Personal Life[]
Tsurumi Koko (鶴見虹子) is a former olympic gymnast who has competed in the 2008 and 2012 summer olympics.
SASUKE[]
Koko was selected to compete in SASUKE 39 after appearing in the talent auditions. In the weeks following the tournament she was seen training at Matsuda's house hoping to clear the first stage. Unfortunately, during the broadcast her run was digest and she was seen falling off right at the very end of fish, an obstacle she was able to overcome in her training.