Nao Masaki is a Japanese Adult Video (AV) star, director and Pink Eiga film actress. She was born on July 24th, 1985 in Kanagawa prefecture. She made her AV debut with the name "Natsuki Ando" in 2006. She used to be in Lolita videos, but she switched her genre to MILF genre around 2008 and she also changed her stage name to "Nao Masaki," She now retired from AV star, and switched her career to AV director. She mainly direct Lesbian, Nymphomaniac, and Massage videos. In Pink Eiga movie "Three Slave Women," she worked with international cult movie star ASAMI and she played a masochist lady.