Junko lost her husband about ten years ago and she has been bringing up Ryouichi, her son, alone since then. One day, when he is asleep, she secretly gives him a blowjob and has sex with him. Two years later, she gets remarried.... One night, he accidentally sees Junko and his new father having sex. He remembers what happened two years ago and feels an irresistible impulse to get her back....
Taichi just enters high school and starts living at his cousins house where four sisters live, Otoha, Kaguya, Momone, and Nora. They are all teachers at his school. On his first day there, he has a party with them and goes to bed. When he wakes up at midnight, Kaguya gives him blowjob! He can do nothing, just pretending he is asleep. On the next day, there is no sign of it. Is that just a dream? Like this, their erotic school life starts...
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....
St. Valentines Day..., Hikaru is an ordinary but kind student. He gets only two chocolates out of courtesy from Saki, his childhood friend, and Hotori, his older sister, every year. But he receives the chocolates from five girls this year, and he is forced to choose one girl out of them by White Day. Since then the five girls try to approach him in various ways, and their deeds gradually get bolder and bolder.... Who is Hikaru going to choose on White Day...?
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.
Tatsuya experiences the worst day of his life; the game that he developed tanks on its sales, his girlfriend breaks up with him (just when he was about to propose to her) and finally that night when he was speeding up with his car he gets involved in a big accident.
But instead of dying, he finds himself surrounded by a bright light and wakes up in his room in the morning, shortly to notice that he is back into his childhood. But he has all his memories and knowledge, he decides to take this second chance given to him to make his life better...
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.
Touya started to live with four tutors during the summer holiday. His father has gone abroad for business and his life has become a paradise with four beautiful women. Erotic lessons by four teachers have begun!!!
This time a new protagonist gains the ability to transform himself to objects, again thanks to the powers of the magical cat Niniko. And the comical situations continues...
##################################
RAR have Henshin! 2 and Henshin! 2 The Anime.
