High-school girl Yuri suddenly finds herself on the rooftop of a high-rise building. She's trapped in a bizarre world surrounded by skyscrapers, where a masked... more>> man cracked open a man's head with an axe before her eyes. Finding a way to survive this bizarre world, find her beloved brother, and escape becomes her top priority, but she is beset by danger not just from the mysterious Masks, which possess both inhuman strength and cruelty, but other survivors turned cruel or desparate by the insanity of the high-rise world. <<less

Even in high school, Ritsu and Uta really get along. Suddenly, they have to pretend to be lovers...!? The real brother-sister exciting love comedy starts!!

Junior High student Nao's brother complex is so strong, it's almost at the point of incest. She's determined to make her brother, High School student... more>> Shuusuke, see her as a woman. So determined, that she goes as far as going into his room to throw away all his non-incest related porn. But as she's looking for his porno stash, she finds a photo album... and she's not in any of his childhood pictures. What is going on? <<less

Yating was working in a recording company until she was fired by her boss (a famous movie actress with a spoiled temperament). Discouraged and jobless,... more>> Yating decided to work in a pub where a famous group called "Gangster" regularly played. Along the way, she gets to meet this guy who has the most divine voice. Yating's luck then began to change when her uncle decides to retire and set up his own record company. He asks her to join in his ambition to create the most famous rock group in Taiwan. This is the story of how Yating, being the new manager, tried to create the ultimate rock band! <<less

A series of related stories about (a lot of) middle and high school students as they discover their hatsukoi (first love).

Anzu goes to a preschool with her friends, the shy Koume and the eccentric Hiiragi. Together, they try to gain Anzu attention from their male... more>> caretaker Tsuchida, though he is clearly more interested in the pretty Yamamoto who supervises the class next door. <<less

Kanaruzawa Sekai, "The God Who Lived A Thousand Years", is a beautiful girl with silver hair and red eyes. She's pompous and does not know much about her surroundings, and despite her childish appearance, she can tolerate alcohol and tobacco, and spends her day in her mansion reading books.... more>>

Offered to her as a "living sacrifice" is high school student Kirishima Yuuki. As he was told she'd grant him one thing in exchange of being the sacrifice, Kirishima said: "Kanaruzawa Sekai-san, marry me."

And so, they start to live their life together---but their days without peace nor love became disrupted, as the world began to be disordered due to a terrifying secret concerning the whole world.

A comedically pure love, and a never-ending story begins here! <<less

Kikukawa Shiori wakes up from a motorcycle accident only to find out she's lost her memory! Try as she might, she can't remember anything about the yankee-looking boy who claims to be her boyfriend, her kind-hearted and good looking older brother, or her aloof and introverted younger sister.... more>>

When she goes to school for the first time since her accident, she overhears people talking about her---and the things they say aren't flattering. From what she hears, she was a terrible person before the accident. Was she really as horrible as they're making her out to be? And will she ever get her memory back? <<less

Curiosity led Luo Wei to explore the forbidden cave on his school grounds. There, he discovered a pair of mysterious twins fleeing a plague. Little did he know that the cave is a portal to another world — and that things are not as simple as the twins make them out to be.... more>>

The original webcomic can be found . <<less

At Amatera Chateau, the exclusive all-girls dormitory, lives Petit (a dog that's just been adopted), Hanazono Hana (a not-so-smart girl), Kataoka Hikari (who doesn't like... more>> dogs), and Yamada Constance (pretty smart). This is about how chaos unfolds in their lives. <<less

Ai just loves her big brother, Yuzuru. He's so kind, so reliable and so cool! He always protects Ai from trouble and when she cries,... more>> he cheers her up! He's the perfect big brother. But, bad things happen soon. Her parents divorce and she and her brother are separated. Now, after nine years, one day, Ai, now 14 years old, finds a tall boy in front of her school. Who is this boy? <<less

MiRyu has a gorgeous mother who's quite childish for a woman. But asides from being just gorgeous, MiRyu's mother is also getting remarried to a... more>> rich man. Worst case scenario for MiRyu herself is that this isn't the first time that this has happened: her mother married multiple times in the past to pay off a debt. Now because of her mother's new husband, not only is the debt that MiRyu's mother had is paid off, but MiRyu also now gains a stepfather who has a daughter and a pair of extremely handsome twin sons. And MiRyu thinks that she just may be falling in love with either one or both of the twins. One just happens to be sweeter than the other, and the not-so-sweet one is always so stubborn. Her stepsister also happens to be her class's Vice President. Just when MiRyu thinks that her life can't get any worse, it always seems as though she's proven wrong. Really?! <<less

A schoolgirl who was adopted by a family experiences hardships at school and home. Her foster family treats her as Reika, their daughter who had... more>> died a couple years ago. Suddenly, her real blood-related brother appears before her, who has been searching for her for years. Now her life is turned upside down. Will she learn to trust other people again? <<less

Fudatsuki Kenji is known in school for two things: for being a delinquent and for having a sister complex. He constantly follows his sister Kyoko around, fixing her giant ribbon and chasing off any boys who might be interested in her. However, the truth is much stranger than people believe. He actually doesn't have a crush on his sister-- in fact, he likes Hibino, the only girl in class who isn't afraid of him. ... more>>

The problem is that his sister is literally a monster. She's a (Asian vampire/zombie), who is much stronger than an ordinary person and who needs a certain amount of blood from Kenji each day. Her ribbon keeps her in check, but if it comes off, she instinctively attacks the nearest person. Her ribbon also has a huge affect on her personality. With the ribbon, she's irritable and sharp-tempered, but without it, she's extremely sweet and apologetic (while she attacks). Will Kenji be able to keep his sister from hurting anyone, and maybe find some way to overcome his sister-complex reputation enough to have a chance with Hibino? <<less

Meet Shizuki Maku - to say she looks "above average" would be a slight overstatement, but it's especially bad compared to her older twin brothers, the high-school heartthrobs Retsu and Tetsu. She always wondered whether or not she really belonged in her family, but things take a shocking twist when her brothers plant the suggestion that they may not be related after all.... more>>

Now she's supposed to pick one of them to be her boyfriend, all the while defending herself from all the other girls at school who want to keep her "brothers" for themselves! Life isn't easy when you're the ugly duckling!

Sonnan Ja Nee Yo received the Shogakukan Manga Award for shoujo manga in 2006. <<less

In the hometown of high school student Tachibana Reiji there has been an unusual string of suicides lately. Some people believe that this string of suicides might have something to do with the urban myth of "death accessories", which are magical objects that cause people to die soon after they pick them up.... more>>

Reiji, who lives alone with his adoring older sister Ayaka, doesn't believe this kind of nonsense, so he has no problem picking up a strange bracelet he finds on the street. Almost immediately, he finds himself forced to form a "contract" with his new bracelet. Now, in order to remain alive, Reiji must use the power of his bracelet to fight and kill others like him! His only ally in this new life is his sister Ayaka, who is determined to protect her little brother at any cost! <<less

After all the Class cards have been captured, Illiya and Myu are once again ordered by Rin and Luvia to help them stabilize the Earth's pulse, that went haywire when they started capturing the Class Cards. However, something goes wrong after the ceremony. Illiya tries to protect everyone from the destructive explosion. But when the explosion is averted, and seemingly everyone is safe... Illiya finds a clone of herself sitting beside her.... more>>

What had happened? And how will Illiya get over this crisis? <<less

This is the story of a village where a deity is--on the day of the village festival, the deity endows a boy, Mao, with a... more>> destiny. That destiny is to live as a girl. In a small village where forests, lakes, fields, fish, insects, and flowers flourish, Mao, his sister, and his friend confront fate. <<less

Hirose Goushi has a huge sister complex. So huge, he moves from his home town to Tokyo to attend Myouzen University in order to escape it!... more>>

Three years later, Goushi's little sister Noa shows up and informs him that she's taking the Myouzen University entrance exam and that she will be moving in if she passed. Little does Goushi know, she has a similarly large (if not larger) brother complex. <<less

"One such setting is the "Nine Schools Battles", officially called The National Magic High School Good Will Magic Competition. Every year, the best Magic High School students gather together, unfolding a story of frustration and glory by putting their young pride on the line."... more>>

Adaption of Light Novel V3-V04 <<less

Yoseob, normally very quiet and composed, is in the police station convicted of stabbing 8 civilians with a knife. Everyone's wondering whether he actually committed... more>> the crime. Does he, a mere high-schooler, really have any reason to have done such a horrifying act? Does his obsessive love for his older brother, Jaeha, have something to do with it? <<less

In a small village, there is a legend about a person born from a sakura tree one thousand years ago. Though she appeared human in... more>> form, she could not understand love, and was therefore cruel. She was eventually destroyed. Now, the mythical Sakura tree is going to attempt to create human life once again. This time it is up to two high school students, the incredibly beautiful Tasuku and the love-allergic girl Honomi, to teach the Sakura Child about love. <<less

Kyosuke Kosaka, a normal seventeen-year-old high-school student, hasn't gotten along with his younger sister, Kirino, in years. For longer than he can remember, Kirino has... more>> ignored his comings and goings and looked at him with spurning eyes. It seemed as if the relationship between Kyosuke and his sister, now fourteen, would continue this way forever. One day, however, Kyosuke finds a DVD case of a magical girl anime entitled Hoshikuzu Witch Meruru (Stardust Witch Meruru), which had fallen into the entranceway of his house. To Kyosuke's surprise, inside the case, an adult video game entitled Imoto to Koishi yo! (Love with Little Sister!) is hidden. <<less

Ogiwara Umi is an ordinary sixteen-year-old girl with an extraordinary older brother. Ogiwara Haruto is an up-and-coming star actor, and everywhere he goes girls call... more>> his name. This would be difficult for any little sister, but Umi has it particularly hard ~ she not only has a brother complex, but she’s actually in love with her brother! But perhaps the more important question is ~ does Haruto feel the same? <<less

Collection of short stories:... more>>

Volume 1: Gekogeko

Volume 2: Piyopiyo

Volume 3: Uchuu Taitei Ginga Thunder no Bouken

Wani Onii-san (Crocodile Brother): Onii-san has turned into a crocodile! How is his sister, who has a brother complex, going to use love to overcome this forbidden interspecies obstacle?

Volume 4: Hourou Sekai Wandering World

Takeyashiki Shimai, Miyaburareru

Matsuri Connection

Enigma Viking

Too Late for Fantasy: When given a magic lamp, 37-year-old Tohru Sugamo wishes for his childhood dream to come true and gains all the powers he thought up once upon a time as a wannabe novelist, but it turns out an eighth grader's ideas aren't the most original - or the kinds of things you'd want causing havoc in your married life. <<less