Rin Nakai

is a Japanese professional athlete. She is best known as a female mixed martial artist.
Rin is currently the #10-ranked Women’s Bantamweight (129-139.9 lbs) fighter in the world as of 5/25/2014 by http://www.fightmatrix.com. 
Career.
Nakai has participated in MMA promotions Pancrase, Smackgirl and Valkyrie. She is 1.55 m (5 ft 1 in) and 56.7 kg (125 lb).
Nakai started fighting on October 1, 2006. She defeated Asuka Ito by TKO (technical knockout), after breaking Ito's nose at "Pancrase 2006 Blow Tour".
On September 29 2016 Nakai competed at Rizin 3 - Rizin Fighting World Grand Prix 2016: 2nd Round. She defeated decorated wrestler Kanako Murata via 3rd round submission (Rear Naked Choke) to improve her record to 19-2.