She competed at the 2009 World Table Tennis Championships, reaching the quarter final of the singles competition. In 2011, she won the national singles title at the age of 17. She quickly rose through the world rankings in recent years and managed to secure a place to compete at the London 2012 Olympics. She is currently ranked 6th in the ITTF women's world ranking as of July 2012 but has achieved ranking as high as 5th. She is now the best female table tennis player in Japan after managing to overtake Ai Fukuhara in rankings.