Yoshitsune lives at the house of his childhood friends, Orihime and Otohime.
One day, Otohime makes a strange drug, which can bend time and space, and Yoshitsune gets the power.
With the power of the drug, Yoshitsune invites various historical people and they get panicked! He tries to send them back, but he doesn't know how...
Like this, Yoshitsune starts living together with them...
Shigeru works for a railway company. He just works lazily and enjoys train molestation every day.... One day, he finds a cell phone website, "More excitement? Train melestation community." He soon gets interested in the website and takes action for the next target girls....
Phew, I was so surprised...
Why was I surprised? A beautiful woman suddenly came to my house and said she would work as my house maid. Of course, I was glad...
I'm Koji. It seems my grandmother sent her to me...
But how come...?
Hiroto doesn't wanna go home... because of his three older sisters.... Two weeks ago, his father suddenly got remarried to a woman who has three daughters. Therefore, he has three older sisters now.... Since his father and new mother are now on honeymoon, there are only him and three older sisters at his house...
Protagonist Yosuke Ikeda was reminded of his own shortcomings in the daily presence of cool-headed, talented, universally popular lady Saya Mikogami. She saw him being humiliated for his lewd tendencies and decided to fix him up by taking a private holiday to an uninhabited island. At the same time as they trained Yosuke and Saya became lovers, as she showed him the ways of sexual discipline... a splendid baby-making life with the cool, perfect older girl!
Yukino has a daughter, Emi. One day, Emi brings her boyfriend to her house. But they have a quarrel and she leaves the house.... Yukino enters Emi's room and says to him, "Well, I'll teach you how to have sex...."
One day, Hiroyuki notices that Nami, his old friend, is molested in the train. Since he has no courage to stop it, he just puts his bag between Nami and the molester.... The molester soon leaves the train.... But Nami says, "I'm still sexually excited...." Since then, his life completely changes. He just molests Nami in the train every day.... Also, his classmate, Nami's younger sister and his older sister join them....
Katsuma is just a go-boy of his female bosses... Whenever he has a battle against Silverstar, a hero, he loses...
One day, when he has another battle against Silverstar, his bosses suddenly trap Katsuma and Silverstar. When he regains his consciousness, he finds himself being taken care of by Maria, another Silverstar. Katsuma is attacted to her kindness..., no, he just sleeps with her... However, he acquires a special power by sleeping with her...!
He soon decides to take revenge on his bosses...
The main character is good at inventing something odd. He is actually the boss of the science club, which is famous for the invention of strange creatures. He now secretly thinks, "I wanna adapt the girls!" He decides to call the adapted girls "Zettai Bishoujo". There are three Bishoujo at school, Sayaka, Maria and Mana....
Yuya suddenly takes in charge of a substitute sick-room teacher of his school though he is still a student. There are a lot of his childhood friends at school, so he is excited to do physical checkup. His evil ambition gradually comes out and he decides to make all female students pregnant...!
Ryuya has an older sister, Miya. He lives a peaceful school life with his friends. But one day, he and his friends accidentally drink a medicine juice. Once you drink it, you'll become sexually sensitive and get sexually excited soon. Especially the breasts of the girls who drink it will get bigger and they will need to have sex to cool down. Also, to make a vaccine, they will need to get pregnant. Like this, Ryuya starts having sex with the girls to cool them down and make a vaccine...!
Ryusuke belongs to the male swimming club. But one day, the club is forced to close down because of an accident. He asks Kasumi, his older sister in law, not to close down, but she ignores it. After all, he joins the female swimming club to do chores. "I'll get even with you someday...." One day, he accidentally sees Kasumi masturbating in the club room....
Shiori has two older sisters, Amane and Misaki. People around him think he has a sister complex, so he decides to be remote and cold to them. But one day, he receives an email, "Send us a picture of you and your sisters kissing at school. If you don't, your secret will go public...."
There is an isolated village deep inside the mountains.... Kaname and Hiyori visit the village to look for their co-worker. They are welcomed by Soujiro, the boss of the village, Hiyori, his wife and their two daughters, Tsubaki and Sakura. Kaname and Hiyori decide to stay at thier house for a while. But one night, Tsubaki suddenly says to Kaname, "I would like your semen to give birth to the next miko...." Miko... with white hair and red eyes... worshipped by the villagers.... Also, Sakura and Hisako start approaching Kaname.... As time passes, Kaname gradually knows the secret fact....
Kazuki doesn't have his parents. His father passed away before and his mother went missing.... One day, his grand-father picks up seven stepmother candidates including famous actress, female doctor and so on.... They all come to his house to be his mother! Sometimes severe and sometimes tender.... His life with seven mothers starts now....
Itsuki works for an advertising agency and he is in charge of a game production company now. Yes, his mission is to make the company popular. There are some young female workers there. "Well, I can control them as I like...."
Masaki was told by his father that he must marry one of the Tenjouin sisters: tsundere Yuzuna, tennen Sakura or pettanko Koyuri. And there’s also a maid who’s his osananajimi, a bracon imouto and a loli nurse.
The main character, a prefect, lives with his younger sister, Haruka. He loves Oppai and cosplay girls. Though he keeps it secret at school, there are a lot of cosplay uniforms in his room. Of course, Haruka dislikes him.... One day, she finds a tissue paper her older brother used for masturbation in a dust box. She feels sick at first, but she gets sexually excited when she smells it.... The main character sees it all and knows that Haruka always gets sexually excited by smelling semen....
One day, Yamato, Mikoto and Takeru visit a village in the mountain for the training to be monster hunters. They have various hard trainings and finally become the monster hunters. But there is something wrong with Yamato's body.... His body gradually changes into a monster.... What is happening to his body? Who can stop it? To save Yamato, Mikoto and Takeru make every effort. What is a secret of Yamato's body? What will happen to Mikoto and Takeru?
