In 2010, Ozawa announced her hiatus from the adult film industry, citing a desire to focus on her personal life and well-being. However, she returned to the industry in 2011.

Maria Ozawa's impact on the entertainment industry, particularly in Japan, cannot be overstated. Her contributions to the adult film industry have helped to normalize discussions around sex and relationships in Japan.

In 2004, Ozawa transitioned to the adult film industry, signing with the AV production company, S1. Her debut adult video, "New・Female・Talent・No.1", was released on December 19, 2004. Her performance in the film earned her recognition, and she quickly gained popularity within the Japanese adult film industry.

Ozawa has also been an advocate for women's rights and empowerment within the industry. In various interviews, she has spoken about the importance of consent, safe sex practices, and the need for greater support for sex workers.

Ozawa's success extends beyond Japan, with her work gaining international recognition. She has been featured in various international publications, including British GQ, and has been interviewed by prominent media outlets.

Throughout her career, Maria Ozawa has received numerous awards and accolades, including the 2006 Best Female Newcomer Award at the Japan Adult Video Awards. Her enduring popularity and influence have cemented her status as one of Japan's most recognizable and respected AV actresses.