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....
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....
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....
Hey, you
e so defenseless, selfish and beautiful. Why...? Do you know my erogenous zones? Is this because you
e my older sister? You woke me up and took off my clothes. What? I should wear my underwear. Ive never kissed a girl. No, don touch here. No...!
The main character starts working at some house as a live-in janitor. There live attractive five sisters. He is an orphan, so he wants to get everything in front of him. Sisters are confused at first, but they are gradually addicted to it....
The other day, when I was reading an adult book, I thought, "I can tell whose breasts they are by just looking at them. Well, am I a king of oppai?" However, there was no way to prove it.... But one day, I receive a letter and it includes a bunch of free sex tickets! Also, the reverse side of each ticket has the photo of someones breasts. When Im confused, a girl, Nil, appears in front of me. According to her, Im qualified to take part in a game. It seems the tickets aren fake. My mission is to look for a girl whos got the same breasts printed on the ticket. Like this, my search for oppai begins....
Akira lost his father when he was a kid. He now lives with his mother, Misato, and older sister, Ryoko. He has a childhood friend, Ren, living next to his house. One day, when he visits Rens house, he accidentally sees Yuri, Rens mother, having shower. She notices him, and they have sex....
The main character has been transferred to a high school. But, girls soon find out that he is a cherry boy, and they tease him. One day, a fairy suddenly appears in front of him, and gives him magic power. His revenge now begins....
The main character is a rookie erotic comic writer. One day, he meets Kotono, his older sister, and finds that she is his editor. When he is in trouble writing his comic, she gives him advice using her body. She tries various costume plays for her brother, and gradually gets absorbed in it....
Yuuki met a beautiful angel once when he was a kid.... He works at a vet now, which is owned by Setsuna, his childhood friend. He lives peacefully with his friends, Setsuna, Shizuru, a nurse, and Wakaba, his younger sister. One day, he meets an angel again.... "Its urgent!" Her name is Seles. According to her, the world is now facing a serious danger, and there is only one way to stop it. She says, "Please believe me.... If I and Yuuki have sex, we might be able to create a savior angel...." "What!? Tell us about it more!" Yes, all the girls living there are in love with Yuuki. But there is no reason to deny it for him. He makes up his mind, and their erotic rituals start now....
Yusuke is an ordinary high school student except that he mistakenly entered a boys high school. There is no sweet love romance at school.... His one and only hope is... to work at a seaside restaurant during summer holiday and meet girls in swimsuit there. But on the first day of summer holiday, he is hit by a bicycle and twists his ankle.... Yusuke has two sisters and they take good care of him. He needs to stay at home but his parents leave him and go traveling... and he starts to live with sisters for a while....
The main character used to live with parents and three older sisters happily. But their parents passed away in a car accident and each children were accepted by step parents. More than ten years later, here comes a lawyer and tells him that he has a grandfather and his sisters whereabouts. He goes out to meet his sisters soon but he is disappointed to see them to be changed dramatically. He and three sisters gather up at grandfathers house to allot his inheritance. The will says that people who can receive a fortune by inheritance are only one sister and one brother and one sister is decided by a brother! One month is given to him to decide after living with three sisters. Who will receive an inheritance and what will happen to them at the end.
Yuu Shirakawa moves in to his stepfathers house and starts to live with three step-sisters. One day he finds a magic bottle and falls victim to a terrible curse. The only way to break the curse is to fill the bottle with love juice. Living together with beautiful girls while trying to break the curse starts an erotic turn of events in his life.
