Natsumi Takamori is a Japanese voice actress born on February 14, 1987, in Yamanashi Prefecture. She is a graduate of the Pro-Fit Voice Actor's Training School, completing the program in 2009 as part of its 10th generation. Her debut in anime was the same year with a small role in the series White Album. She is currently affiliated with the agency Raccoon Dog.

Takamori's career features a wide range of roles across various anime series. Some of her earliest prominent work includes voicing Akari Sakura in Jewelpet Twinkle in 2010. The year 2012 was a significant one for her career, as she landed the leading role of Mei Misaki in the mystery horror series Another. The same year, she was cast as Misaki Kamiigusa in The Pet Girl of Sakurasou and as Sona Sitri in the long-running High School D×D series.

One of her most enduring and high-profile roles is Miku Maekawa in The Idolmaster Cinderella Girls franchise. She began voicing the character in the 2015 anime and has continued in subsequent series, films, and the related mobile game, The Idolmaster Cinderella Girls: Starlight Stage. Another notable recurring role is Raiha Uesugi, the younger sister of the protagonist in the popular romantic comedy The Quintessential Quintuplets, a part she played across multiple seasons and specials starting in 2019.

Her filmography also includes roles in a diverse array of other series. She has voiced characters in long-running franchises such as playing Nikka Edvardine Katajainen in both the Brave Witches and Strike Witches series, and providing voices for the mobile game and anime adaptation of Azur Lane. She has also taken on roles in more adult-oriented series, including Eve in Redo of Healer and Chifuyu Rehn Kuroda in World's End Harem. In the magical girl genre, she voiced Kome-Kome in Delicious Party Pretty Cure. Her recent and upcoming work includes the role of Ao Sorakado in the 2025 anime adaptation of the visual novel Summer Pockets, and voicing Kokoro Shigure, also known as Cure Kyun-Kyun, in You and Idol Pretty Cure.

Beyond her mainstream work, Takamori has a significant body of work in video games, where she often uses the pseudonym Yuka Kotorii. This is common practice for voice actors working in adult computer games. Examples of her game roles under this alias include Hanon Nijou in Cross Days and Akari Konoe in Gaku Ou: The Royal Seven Stars.

Before becoming a voice actor, Takamori attended the Kofu City Municipal Kofu Commercial High School, where she was a member of the badminton club and even competed in the national high school athletic tournament. She also worked as a station staff member at JR Ueno Station prior to her entertainment career.