Natsumi Murakami is a character from the Mahou Sensei Negima anime and manga.
Natsumi is Chizuru's rather plain roommate and first takes a real role in the story when she stumbles upon Kotarou in his dog form, after which she takes him home and becomes his surrogate sister figure. Or at least, that's how it worked for Kotarou, while Natsumi actually ends up developing a crush on the boy.
In the AWA fics, Natsumi is a student at the AWA Academy.
Natsumi has short orange-pink hair and has green eyes, and a freckled face. She usually wears a Mahora Academy uniform.
She is a sweet yet shy girl who is an actress in the theatrical club. She loves acting but dislikes her ad-libs as well as her own appearance (underdeveloped figure, unmanageable hair, and in the manga, freckles) because her body is not very 'mature'-looking. In the manga, she also has freckles, and a complex about them as well. This is made worse by being roommates with Ayaka Yukihiro and Chizuru Naba, who both have mature bodies and bigger breasts. Kotarō, who is also staying with them, assumes the identity as her younger brother. Although the role was forced on her by Chizuru, Natsumi seems to be adapting well to the role of being an older sister. Recently however, she seems to be showing signs of jealousy regarding the girls Kotarou has been talking to after the festival (Yue and Nodoka, Kaede, Mei, and Takane). Although their difficulty expressing their feelings is the cause of many fights between Natsumi and Kotarou, it becomes apparent that they truly care for one another.
Natsumi describes herself as "ordinary middle-schooler", with no unique talents or magical abilities. As a member of the drama club, it is possible Natsumi has exceptional acting abilities, but there true extent of her talent is unknown due to her low self-esteem. Over the course of the Magic World Arc, Natsumi's abilities grow significantly.
- Pactio: Actrix Timida (literally, "Timid Actress"): Her Pactio was formed with Kotarou in Chapter 262, after which she confessed to liking him. Her artifact is a mask. In Chapter 301, the ability of Natsumi's artifact, which is called the Adiutor Solitarius, is finally revealed. The artifact is touted as the ultimate disguise, as it allows Natsumi to blend in with the scenery, completely undetectable to others, a reference to her wallflower personality. Akira likens it to entering an opponent's blind spot, suppressing the user's sight, smell, and noise. Because of its abilities, Chamo calls it a legendary item on par with Nodoka's Diarium Ejus. The artifact is also considered a rare one, as Fate mentioned that the last time Natsumi's artifact has appeared in the world was 280 years ago. Natsumi can also allow an unlimited number of other people to become unnoticeable with her, as long as they are joined by holding hands or if they are in physical contact with one another. If they let go, the illusion is broken.
- Athletic Skill: In Chapter 262, Natsumi's stay in the Magic World has allowed to develop heightened physical abilities, allowing her to leap across far distances and even outrun Kotarou. Kotarou admits even she has "come a long way since arriving in this world".
- Despite calling her friend Chizuru "Chizu-nee", she is actually the older of the two by a few months.
- In chapter 175 of the Negima! manga, Chizuru mentions that Natsumi smells Kotarou's shirts - which she denies in embarrassment.