The one thing not ordinary about high school student Ryouta is that he has an aspiring manga artist for an older sister. She is so dedicated to her drawing that, despite being 21, she's never really been in a...

From MangaHelpers: Shun knew what to expect when he became a high-school student. As he entered the gates of his new school, four beautiful girls suddenly surround him. These four girls are the same four girls...

When an orphan encounters the eldritch demon Shub-Niggurath, the "Black Goat of the Woods with a Thousand Young" offers him one wish. His request: "Become my big sister."

From MangaHelpers: This is the story of a pair of step-siblings who are now living alone together. The high-school-age older sister, Kyoko, is pretty wild (and is even into pro-wrestling), while the...

Ten spicy short stories involving big sisters. Cover: Namboku

The younger brother waits anxiously at his parents' house for his older brother's return, accompanied by the latter's girlfriend whom he's meeting for the first time. However, he notices something amiss—sweat...

From Kane-Neko: Take one Ronin, an academic failure, and drop him into a dormitory where 5 women reside. Add a little clumsiness and what do you get? Humpty Dumpty? The Three Stooges? Well...sort of. Keitaro...

Murakami Sho has been putting years of blood and sweat into G&G Gold, a large banking company. He came up from nothing, worked insanely hard and now lives very comfortably, even having Rei, the hottest girl in...

Please, help me travel through the labyrinth to save our kingdom!” The elf girl he saved pledged as the adventurer Alba was about to turn on his heel. With the labyrinth having the rumour of granting whatever...

A boy is initially overjoyed at the news of him having an older sister, due to his father remarrying to a woman who has a daughter. That is, until he finds out that his new sister is actually his school's...

Some 20 years have passed since the protagonist was summoned to another world and retired from the army. He is still single in his 40s and lives as a low-ranking professor, until one day, an elite 'monster girl...

Late has just accepted an assassination from a strange, mysterious client. To his surprise, it was actually the goddess Mises. A goddess from another world whose exsistence was on the brink of destruction after...

Kuroda and Shimamura get trapped in a classroom and everything gets worse when they see two of their teachers are having sex.

From MangaHelpers: Terahara Yuta has the ability to see ghosts and to understand what they're thinking, but he can usually do little about them. He seeks out the genius medium, Sasagami Aoi, and convinces her...

The memory in the window, the swaying greenery -- That last summer, already lost --A single tear moves the heart, small lips and soft whispers-- This world is beautiful --Sweet aroma, soft warmth, guarding...

Meet Tsubaki Kuchinashi, the Manhater Princess. Beautiful and popular, Tsubaki's core strength in high school comes from her position as the principal's granddaughter - suffice it to say, but any student or...

Vol.1: Rin Todoroki's life's pursuit of completing his parent's unfinished novel has left him pushing thirty without a penny to spare. Desperate for a roof over his head, he takes up a generous offer of rent...

A 32-year-old single mother is told by her neighbor, a university student around 20, that he likes her. Thing is... he's not particularly shy about why he likes her.