[4][5] [6] In 2009 and 2010 Kaneko was the runner up of the All-Japan Real Fighting Karate Championships -52 kg, being defeated in the final both times by Saori Ishioka.
[19][20] Kaneko was defeated again by a MMA debutant when she faced Tomomi Sunaba, who won by split decision on May 6, 2002 (2002-05-06) at Smackgirl: Golden Gate 2002.
[21] On August 4, 2002 (2002-08-04) at Smackgirl: Summer Gate 2002 Kaneko defeated kickboxer Hisae Watanabe by armbar submission in the second round.
[26][27] At the event Arkadia held in Hakuba, Nagano, Kaneko defeated Keiko Matsukawa via armbar submission in the first round on March 29, 2003 (2003-03-29).
[30][31] On May 7, 2004 (2004-05-07), Kaneko participated in the event Golden Muscle Women's MMA: Strongest Queen Tournament (黄金筋肉 女子総合格闘技 最強女王決定トーナメント, ōgon kinniku joshi sōgō kakutōgi saikyōjoō kettei tōnamento) where she defeated Asami Kodera via submission (rear naked choke) in the first round of the tournament, actress, pro-wrestler and race queen Mizuho Ishikawa via submission (armbar) in the semi-finals before finally losing the final against Hisae Watanabe, whom Kaneko had defeated in 2002, via unanimous decision.