Rena Takase (?? ??, Takase Rena, born February 26, 1981) is a Japanese professional wrestler, better known by the ring name Leon.
Trained by Hyper Visual Fighting Arsion, Takase made her debut for the promotion in March 2000, working under her real name.
After a change in management, Arsion was renamed Major Girl's Fighting AtoZ in 2003, and Takase received a new ring name, Leo-na (???, Reiona).
After quitting AtoZ in 2005, Takase became a freelancer, now working under a mask and the new ring name Toujyuki Leon (???Leon, Tojuki Leon).
After two years of working for several independent promotions, including JDStar, M's Style and Oz Academy, Takase made JWP Joshi Puroresu her new home promotion in January 2007.
In January 2010, Takase's ring name was shortened to just Leon and the following year, she won JWP's top title, the JWP Openweight Championship, while also becoming the leader of the Shishi no Ana stable.
Takase remained with JWP until the promotion's folding in April 2017.