R-15 is about a boy, Taketo Akutagawa, who attends a school for geniuses: Inspiration Academy Private High School. Taketo is a genius novelist and writes erotica. Despite negative perceptions many people have of him, he aims to be at the top of his class and be recognized as the world's greatest writer.<br>
<br>
(Source: Wikipedia)

Doujin Work follows the life of a young girl named Najimi Osana and her exposure into the doujin world. She was first tempted into becoming a doujin artist after seeing how much one of her friends can make at a convention. Najimi loves to draw, though soon learns contrary to what she expected that this new world is anything but easy. As she attends more conventions and meets more people, Najimi eventually manages to find a group of very interesting friends. These friends already have some experience in the field and help her out along the way so that she can someday make a name for herself creating doujinshi.<br><br>
(Source: Anime News Network)

Four Netherworld Princesses have come to the human world; witch Uma, vampiress Pachira, werewolf Liru, and android Aiko. But they know nothing about human life and their mistakes make up their daily adventures. Meanwhile, the evil Dr. K-ko wants proof of the supernatural to gain admittance into the scientific elite and what better than one, or all, of the princesses -- if her plans didn&rsquo;t have a tendency to go awry.

The highborn Himemiya Chikane is cool and aloof, the perfect young lady of good breeding. Kurusegawa Himeko is devoted to her, and secretly her friend. Their lives are undisturbed in their school, until an ancient evil suddenly rears its head. To combat it, Chikane and Himeko must take on the roles of shrine maidens of the Moon and Sun. 

Remic