Erino Hazuki is a Japanese voice actor and narrator born on August 3, 1975, in Tokyo, Japan. Her journey to becoming a voice actor began in high school, where she joined the drama club after a friend took her to see a play. She even wrote and directed a performance for her school's cultural festival. After graduating, her love for reading aloud and her admiration for narrator Daisuke Maki inspired her to pursue a career in voice acting and narration.

Before her voice acting debut, Hazuki held various part-time jobs, including data entry and working at a wedding hall, where she often modeled wedding dresses. She was once affiliated with Saeba Corporation, the agency of voice actor Akira Kamiya. After leaving that agency, she worked as a freelancer until she was cast in the anime "Seven of Seven," which led to her joining the talent agency Accent.

Hazuki's most iconic and defining role came in 2005 when she was cast as the protagonist, Akari Mizunashi, in the highly acclaimed Aria series. Her gentle and soft voice became synonymous with the character, and she has reprised this role across numerous adaptations over the years. These include the television series Aria the Animation, Aria the Natural, and Aria the Origination, as well as OVAs like Aria the OVA ~Arietta~, Aria the Avvenire, and the theatrical films Aria the Crepuscolo and Aria the Benedizione. This long-running role established her as a beloved figure in the anime community.

Beyond the Aria franchise, Hazuki has built a substantial career with a variety of notable roles. She played Riho Shihomi in the Tamayura series, including Tamayura - More Aggressive and the Tamayura ~Graduation Photo~ films. Her other credits include Mikoto Tachibana in Akane Iro ni Somaru Saka (The Hill Dyed Rose Madder), Marie Kagura in Tona-Gura!, the mysterious Uzura in Princess Tutu, and Yamamoto-sensei in Hanamaru Kindergarten. She has also appeared in productions such as Kiba, Blue Dragon, Maria Holic, GOSICK, and Amanchu!.

Throughout her career, Hazuki has enjoyed recurring collaborations with director Sato Junichi, who directed both Aria and Tamayura, as well as with fellow voice actors Saitou Chiwa and Hirohashi Ryou, her frequent co-stars in the Aria series.

In addition to her voice acting, Hazuki has performed theme songs for some of the series she has starred in, including Aria, Hanamaru Kindergarten, and Tona-Gura!. She is also a certified nail technician, holding a first-class license from the Japan Manicurist Association.