Murasakibana Kaoru is a professional alias used by the veteran Japanese voice actor Inoue Kazuhiko. He was born on March 26, 1954, in Yokohama, Kanagawa Prefecture, Japan. The name Murasakibana Kaoru, which can be written with different character variations, is specifically associated with his work in adult-oriented anime and games.

Inoue Kazuhiko began his career in 1973 and has since become one of Japan's most established and versatile voice actors, affiliated with the agency B-Box. While he performs under his real name for mainstream projects, his work as Murasakibana Kaoru represents a distinct facet of his professional portfolio.

Under his primary name, Inoue Kazuhiko, he is internationally renowned for a wide array of major roles across several decades. Some of his most iconic performances include Kakashi Hatake in the Naruto series, Nyanko-sensei / Madara in Natsume Yūjin Chō, Kars in JoJo's Bizarre Adventure, and the protagonist's father in the blockbuster film Your Name. His voice is often described as natural and relaxed, but his wide vocal range has allowed him to portray characters of many different personality types, from hot-blooded heroes to coolly arrogant beauties and seductive villains.

Throughout his long and prolific career, Inoue has also taken on roles behind the scenes as a narrator, actor, and sound director. His contributions to the industry have been recognized with awards, including the Best Supporting Actor award at the 3rd Seiyu Awards for his performance as Nyanko-sensei in 2009. His work as Murasakibana Kaoru, while less publicly documented due to its nature, is understood by databases and industry resources to be an extension of this extensive career.