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Penis Length: 18 cm The protagonist himself. Seiji used to attend the all-boys' school next door, but was then forced to cross-dress as his twin sister by his own twin sister and attend her school as her. They both share the same face, but their ... read more

Penis Length: 18 cm The protagonist himself. Seiji used to attend the all-boys' school next door, but was then forced to cross-dress as his twin sister by his own twin sister and attend her school as her. They both share the same face, but their personalities are completely different. Unlike Sena, who is smart and very confident, Seiji lacks confidence and is a tad timid. He is neither good at sports, studying or socializing; it's as if his twin sister sucked out all of his good traits to herself. So it comes out as quite a shock to him when he finds the whole school worshipping him. His dick in its normal state is pretty small, however, whenever he pops a boner over anything it turns out to be 18 cm (~7.1 inches) long. After losing his innocence to Chiharu, the other girls in the academy start lusting after him, becoming even more intrigued of his holy weapon resting inside his pants.

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Likes: Whipped cream Dislikes: Mushrooms Seiji's (in reality, Sena's) rival and classmate. She is an ojousama due to her father owning his own business called Aibu Corporation. Ruriha is only n... read more

Likes: Whipped cream Dislikes: Mushrooms Seiji's (in reality, Sena's) rival and classmate. She is an ojousama due to her father owning his own business called Aibu Corporation. Ruriha is only next to Sena in grades, and plans to overtake her sometime, becoming the number one of the school. She is also Akino's roommate, and is often lecturing her about how she only talks about "mushrooms" so openly.

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Likes: Being first in everything Dislikes: Her stupid brother Seiji's younger twin sister. They both have the same face, but their personalities are completely different. Sena is smart, not to mention her thought process is quick. However, she is... read more

Likes: Being first in everything Dislikes: Her stupid brother Seiji's younger twin sister. They both have the same face, but their personalities are completely different. Sena is smart, not to mention her thought process is quick. However, she is a narcissist with the biggest pride out of the girls. She's also a mimidoshima (a person with lots of knowledge about sex) despite being a virgin.

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Height: Ranges around 30~140 cm Likes: Fun, exciting and lively things Dislikes: Irrational things The goddess of the festival herself and Seiji's "mentor". To her, Seiji is her greatest discipline and student. Has the ability to prevent pregnanc... read more

Height: Ranges around 30~140 cm Likes: Fun, exciting and lively things Dislikes: Irrational things The goddess of the festival herself and Seiji's "mentor". To her, Seiji is her greatest discipline and student. Has the ability to prevent pregnancy when Seiji has sex with any of the girls leaving him free to ejaculate inside them without worry.

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Likes: Mochi ice cream (ice daifuku), cats and dogs Dislikes: Spicy things (wasabi, shichimi); they're all her enemies A first-year and scientist who does researches daily. In the future, she hopes to become a biolo... read more

Likes: Mochi ice cream (ice daifuku), cats and dogs Dislikes: Spicy things (wasabi, shichimi); they're all her enemies A first-year and scientist who does researches daily. In the future, she hopes to become a biological engineering director or doctor. Setsu is a cool-headed, animal-loving pervert who loves reading erotic novels and is very knowledgeable about sex (just like Sena), but she has no experience at all. She is also interested about the concept of "girls armed with penises". Not to mention she is also a pee maniac.

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Likes: Teasing and observing Seiji Dislikes: Nothing in particular The senpai everybody adores and admires, she was the last year's festival's male god. In fact, she is so popular that she has a dedicated fanclub. Due to her experience (she is al... read more

Likes: Teasing and observing Seiji Dislikes: Nothing in particular The senpai everybody adores and admires, she was the last year's festival's male god. In fact, she is so popular that she has a dedicated fanclub. Due to her experience (she is also sexually knowledgeable, despite not having any experience herself), she is the girl who can help Seiji the most. Chiharu knows the ins-and-outs of males due to her little brother, who she used as a test subject more than dozens of times. She is also happy how her cup size has changed from A to G this year. Maybe it was due to the fact that she was the male god and was really blessed last year.

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Likes: Dicks (because they're cute), mushrooms (because they resemble dicks) Dislikes: Whenever Ruriha lectures her Seiji's classmate and the president of the Art Club (and the second out of th... read more

Likes: Dicks (because they're cute), mushrooms (because they resemble dicks) Dislikes: Whenever Ruriha lectures her Seiji's classmate and the president of the Art Club (and the second out of the two members) who is airheaded and clumsy. After witnessing Seiji's dick the first time, she becomes completely attached to him and intrigued about it, even to the point of wanting to draw only pictures about dicks. Due to this, she is often lectured by her roommate, Ruriha, for so openly talking about dicks.

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Likes: Her master Dislikes: Chocolate (it's so bitter and black) Maradonna-sama's servant who suddenly appears at St. Maradonna Girls' School as an adults shop clerk. She also sells food and other goods, but mostly adult goods with overly high pr... read more

Likes: Her master Dislikes: Chocolate (it's so bitter and black) Maradonna-sama's servant who suddenly appears at St. Maradonna Girls' School as an adults shop clerk. She also sells food and other goods, but mostly adult goods with overly high prices. Her favorite good is vibrators.

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Likes: Onee-sama Dislikes: Everything that gets in the way of her onee-sama Seiji's classmate who is completely attached to Sena, calling her "onee-sama" and believing to have been connected to... read more

Likes: Onee-sama Dislikes: Everything that gets in the way of her onee-sama Seiji's classmate who is completely attached to Sena, calling her "onee-sama" and believing to have been connected to her by a red string of fate. She believes their bond is absolute and cannot be broken by no means.

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Likes: Meat, sake, red wine Dislikes: Sports (she gets exhausted quickly) Class 2-A's homeroom teacher who is always wearing nun's clothes. Kurisu is an alumni of St. Maradonna Girls' School, and graduated 5 years ago. She is also the girls' dormitory's manager. She believes that everybody who brea... read more

Likes: Meat, sake, red wine Dislikes: Sports (she gets exhausted quickly) Class 2-A's homeroom teacher who is always wearing nun's clothes. Kurisu is an alumni of St. Maradonna Girls' School, and graduated 5 years ago. She is also the girls' dormitory's manager. She believes that everybody who breaks the rules should receive the same treatment, same/equal punishment.