Rena Takase (born February 26, 1981), better known by the ring name Leon, is a Japanese professional wrestler. Debuting for Hyper Visual Fighting ARSION in 2000, she is best known for her tenure with Japanese promotion JWP Joshi Puroresu, where she became a one-time JWP Openweight Champion and three-time JWP Tag Team Champion. She remained with JWP until the promotion's folding in April 2017, migrating to successor promotion PURE-J, where she has become a former three-time PURE-J Openweight Champion.