Kurumi Orihara is a Japanese voice actress affiliated with the talent agency Remax. She is from Shizuoka Prefecture, Japan, and her birthday is June 25. Her blood type is A, and her height is 157 centimeters. Her professional interests include playing the electric guitar, running, and fishing. She holds an English Proficiency Test Level 2 certification and a standard driver's license. She has listed her special skills as giving massages to dogs and healing the people around her.

Orihara made her major debut as a lead voice actor in 2024 with the role of Tamako Yashiro in the television anime series Red Cat Ramen, also known as Ramen Akaneko. In the series, which began broadcasting in July 2024, her character is a human who comes to work at a ramen shop run entirely by cats. Her performance in this role is considered her first main character role in an anime. She appeared at the Jump Festa 2025 event for the series, where a second season was announced. Her other notable television anime roles from 2024 include Student D in Senpai is an Otokonoko and a shop clerk in Ron Kamonohashi's Forbidden Deductions 2nd Season. In 2025, she voiced a female police officer and an audience member in BanG Dream! Ave Mujica, a child in The Fragrant Flower Blooms With Dignity, a track and field club member in Flower and Asura, and the character Lona in Is It Wrong to Try to Pick Up Girls in a Dungeon? V.

Her work in video games includes the role of Mya in the Japanese version of Wuthering Waves and Nadira in Dragon Quest X. She also voiced the Iberian lynx in Kemono Friends 3, Aia in Trouble Magia, and Melia in Othellonia. In 2025, she voiced Minato in Wuthering Waves. Her other voice work includes dubbing roles for foreign media, such as the wealthy young lady in the second season of the Chinese animated series Fairies Album, as well as narration for an Audible book and radio commercials for Kobe Animal Kingdom and BESS. In 2023, she was selected as a member of the AT-X Fresh Summer Fest team.