When you wake up after hitting your head, your sex drive will be multiplied by 4000?! Seigo Hasegawa, a man who has suddenly acquired a cheat sex drive, and his childhood friend An Yagami, who feels responsi...

Shinichirou would rather spend his life playing games on the internet, but sadly he's a heir to a company. His grandfather deems his current life-style unfit for a heir, so he throws him into a house with ei...

Aoi Kururi is an onmyou-ji who is studying smells at a private academy. He in fact hates using onmyou magic, but when a spell is mysteriously cast on his whole class that causes everyone to wet themselves, ...

One day, school teachers come as freeloaders to the inn run by his parents. Hiro Kazami, a high school boy, decides to take care of the inn and his future. Under one roof the forbidden harem romantic comedy ...

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 st...

Aoi Sakakura, a single woman in her thirties lived a dull life.But one day on the way home from work she fell down the stairs,and end up in a body of a young male high school student who was sick.

Ayame is 14 years old. More than a child, but less than an adult. Ayame is quickly becoming more interested in sex and sexuality and her close friends are facing similar confusion. This is a coming of age st...

One day when average middle schooler Koji Miyahara came home from school, he found a naked girl sleeping in his bed. To his surprise, she was a ghost, and her name was Alice Fujinomiya! Alice can only be s...

The all-girls' school Yuri transferred to should have been one of discipline and morals. However, when she arrives, she discovers the girls follow their own rules thanks to a conceited honors student named L...

Hiromi can't wait for her cousin Makoto to come live with her - but when "he" finally shows up, she gets a good deal more than she bargained for. Toshiki Yui turns a hentai fetish into the plot hook of this ...

More than ten years have passed since dungeons suddenly appeared on Earth. In a world where people with excellent skills play an active role as adventurers, the skill that high school student Takeshi Miyamot...

Makino Yayoi is a 16-year-old high-school girl. She made a promise with her mother that she wouldn't have sex until she turned 20 years old! However she believes that promise to be in danger! She mistakenly ...

Muto Yuzuki was ready for a whole new life and a different self when she got to middle school but she didn't expect it to be literally torturous. Yuzuki is “persuaded” by an upper classman named Funaki A...

When the mantis-like aliens known as Kiseichuu descend on Earth, they have one goal: eradicate the human race. They do so by absorbing humans' H-energy–the sexual passion that fuels so many people and keep...

Tsuchie Takeshi has dreams of when he played with Hikari-chan as a child. He remembers her as a kind, sweet girl. However, one day on the way home from school, Takeshi is abducted and taken to a huge house, ...

Kotesashi Kouyou is the protagonist who possesses outstanding skill as a masseur. He aspires to become a sports doctor and wants to get scholarship in medical school. Starting spring, he will attend the high...

This manga is about the sexual adventures of three very sexually-curious girls that attend an all-girl's high school.

Tooru Amano is a useless art student who keeps failing grade after another without being able to draw his graduation project. However, Tooru once attracted the public's attention with a painting he drew duri...

Junpei Ichinose, a student at a magic school in Tokyo, is a dropout who has never discovered his magic aptitude. Suddenly, the beautiful witch Meryl appears before him and tells him, "I need your power, the ...