Based on the erotic game by Undermoon.
Saionji is a lazy employee who always gets scolded by his boss. One day, he was asked to test the effectiveness of an aphrodisiac on the female employees of his company.

Valkyries are virgin warriors of the Norse god, Odin, and they protect the humans from demons of the outskirts. Yet the demons have found the Valkyries’ weakness after the betrayal of the goddess, Freya, to become a sex slave. Thus one Valkyrie was made a sex slave after being threatened that her kinsmen will share the same fate if she did not submit. With the castle taken over, the demons challenged all of the men to impregnate her, if they wish to live…

Kaori is a very popular idol singer. She is just finishing her first live tour. However, this innocent-looking girl hides a secret that makes her not-so-innocent. You see, Kaori is actually intersexed (or, in less medical terms, a “hermaphrodite”). She has two sets of “parts”. Only her manager and lover, Yuko, is aware of this. A rival idol singer and lesbian who appears to have known Yuko in her past, Saki, is also about to find out. If word of Kaori’s secret ever gets out, her career will be finished.

A horrible murder has been committed on the grounds of Nankai Academy. Professor Yuko, one of the school’s most popular teachers, died when she was pushed off of the roof of one of the school’s buildings. Her death has left her students with feelings of confusion, pain, and above all else… anger. Four of her male students, Masayoshi, Daisuke, Mitsuru and Shinya, are determined to uncover the truth. They soon discover an important clue: Professor Yuko’s planner had been marked on the very night she was killed… marked with the names of seven girls.
With this evidence, the boys begin their investigations… and they’ll use any method required in order to find the murderer. Through rape, manipulation and torture, they uncover important details, but piecing the puzzle together won’t be easy. And the longer their search draws on, the more they feel themselves being overtaken by their own dark desires… Will they ever find out the truth behind Yuko’s death?

The town bridge on Tiara Isle collapses after a large earthquake and to fix it, a large amount of silver metal is required, so Rune is off to the cavern to search for it.
In the cavern, Rune is assaulted by slimes, and Sharvan saves her just in time. However the only thing she can do to thank him is offer him her body…

Based on the visual novel by Waffle.
Sanjou Maki is the girl living next door to Sakonji Seiichi. She appears to be well-bred, gifted with both beauty and brains. However, one night, Seiichi sees her masturbating on the veranda…
Maki easily admits that she’s a dirty girl and jokingly suggests to Seiichi that she should be blackmailed into being his sex-slave.

After having sex with his sister, Hiroki and Hitomi haven’t been having as much sex, so they decided to go to a love hotel. Hitomi puts on her old glasses for Hiroki’s sake. He puts lotion on her and asks for her to do some of the same for him. The next day, he goes to the pool with his sister, and finds himself getting aroused once again from glasses…

Wataru is a young man who moves into an apartment next to Tomoka and Fumie Fusono, two voluptuous sisters who used to know him when he was a shy child. Now Wataru is all grown up, and the Fusono sisters are ready to take full advantage of that fact.