Rio Nakamura

Rio Nakamura is a student in Korosensei's Class 3-E of Kunugigaoka Junior High School.

Appearance
Rio has long, straight strawberry hair (blond in the anime and OVA) and grey eyes (blue in the anime).

Personality
Nakamura is a friendly, energetic girl and a bit of a trickster. She's playful, has a bit of a dirty mind, and has been noted to be rather intelligent. She claims to originally be a serious person.

Synopsis
Like the majority of her classmates, Rio debuted in the first chapter; however, she didn't originally get spotlighted until the first Finals Arc where she and Nagisa were the main rivals to Tomoya Seo in English. Before that, she was introduced during Chapter 18 where she was trying to peek in on Korosensei while he was bathing.

She gets the spotlight once again in Chapter 111, where she reveals her past as a gifted, but lonely elementary school student. She was the top student, but felt lonely and unsatisfied and wondered how would it be feel to be a normal student. Since then, she decided to "be stupid", by shirking off her studies and acting playfully. In the process, she completely forgot how to study and how take tests, prompting her fall into Class E. She expresses her gratitude to Korosensei for providing her with a place where she can both study and do "stupid things" along with her friends.

Abilities
Marksmanship: Nakamura is ranked 4th for marksmanship, girls' side.

English: Nakamura has a mastery over this subject and apparently the language itself and she's ranked 1st in the school for it.

Nagisa Shiota
Rio sits beside Nagisa enjoys messing and harassing with him. She gets a kick out of playing on his androgynous appearance and according to the tankobon extra this is one of her hobbies.

Trivia

 * Her favorite subject is English while her worst is Civics.
 * Her hobbies are jokes and sexually harassing Nagisa.
 * She wants to be a diplomat in the future.
 * It the tankobon extras it was revealed that her current nickname is "Old Mannish Middle Schooler" while her past one was "Elementary School Genius."
 * She was called "Gyaru English" during Class 3-E training using code names.
 * Her real hair color is revealed to be black on a flashback on chapter 111.
 * When she was on first grade, she got 100% on 6th grade tests.
 * Despite the way she acts, whenever a perverted situation happens, she's shown to be completely disgusted.