"Auntie Yuriko's run away to be with her lover!? Could this be the chance I've been waiting for!?" Misato plans to use this opportunity to get close to her beloved uncle, until her ulterior motives are...

A story about a big sister trying to seduce her younger brother.

There are three rules for me and my cousin, Tsukasa, to live together. The living expenses shall be paid by Tsukasa. 2. I shall be in charge of all housework. And the 3rd rule, which is a secret to my parents...

The once peaceful land of Egypt has been stained with blood under the tyrannical rule of Seth, the god of war. Horus, son of the god Isis but not yet one himself, rises to challenge the throne and put an end to...

Kotaro goes to work as a housekeeper for Ayumi, a relative of his mother, and a man Kotaro has admired since childhood. He became somewhat disillusioned by the slovenly state Ayumi lives in, as well as his...

After getting a job at the same company as her favorite relative, they begin to live together. One day, she is seen by her Uncle, the man she looks up to the most, getting asked out and hit on a co-worker...

From Starry Sky Scans: High schooler Souta has been freeloading at the apartment of his relative Ichitaka, the man he once admired with a cool demeanor and was good at everything. However, in the time that they...

When he was young, Kouichi ("Usa") was taken in by his cousin Kaname's family. Usa extremely hates when others touch his neck... But what might be behind his strange behaviour? Also contains non-shounen ai...

Happy End? 2. Tiny HeartKirakira (Twinkle)Summer DaysHadaka no Mama de (In the Nude)SatisfactionLilithKuro no Hana (Black Flower)Sisters TyphoonFutari no Yoru (Their Night)Koisakari (Love Peak)Hana yori Haete...

Having barely escaped being killed before birth by his parents, he thinks he’s used up a lifetime worth of good luck... Sumire, a bartender who attracts only good-for-nothing men, has given up on happiness...

Hana who loves to sleep and has a hobby of sleep research and Takashi Kiichi 's room share life. There are lots of sleeping laws that can be used right away in such two lives… Let's sleep together with the...

"Sister, I couldn't be a good brother." Older sister Aria felt obsessed with her younger brother Elliott. Aria, whom she cherishes as part of her family, kept a certain distance, but with the death of her...

Fuji Azuma is thrilled to have the chance to spend two whole weeks with his adorable 8-years-younger nephew Taira, head over heels for the kid and the proudest uncle there ever was. But when he learns at the...

The tale of an "uncle" and a "niece" who are not blood relatives. The story of a girl that was living by herself due to certain family circumstances...until one day, her father's younger brother comes over to...

Emi Asai, a run-of-the-mill office worker, is currently living an apartment with her gay older relative, Kiichi Uno. A good-looking guy, Kiichi works nights as a bartender. Best friends since forever, they...

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!! Original Web Manga

Is the astronomy club actually a black hole of love?! Haruki has drifted into the club, but the senpais there are all weirdoes...

Original doujin manga, 2nd of the series. It all started with a kiss, and a brother and sister both became hooked on an incestuous relationship. During summer vacation the brother, who now lives by himself...

When Kaoru was summoned by his Mom and went back home after several years, he was asked to take care of his uncle because she was going abroad. His uncle Kei is much younger than his Mom, and Kaoru really...