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

Having been born in a secret government laboratory that cultivated esper (telepathic) powers within humans, Shuuichi and two sisters, Sumire and Katsumi, are forced to... more>> endure a difficult life as test subjects until their escape. Years later, these siblings are still being sought after by unknown organizations that are after Shuuichi's powers as he is what they refer to as the “zero-sample” with the ability to cause “zero-shock.” <<less

Yuri Makurano is an unattractive girl who learns her mother is a famous actress named Shoko Hanai following her grandmother's death. Yuri begins to live with her mother's family which consists of three children named Sumire, Aoi, and Fuyo Hanayashiki. Yuri is treated as a maid at the household, eventually bonding with the family and builds up unrequited feelings for Sumire. Later, she comes to learn the only blood relation she has to the family is Aoi, her half brother.... more>>

Note: Won the Shogakukan Manga Award for shoujo in 1994. <<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

Nanoka and Koshiro were separated at a young age when their parents divorced. Now, 10 years have passed, and Koshiro has already forgotten about his... more>> younger sister. Yet, Nanoka has decided to attend the nearby high school and come back to live with her father and brother. However, the two had met just before Nanoka came back to live together and without knowing each other's real identity, they went on a date, only to find out that they were actually siblings... <<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

Mashiro was always alone, whether at high school, cram school, and home. Until one day, Mashiro met a youngster with a strange atmosphere. Holding the... more>> thought of “I want to change”, she took a big first step forward--even though her legs are small--seeking the path of Eden. <<less

Se-Joon and Se-Wa are siblings with a dark, complex relationship. Se-Wa, a girl considered psychotic by others, is attached to her brother... a little too attached. In her eyes, there is only Se-Joon, and no one else. And what of Se-Joon's feelings?... more>>

This manhwa contains incest themes.

Title comes from French poet Beaudelaire's compilation of poems, Les Fleurs du mal. <<less

There's no such thing as an older sister who hates their younger sister. Every older sister on the face of the Earth loves their younger... more>> sister dearly. I, Sakura Shima, have an adorable sister one year younger than me. The sister yuri comedy everybody is talking about! <<less

The story follows Arcana Famiglia, a self-appointed organization with mysterious powers that has protected a small Mediterranean island from pirates, foreign countries, and other threats.... more>> The only daughter of the family's "Papa," Felicitá, will be married to the next head of the family in two months — and the successor will be decided in a competition that Felicitá herself will take part in. <<less

Imagine a country where couples are chosen based on the compatibility of their genes. Whenever a resident reaches the age of 14, a partner will be suggested to him or her based on which match would result in the best child being born.... more>>

This is a collection of stories about some of the more "interesting" pairings chosen by this system. <<less

Shizukuishi has a problem. Well, a number of them, actually: She wets herself chronically. She occasionally loses complete control of her actions. She's being hunted by an army of robot maids. The root of all her troubles is the soul of the ancient destructive giant Daidara-bocchi, which is sealed in her womb.... more>>

But she's not alone. By chance, she became attached by a thread made of light to Kouki, a "contractee" who helps maintain the burden of the seal within her. Together, Shizukuishi and Kouki face her toubles and fight against the evil robot maids, but if they get too close to each other, then something terrible could happen... <<less

As a guy with no real friends, Nishina Tadatora has spent months just observing Ichinomiya Misumi who sits next to him in class. At first... more>> glance, Ichinomiya looks like a lonely girl without any special appeal, but only Nishina knows how sensually provocative she can really be. Upon realizing that Nishina is watching her, Ichinomiya begins to interact with him in her own unique way. But unbeknownst to Nishina, Ichinomiya also seems to be harboring a secret... <<less

In an age of chaos, the four governing spirits of wind, water, fire, and earth reigned. There were those who could harness that power to cast spells, and there were a few who were blessed with the ability to hear the spirits’ voices, and those people were endowed with the ability to control the “Darkness Rage”, “Luciffis”...... more>>

Twins, Rudius and Mattie, are on the run, trying to escape the Spell-Caster Monks, who are trying to capture them to take the Luciffis. When the two are separated, Mattie turns to a fortune teller named Kishiru Mishuru to enlist her help in locating her missing brother, and that’s where the story begins... <<less

Mei is a 2nd year junior high student from the Wind Orchestra Club. She lives with her older brother, Natsu, a musical genius. Actually, they... more>> don't have any sibling blood relation. When Mel, a pretty girl also gets to live with them, Mei with her complicated feelings... <<less

Lilith is a phantom thief who is after genius artist, Michelle Corradi’s portrait. After she had already stolen some pictures, Michelle had the idea to... more>> catch her. When she announces to steal his new artwork he met her and fell in love with her. What will he do to meet her again..? <<less

After young Utena's parents die, she wanders the streets. Just as she's about to drown herself, a prince comes to her rescue, telling her she... more>> must grow up to be a brave noblewoman. From that day on, she strives to become not a princess but a prince. Years later, she receives a mysterious rose-crested ring in the mail. Will she meet the prince again? <<less

The story is set in the distant mountain village of Okukozome-chou. Kasugano Haruka and his twin sister Sora have fond childhood memories of going to the village to visit their grandfather during their summer vacations. However, after losing their parents in an accident, the two must move in with their grandfather.... more>>

The twins get reacquainted with their old childhood friend Yorihime Nao, their new classmate Nakazato Ryouhei, the shrine maiden Amatsume Akira, and Akira’s friend Migiwa Kazuha. All seems peaceful and familiar. However, beneath the surface is a secret promise that the twins made with each other long ago, the whereabouts of an important lost item, and the real reason they chose to come back here. <<less

Japan, 1920: Momiji is the only person who can ride the Baron Midorkawa's unruly horse, Basilis. A romance blossoms between Momiji and Awa, the baron's... more>> nephew, but that romance ends in tragedy. Seventy years later, they will be reborn and will meet again... <<less

Hiroki was going to be an artist after high school, but has stopped drawing for an unknown reason. He became a teacher at Nadesico Academy,... more>> where his cousin, Elis, attends. Then, his childhood friend, Kiri, became a PE teacher at Nadesico who seems to be part of the reason why he stopped drawing.... <<less

Based on the popular yuri OVA series, which is about the relationship between two fraternal twins and their daily life.... more>>

Yukino and Kanade continue their schooling, and Kanade takes a late night art class in preparation for her future.

As before, she usually ends up fooling around and drawing her sister in strange poses before finally getting her work done.

Kanade begins to question the feelings she has for Yukino... does she feel a pure sisterly love for her, or are her feelings more perverted? <<less

From birth, Cesare Borgia is surrounded by shadows. Damned by his own father, hated by his closest brother, separated from the sister who loves him, and driven by the demons of Hell itself, his quest for power threatens to set the world of Renaissance Italy ablaze -- unless one innocent person can drive away the poisonous shadows ravaging him!... more>>

Enter the world of the Borgias. A world of unspeakable conspiracies and forbidden desires. A family whose murderous intrigues would make them infamous throughout history. A history written in blood…and a poison called Cantarella. <<less

Since their mother's death, sisters Tomoe and Mikage have been mostly raising each other. The older sister, Tomoe, is determined to get good grades and... more>> work her way into a good college. However, she's disturbed by the trouble Mikage sometimes gives her. For instance, at the beginning of the manga, Mikage sneakily locks a collar around her older sister's neck, forcing her to go through the day wearing it. Mikage wants Tomoe to think only of her, and her affection may be beyond sisterly love. However, at school, Mikage has made a new female 'friend' that has a serious crush on her. The two sisters have their separate lives at their respective schools, but their life together and their relationship may be most important of all. <<less

Every year the flowers bloom. Mysterious Cherry Blossoms blooming all over a crescent shaped island. That island is the island of Hatsune... ... more>>

The main character who goes to Kazami Academy, Asakura Junichi, has the power to see the dreams of other people in his sleep. He was also taught magic by an old lady that allows him to create sweets.

One day, Junichi seems to have seen someone`s dream again while he was sleeping. Inside that dream, a girl who was a childhood friend of his appeared. But, he was woken up by his sister Asakura Nemu, forcing him to come back to his regular life. Nemu doesn`t actually have any blood relation to Junichi but their bond is deeper than other real brothers and sisters. So deep that it gives the illusion that they`re lovers.

It was another peaceful normal day waking up early in the morning and going to Kazami Academy. Together with childhood friend Amakase Miharu, the academy idol Shirakawa Kotori, the two sisters Mizukoshi Moe and Mako who prefer eating nabe on the school roof for lunch. Going through their day as usual, their childhood friend, Yoshino Sakura, who they thought had moved to America suddenly appears. It was a surprise for Junichi and Nemu. Sakura tells them, "I came to fulfill the promise we made when we were children..." <<less