Ane (Older sis) is uber perfect; she's beautiful, intelligent and is admired as the president of the student council. But, when it comes to her little brother, she goes nuts, unable to control her over-the-top obsession with him. Their days get even more chaotic surrounded by a bunch of oddballs, from a mentally-disturbed best friend, their little sister with a sister complex, an ex-punk convenience store manager, a hardcore masochist, a loli-con and more! Casual comedy perfect for filling your spare time.... more>>

-jCafe24.net <<less

When Konoe Moyako and her little brother, Akira, were young, he said he wanted to marry her. Naturally, Moyako decided that her little brother was... more>> a complete pervert who was obsessed with her. Now that they're both teenagers, Moyako is convinced she needs to 'rehabilitate' him. However, it seems that the 'perversion' is entirely in her imagination, and she can't seem to help turning completely innocent situations into creepy ones in her mind! <<less

The year is 2095. Magic has been tamed as another form of technology, and the practice of magic is now a rigorous discipline. Brother and... more>> sister Tatsuya and Miyuki Shiba are just about to start their first year at the renowned First Magic High School of Japan. But the school's ironclad rules mean that the brilliant Miyuki enters the prestigious Course 1, while her older brother, Tatsuya, is relegated to Course 2--and that's just the beginning of their troubles. <<less

The Arisaka sisters (Hatsune and Kazuki) and the Kagura siblings (Yuuji and Marie) lived next door when they were smaller. So close that they could climb onto each other's verandas from the 2nd floor. They would always play together until one day the Kagura siblings had to move.... more>>

It's been 10 years and the Kagura siblings are moving back! Yuuji's turned into a pervert and Marie isn't the crybaby she used to be? <<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

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

12-year-old Aoyagi Ritsuka is a troubled child. He has no memories of his life until the age of ten. His excitable mother physically and verbally abuses him, demanding that he return the "real" Ritsuka to her. For the past two years, his older brother Seimei had been his devoted friend and protector: the only one who accepted Ritsuka's "new" self and who could stop their mother from abusing Ritsuka. ... more>>

In a talk the brothers had one day, Ritsuka learns Seimei's real name is Beloved, and although Seimei refuses to explain why he would say that, Ritsuka thinks the name fits. Soon after that conversation, Seimei was found dead under mysterious circumstances.

A while later a college student named Soubi appears before Ritsuka, claiming to have been Seimei's friend. He tells Ritsuka that Ritsuka's real name is Loveless, and that like his older brother he is a sacrifice. Ritsuka has inherited Seimei's fighter, Soubi himself. Ritsuka finds himself drawn into a bizarre secret world where teams of two—fighter and sacrifice—engage in combat with another team using the fighter's verbal spells that manifest in local space and, for every round lost, create increasingly painful bindings on that team's sacrifice.

As his involvement in this new life deepens, Ritsuka unearths many shocking facts about himself, Seimei and Soubi, plus the mysterious organization related to the combat, Septimal Moon. He resolves to discover the truths behind his brother's murder and his own unexplained amnesia. <<less

A side story of that focuses on Shiba Tatsuya's younger sister's viewpoint and experiences of the events taking place in the main story.

Kagami Junichirou is known as a genius physicist. He wrote a thesis at a young age of 17, and it was even published by "Nature,"... more>> a prominent science journal. After college, he devoted himself to being an otaku and a NEET: Updating his anime blog and aiming for #1 ranking. He claims to have a disease that makes him do ONLY what he wants to do. Desperate to get him to do something with his life, his little sister manages to get him a job as a teacher at his alma mater. <<less

When Fuuka hit her second year of middle school, puberty kicked in. Now she's really tall and has huge boobs. Due to her hairstyle, her... more>> classmates call her "Saipu," after the cyclops. Her affection for her older brother was cute when she was a little girl and said she wanted to marry him. Now it just freaks him out, since she's decided she's adult enough to follow through on her childish promises. This 4-koma style manga is the story of the life of this cyclops girl! <<less

Neiko Futaba is the school idol, but little does everyone at school what's she's really like. Only her beloved younger twin brother Otohiro knows her... more>> overly clingy persona, much to his dismay. On top of that, it seems Neiko seems to be rather determined to seduce her brother in every way possible. Unfortunately (or fortunately) for Otohiro, it is just an everyday occurrence in the Futaba household... <<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

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

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!!

Spirits known as kamui are thrown into chaos when the sacred spirit Okikurumi is taken from Atsuma's village, and the imbalance threatens to destroy Earth. Infused with the spirit of an ancient sword, Atsuma must leave his village to reclaim Okikurumi.... more>>

He encounters NOA, an organization of youths who wield the power of the kamui, and who may hold the key to Okikurumi. Atsuma is recruited into NOA by Sumire, a young woman with an empty soul who yearns for a miracle. Atsuma and his new companions must work together to find Okikurumi before the world is destroyed. <<less

When Kate unexpectedly ends up in another world, the one who rescues her is the supreme commander Arios, a man as overprotective as he is... more>> handsome. Everyday, he follows her no matter what... she can’t stand it anymore! In order to escape this new lifestyle, Kate ends up getting a job but...? The long-awaited slapstick romcom fantasy manga adaptation! <<less

A story about a young man named Kazuma who has to deal with the fact that his twin brother, Naoki, loves him as more than... more>> mere brothers. Will Kazuma return Naoki's feelings? <<less

Haruo is a boy with three younger sisters and a parent-less home. Although he does not know, his sisters all know magic. Now, they hire... more>> a maid who is also a new transfer student. She also turns out to know magic... <<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

It’s hard to be in high school, especially when you live in the shadow of your stunningly attractive older brother. It only gets worse when the really cute guy from the class next to yours starts hanging around your house, presumably to catch a glimpse of said older brother. ... more>>

But things are not always as they seem! Kotori is often teased for being superficial, and with a brother like Kujaku, you can’t really blame him for thinking that looks are everything. However, once Akaiwa steps into his life, Kotori is heading for a lesson in deep trust and abiding love.

There’s a lot more under the surface that he’s finally going to get a chance to see!

Also contain the following oneshots:

V.1

• Skip

• Poem of the Red Poppy

V.2

• Flower Light

• Flower Storm

V.3

• Endless Gaze (Gyoshi no Hate)

• Muddy Stream <<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

Spin-off of Himouto! Umaru-chan about Umaru's friend, Ebina and her journey from Akita to Tokyo.

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

The story centers around Mikadono Shougo, the son of an industrial magnate named Mikadono Kumagorou who passed away. As a final wish, Kumagorou gave Shougo... more>> a condition before Shougo can inherit the family legacy — find a female mate at school. Shougo transfers into a school to fulfill that condition. However, he learns that he has a younger sister who was separated at birth. He does not know what his long-lost sister looks like, but she happens to be one of the students at his new school. <<less

Aoi Yoneda has been taking care of his step-brother for ten years, ever since their parents died in an accident. Haruto loves his big brother,... more>> however, he made a promise to himself to stay by Ao-kun’s side as a brother until his 18th birthday. But then after? Only time will tell what happens between these two step-siblings. <<less