After graduating from junior high school in 1996, Nakanishi, with a sports background in gymnastics,[2] joined the All Japan Women's Pro-Wrestling (AJW) promotion for a career in professional wrestling.

[4][12] Her breakout match took place on October 18, when she and Kumiko Maekawa faced Las Cachorras Orientales (Etsuko Mita and Mima Shimoda) in Yokohama.

Maekawa's regular tag team partner Tomoko Watanabe was unable to attend the event and had to be replaced by Nakanishi.

[15] In 2000, Nakanishi and fellow AJW youngsters Nanae Takahashi and Miho Wakizawa formed an idol group named Kiss no Sekai.

[16] During the summer of 2001, Nakanishi won the 2001 Japan Grand Prix,[18] after which she began chasing the All Pacific Championship, leading to her winning the title on February 24, 2002.

[16] On October 20, 2002, she defeated the much larger Ito to win the WWWA World Single Championship and become the top wrestler in AJW.

[3] After leaving AJW, Nakanishi became a freelancer, working for promotions such as Gaea Japan,[25] Major Girl's Fighting AtoZ,[3] and NEO Japan Ladies Pro Wrestling,[26] while also forming the short-lived M's Style promotion with Mariko Yoshida, Michiko Ohmukai and Mika Akino.

[21] After two successful defenses, Nakanishi lost the NEO Single and NWA Women's Pacific Championships to Misae Genki on August 14, 2004.

[34] Later, in the main event of the evening, Nakanishi was defeated in her retirement match by her longtime tag team partner Nanae Takahashi.

[38] On May 8, 2014, it was announced that Oe would return to wrestle another exhibition match at Passion Red's May 24 event, where she and Nanae Takahashi would face Miho Wakizawa and Natsuki☆Taiyo.