 Fujii was trained in MMA by Shooto veteran Hiroyuki Abe and professional wrestler, PRIDE Fighting Championships alumni, former UFC Heavyweight Champion and King of Pancrase Josh Barnett.She has trained several other female MMA fighters herself, including current top fighter Hitomi Akano.Fujii is also a highly decorated fighter outside of mixed martial arts, with accomplishments including Japanese National Sambo and Brazilian Jiu-Jitsu Champion, four Second Place finishes in the World Sambo Championships, Ground Impact Professional BJJ Tournament Champion and 2004 and 2006 BJJ Pan-Am Champion.