The protagonist, Ayano Taiki is a physics teacher at a high school. In school, he also acts as an advisor for the Astronomy Club which is a club consisting of only two members, sisters Aimi and Yumeno. He is living a peaceful and fulfilling life.
One day in July, Taiki is invited by the sisters to come with them to have a "training camp" in their home village they are returning to for summer vacations. Since he has no parents or relatives and as such, nothing to do, he gladly takes the sisters' invitation
When summer vacations start, he arrives at the countryside where the sisters wait, there he meets their cousins Saki and Chieri and receives a warm welcome.
This will be a great vacation, is what Taiki thought... But what awaited him, were quickly-passing days full of obscenity.
Impregnate heroes and demons to create the ultimate army and push your desires
to their absolute limit!
Summoned to another world by a powerful demon, a man finds himself at odds with
retired hero of legend Lucia and the current hero, her daughter Sara. But with none of the
expected parallel world advantages, he goes down in one hit and is left by the wayside.
Defeat here would be a death sentence, so he concocts a plan -- take Lucia hostage and
teach her a thing or two with his dick! Now she's loyal only to him, and he impregnates her
as part of phase 2 of his plan to create a dark harem army and walk the path of depravity!
The former hero, Lucia...
her daughter and current hero, Sara...
And the cold, capable demon lord, Karla...
They're all as strong as they are beautiful... but they're no match for your dick!
With your powers of penile persuasion, no one can stop your plan to rule the world!
Ayato is an exorcist who works for the government. This time his mission is to investigate and destroy a supernatural object which had been brought into the sword arts school Murakumo Gakuen. With the help of his team members Hime and Ruri, he traced its location to Matsurika, the sole daughter of the head of the Swordbearing Defence Group. They were successful in destroying the object, but as a result, Matsurika became the initiator of the Spiritual Calamity. To teach her skills to fight against spirits, Ayato became a temporary mentor to her.
“No matter what, I want to stand by your side…”
What if a younger girl wants to take care of "you"?
The protagonist lives alone after getting transferred to a local city. One day, he met Hiiragi Isana, a girl who has problem with her bicycle.
As a gratitude, Isana who learned protagonist's circumstances offered to taking care of him. Thinks she said it as a courtesy and won't actually happen, the protagonist casually agreed, but...
Isana actually came to his home and taking care stuffs like meals and cleaning. Then, while playing together and taking care of Isana's study and other stuffs, the distance between them got closer and closer.
The new throbbing daily life with younger girlfriend starts.
Second year, Tsujidou Tadaomi thinks that, next year I have to prepare for entrance examination so this year, I want to make the best summer vacation memories with her.
So what kind of summer would you like to spend with her?
Do you want to lead or do you want to be lead?
The main character returned to his parents' home after university, but there is awkwardness with his family because of his long dormitory life.
He shared it with his mother's senior and neighbor, Kyoko Kawashima, but she actually wanted the protagonist to be her own son. She set up naughty skinship in form of advide to dazzle the protagonist.
However, his mother, Chikage, notices it. Kyoko then goes all in to shrink her relationship with her own son.
In addition, his tsundere's younger sister Aki and Kyoko's daughter Yuma participate in the battle, and the kinky family's skinship around the hero begins!
In the past, this island was a fertile and peaceful kingdom ruled by a royal family. The coat of arms was carved in the likeness of dragons and angels, the protectors of the kingdom. The kingdom's history was said to span several thousand years, the faith of the denizens in the reigning king and queen strong and the entire island enjoyed the embrace of peace.
However over a decade ago, demons suddenly appeared and attacked the kingdom. The Knightly chapters were annihilated by the demons' powerful magic. The King and Queen were killed and the capital was felled by flames in just one night. The archdemon who attacked the kingdom styled herself the "Progenitor Demon".
The archdemon proclaimed the island would be ruled by her loyal subordinates, the five "Witches".
Now, the island is under the witches' control. The five witches are beings possessing great power, the island's denizens are cowed by the witches' intimidating powers. The witches have ruled for over a decade, but none of them age nor weaken. If anything their powers continue to grow. People think that making a contract with the Witches and the demons would allow one to gain eternal life and magic powers. Those who opposed these beings who were effectively demons found their numbers dwindling, until the island's denizens resigned themselves to the witches' cruel reign.
Gilbert, a man who hunts demons for a living yet has command over demonic powers, ventures forth onto Regulus island to hunt the demons who have possessed the Five Witches as well as the Archdemon who dominates them.
What fate awaits him...
During an enrollment exam at Sword Arts Academy, Shimojou Kazuma's special ability suddenly activated towards one of the female examiners, leaving her stark naked.
Kazuma, who developed special abilities that could only be used by women, was instead forced to enroll at [Toaru Girls Academy], a place where the huge breasted elite of society attended. At Toaru, the level of a students' skills is determined by their bust size, those skills are also called [Paikokinesis].
On the other side, during that time, he had a fight with his sister which ended up with his smartphone breaking.
In order to repair it, he went to a cellphone shop that caught his attention a day before. Instead of repairing his smartphone, he ended up getting a strange new one. Upon trying it out, an app immediately caught his attention.
Tapping the app's start icon, a blinding light spread in front of him. When the light faded, there was a dreamlike scene before him: a plethora of girls -- including his childhood friend Rio -- were bathing in Toaru Academy's public bath.
Now, as if it was his destiny, with this otherworldly Super Erotic Smartphone and its Super Erotic Apps, Kazuma's life at Toaru Academy begins as he aims to conquer all of its students.
A century or more from now, all humans have acquired superpowers in this new world. These powers are such a commonplace that those who do not possess them are viewed as outcasts. Civilization has greatly declined during this time of change with the human population greatly reduced and nature reclaiming lands which had been developed.
The town of Raillore, with brick dwellings reminiscent of the Middle Ages, is surrounded by forests and rivers and blessed with fertile soil. Since the concept of countries has vanished, it is self-governed by an order of knights who fight crime to protect the townspeople.
One time, it was confirmed that there were people called ‘errors’ with unknown powers known as ‘moments’ which bring about strange phenomena. These events caused fear to the masses and it was up to the order of knights to deal with the situation after it was determined that the errors suddenly appeared due to an illness.
