L"(Eru) beauty by the name of Natsumi appeared before him and the two of them hit off together even though Shunsuke was so much smaller than her. Shunsuke's mother runs a women's apparel busines but the shop is in need of manpower. Shunsuke offers to help out at the shop but fumbles a lot because he does not know how to interact with the ladies. Eru decides to step in and help out around the shop and this pleases Shunsuke's mother. This is a romance story that shares the joys and woes of the "SL" combi between Shunsuke and Eru.

The Kabocha Wine won the 1983 Kodansha Manga award for shounen.

Senagaki Isaku will be a first year high school student starting in spring. Her grandfather is the third head of the Senagaki group, a yakuza organization, so she is feared by those around her. However, starting from spring, she hopes to make normal friends and normally fall in love. She is admitted into a high school further from her hometown, however, the overprotective young head of the Senagaki group, Utou Keiya, (26 years old) falsifies his age and enters the school with her through a backdoor admission...?! Keiya proclaims that love is too early for her although Isaku is perfectly ready. In truth, she has held an unrequited love for Keiya for quite some time.

Long ago, a princess and a knight fell in love, but couldn’t be together. They promised to meet again in the next life where they could freely love each other, but there’s a problem–they weren’t reborn in the same year! Now the princess, a 39-year-old single woman living in modern Japan, just bumped into the reincarnation of her beloved knight: a 17-year-old high school student who recognized her immediately. To her surprise, that teenage boy is determined to sweep her off her feet again, and she has no idea how to deal with that!

The story is set in the distant future. The land is ruined, and humanity establishes the mobile fort city Plantation. Pilots produced inside Plantation live in Mistilteinn, also know as the "birdcage." Children live there knowing nothing of the outside world or the freedom of the sky. Their lives consist of battling to carry out missions. Their enemies are mysterious giant lifeforms known as Kyōryū, and the children pilot robots called Franxx to face off against them. For the children, riding the Franxx proves their existence.
A boy named Hiro is called Code:016, and he was once known as a prodigy. However, he has fallen behind, and his existence seems unnecessary. Not piloting a Franxx is the same as ceasing to exist. One day, a mysterious girl known as "Zero Two" appears before him. Two horns grow out of her head.

Tachibana Kayo (27) is beautiful, kind, capable and admired by everyone at work. However, she's a plain Jane homebody (hikkikomori) on the weekends, and a virgin, to boot. Her neighbor and junior colleague at work, Shindou Kei (25), finds out, and tells her she should master having fun on the weekends in a fashionable way. From his lectures, their relationship starts turning into one where they often go out together?!

Haruka, an ordinary high school girl, has a secret. She lives next to her geeky classmate, Sano Souta, and they are childhood friends. Furthermore, Sano's geeky appearance is only a facade and the truth is, he's a really popular model. Haruka had always known him -- from his bare face to his popular figure. The more she gets to know him, the stronger her feelings become. But why does she feel more distant from him...? It's a heart fluttering love story between a famous model and a high school girl.

From Tokyopop:
The background is in the distant future, a post-apocalyptic world after the destruction brought about by Armageddon. The war between humans (Terran) and vampires (Methuselah) continues, as a struggle between two factions: the Vatican and the New Human Empire.
Yet, amidst the bloodshed and violence, many desire a peaceful co-existence between the two species. However, standing between them and this goal is the Rosenkreuz Orden, a group of vampire extremists who manipulate the two sides and pit them against each other. To combat them, the Vatican special operations group "AX," led by Cardinal Caterina, must use everything they have - even a vampire who preys on the blood of other vampires.

Includes an unrelated short story called Daijoubu! Koi x Koi (All Safe! Love x Love):
Suzuri gets asked to join the manga club. Excited (because she reads them) she sadly refuses, because she cannot draw them. But that's okay, says senpai, because senpai would rather Suzuri model for them any way.
Getting reeled in, Suzuri agrees happily. But who knew the modeling would get so perverted?! Not to mention, she might actually be starting to develp feeling towards her senpai... What will happen to Suzuri?

Tojikometai no (I Want to Lock You Up) (閉じこめたいの)
From Yuri Project:
In her dreams, Chika can freely confess her love for Mitsuki. But the reality, where she barely manages to talk properly with her classmate, isn’t as kind.

Yukari wants nothing more than to make her parents happy by studying hard and getting into a good college. One afternoon, however, she is kidnapped by a group of self-styled fashion-obsessed artists who call themselves "Paradise Kiss." Yukari suddenly finds herself flung into the roller-coaster life of the fashion world, guided by George, art-snob extraordinaire. In a glamorous makeover of body, mind and soul, she is turned from a hapless bookworm into her friends' own exclusive clothing model.

In this manga we meet characters from Gokinjo Monogatari like Mikako (and her little sister, Miwako - she's in the "ParaKiss" group) and Arashi's father (only a poster, but still), as well as new characters like Isabella.

The plain and awkward high school girl Neneko makes a bold confession to her teacher, Teshigawara-sensei. But that brings on an unexpected circumstances...?

Komugi Shirai wakes up every day at 4.30 am, to help in her sister's bakery. At the same time, her neighbor Kirato, a seemingly philandering musician, often returns home... when Komugi goes to a club to watch her best friend's band's concert, the girl finds herself in front of Kirato's band.

An ongoing series revolving around Atsuya, who is an "Unrequited Love Maniac" and the loves of his life.

Prequel: Hatsukoi Moratorium inside Shotgun Marriage
Vol.1: Shitsuren Mania (Unrequited Love Maniac)
Vol.2: Junai Allergy (Allergy to Pure Love)
Vol.3: Netsuai Complex (Ardent Love Complex)
Vol.4: Dekiai Egoism (Enraptured Love)
Vol.5: Katsuai Catharsis (Catharsis of the Love)
Vol.6: Saiai Ambivalent (The Dearest is Ambivalent)
Vol.7: Mitsugetsu Melancholy (Honeymoon Melancholy)
Vol.8: Tooi Dearest (Long Distant Love Just Now)
Vol.9: Kyuuai Syndrome (Courtship Syndrome)

Once a proud woman, but because of a chain of major events, was taken away by the killer group and lost her memory from then on. In order to find her, he traveled through mountains of water and from the player he once was, he became a cold and quiet police officer. Fate had allowed them to meet again. When they regain their memories, will they be happy or will sink into the abyss once again?

Man brings home succubus, doesn’t get fucked. Instead, gets a cute succubus to take care of him.

Soul Wearer Lin Fei got lucky and acquired a Yun Yuan stone and Sun Gold scriptures. Lin Fei steps into the battlefield of the spirits and demons and slays tens of thousands. He gradually obtains the Ancient Spirit King's inheritance and achieves the status of the Supreme Martial Deity.