Hazuki Wakamiya is a Japanese AV pornstar from Nagoya, Aichi prefecture, Japan. She is affiliated with Bambi Promotion. Her cupsize is D, her body measurements are 88-60-88 cm (35-24-35 in), and she is 162 cm (5′ 5″) tall (height type is average). Her former stage name was Mizuki Hayakawa.

In January 2015, she debuted in the AV industry under the name Mizuki Hayakawa (早川 瑞希) for SOD Create's label "S Cubic" . On January 27, 2017, she joined the idol unit "Harajuku☆Banbina". Her image color is orange and her catchphrase is "Everyone's Sun". On July 10, 2020, she announced on her Twitter that she had changed her stage name to Hazuki Wakamiya (若宮 はずき). The new name is an anagram of her previous name. In August 2020, she re-debuted under her new name with E-BODY. One of her works took first place on the FANZA video rankings for the week of May 22, 2023.

She became an AV actress to pay for her college tuition. Her official profile states that she's from Tokyo, but she confessed in a interview that she's actually from Nagoya City, Aichi Prefecture, and attended university in Nagoya. Before becoming an AV actress, she worked at a lolita fashion health club in Nagoya City and continued working at a health club for a while after becoming an AV actress.