Vacant on 11/10/04 in Tokyo when KAORU suffers foot injury during a 3-way match against Aja Kong and Mayumi Ozaki with a stipulation that one has to defeat both of her opponents consecutively; Aja challenges Ozaki for a singles match.
Wins a title in a tag team match with a special stipulation that the members of the winning team face each other for the title; Ozaki teams with Kansai to defeat Aja Kong & Shinobu Kandori and then defeats Kansai.
Wins in a 30-min ironwoman match.
Wins the title in an afternoon and makes an announcement that she has no intention to defend the title until 15/08/23 in Yokohama but would vacate the title if she loses to any member of Mission K4 (Sonoko Kato, AKINO, Kagetsu, or Kaho Kobayashi) in any match on any card; vacates the title on the same day after losing to Kobayashi during an evening card.
Defeats Hiroyo Matsumoto after the two become the last remaining wrestlers in a 6-woman elimination tag team match between Kato & AKINO & Tsubasa Kuragaki and Matsumoto & Hikaru Shida & Arisa Nakajima; declared vacant after a match against Hiroyo Matsumoto on 16/04/24 in Tokyo ends as no contest.