Kitty GYM were a Japanese pop group assembled in 2006 to promote the Women's Volleyball World Grand Prix, [4] an event that began August 18 and ended on September 10 that year.

The name of the group, which was composed of members of other successful Asian groups, comes from the first letters of the members surnames, and the Thai members pseudonyms.

They released their only single on August 30, 2006, entitled Fever to Future . [5] This single included a solo from Tomohisa Yamashita and a duet by Golf & Mike. The single sold 299,996 copies, making it the 25th best-selling single of the year.