Onizuki Rei is a female student whose parents died when she was very young.
She is a quarter-blooded girl with a grandfather from a Romanian vampire family, but her vampire blood is thin, and she lives almost the same life as a normal person.
The wooden sword she carries around with her is the only memento left by her father, who was a master swordsman, and she has been honing her skills by herself based on her father's sword line that remains in her memory.
All this in order to eradicate the demons who are also the enemies of his parents. ......
After hearing information about the demons he wants to kill, Zero transfers to a school and meets a woman.
The woman, named Kandou Tsumina, is an exorcist who, like Zero, is hostile to demons.
However, her philosophy of action is completely different from Zero's, and the two are incompatible.
Nevertheless, as they unintentionally fight together against the demons that appear, they recognize each other's abilities and gradually grow closer.
Furthermore, as Zero interacts with Yuka, the older sister of Setsuna, and Fuyuma, the childhood friend of the sisters, he gradually opens his heart to them.
However, what awaits them is a lewd hell with no end in sight. ......
It was the same as ever here at the Kuromoneko Branch of the Demon Shop.
It is the job of Fukakoto Shiratori to exorcise the demons that infest the world - in other words, demons.
But for some reason, ..., this office has been out of touch with money all year round.
"I've got a request! It's the first decent request in 49 days. !!!"
The messenger's nighttime voice echoed through the dreary six-tatami room.
It's a great way to make sure you're getting the most out of your money.
This time, he was asked to find out why spring had not come to the village.
Together with his twin sister, Takeshi Shiratori, his best friend, Mizuyori Kayama, his childhood friend, Yamato Tachibanaki, and his powerful companion, Suzuko Kokonoe, he heads for the village where the snow is falling.
The group is greeted by an unexpectedly beautiful inn and a slightly erotic innkeeper with a gentle smile.
Yamato and Erodigijii get along well, talking about erotic things.
However, contrary to the carefree Yamato, the village is filled with an inexplicable specter. ...
"Okay, it looks like we have to go there!"
"We just have to act! I'm sure you'll be able to figure out what's going on. ..."
What is happening now in this once prosperous mining town?
The curse of the swirling snow yaksha is now attacking the Black Cat Branch. ...
The year is 200X.
Sakaegomachi, one of the most famous entertainment districts in Japan.
It's still a shithole of men and women, young and old.
In this town that looks like a cesspool.
I'm living my life as an overwhelmingly powerful man, devouring my desires.
"Oh, ......, I want to fuck a better woman, ...."
I picked up the remote and turned on the TV.
"Hmm ......?"
The woman on the TV was beautiful, with long hair that looked like silver thread, and a face that was almost inhumanly beautiful.
"The princess of Lidomere Kingdom, urgent visit."
"A welcome party will be held in Tokyo in the near future."
"I was hoping for more than just an ordinary woman, but ...... a princess. I've never had sex with such a noble lady."
I've had plenty of proud bitches in my life.
I'm not sure what it's like to break the hand of a noble flower.
St. Orkis Academy.
A school for girls with a long history, founded by the Tozuma family, a prominent family in this region.
In recent years, the school has become co-educational, but there is no sign of its prestige.
The head of the Higashi family is the president of the school, and his daughters are still enrolled as the school's president and students.
The Azuma family has long been known for its feminine lineage, and everyone thought that their prosperity would continue to be unchallenged in the future.
But now, a disturbing shadow is creeping into the peaceful school.
The identity of this shadow is the Nishiki family.
The Nishiki family is an emerging conglomerate that secretly cultivates sex workers, and with the profits and connections they make through their sales, they have deep roots in the world of politics and business.
The Nishinori family has unleashed an assassin in an attempt to eat the Azuma family.
The assassin's name is Comet Kuga.
Although he is still young, he is a skilled pedant who can turn any woman into a superb lover.
Without knowing his true identity, the Azuma family accepts Comet as a transfer student at St. Orkis Academy. ......
There is a dormitory at a private school for training high-class ladies, where students are trained secretly 'To Serve Men'.
However, one of the students got pregnant during the training.
To prevent this from becoming a scandal, the pregnant student was expelled and the dormitory was shut down in fear of causing another incident. Many years passed and now the decaying building is awaiting demolition.
The protagonist, the bastard child of the accidental pregnancy, negotiates with the current principal of the school using the story he heard from his mother.
He negotiates to reopen the dormitory, and work there as a manager.
He only has one goal in mind.
To drain the slaves he has raised and taste their milk.
So the dormitory known as the 'Mistress Administration Building' has been revived by the protagonist. The building will be transformed into the 'Slave Management Building; where the sounds of schoolgirls being trained and milked will echo throughout the night.
Hundreds of years have passed since humanity began to immigrate into space. Humanity has spread too far and created their own agendas and interests. Soon enough, war occured with the usage of battleships and robots.
The protagonist was once an excellent test pilot. Now, he is a humble mechanic after an accident forced him to be transferred.
Unable to quit the army, he spent his days aimlessly. Soon, he was assigned to a newly established battleship that focuses on reconnaissance and collecting data.
However, during maintenance, he discovered a secret hidden in the ship. One that caused him to shake in anger. And the words that appeared in front of him.
'Please enter what you want me to do'.
That changed the fate of the protagonist in the future.
Sekitani Jun is a timid and docile sixteen year old schoolboy who intends to eventually follow in his grandfather's footsteps and become a Buddhist priest. After his parents have to temporarily relocate, Jun's friend's mother Miyuki agrees to accommodate the boy in the apartment complex, where she is a landlady. To Jun's great misfortune, all the other apartments in the building are populated by perverted nymphomaniac sluts, who immediately set their sights on him.
Okamura Yuuto is an introverted young boy whose father send a relic which can put anybody into an hypnotic state, ready to obey to any suggestion. Disbelieving first, Yuuto discovers that the relic truly has hypnotic power.
Longing for Asagiri Kasumi, his senpai from the same literary club, he crosses the line and uses the relic on her. He starts by extracting personal information, which is how he learns that the rumor about her dating someone is true.
Jealous, he finally decides to make her believe she is his girlfriend when they are alone.
