[2] In September 1999 at the age of thirty-one, Kawana entered the adult video (AV) industry with her release, 34 Year Old Mother Mariko from Soft On Demand (SOD), one of the largest porn conglomerates in Japan.
[4] Her age made her one of the earliest AV actresses in the "mature woman" or "madame" (熟女 or jukujo) category of performers,[5] whose popularity in Japanese porn began in the mid-1990s.
[8] In the softcore field, she starred in the pink film Joi Kawana Mariko: Jukujo Tabū Sex (女医川奈まり子 熟女・タブーＳＥＸ) with Yōko Satomi which was released to theatres in March 2001.
[18] In April 2003, she played the role of the dominant woman in the Attackers S&M video Confinement Insult and in September of that year, she appeared in the Kyōko Aizome-directed Lesbian Politicians.
[24] In a different area, Kawana's portrait was on the cover of rice packages produced by National Farm, a company started by Ganari Takahashi, the founder of SOD who subsequently went into the agriculture business.
[25] Kawana and her husband Tameike were both interviewed for Misato Nakayama's study of professionals in the adult industry, Sei Shoku Sha No Hitobito Ano Sekai No Shigotoshi Tachi (性職者の人々 あの世界の仕事師たち), published January 2006 by Ohzora (ISBN 4-7767-9229-X).