A prominent figure in the world of wrestling, she began her journey at the age of 14. Her father, Heigo Hamaguchi, owned a wrestling gym, which sparked her interest in the sport. She has been associated with Japan Beverage in Tokyo and is coached by her father and Ryo Kanehama.

| Season | Event | Rank |
|---|---|---|
| 2012 | Women 72kg | Last 16 |
| 2008 | Women 72kg | B Bronze |
| 2004 | Women 72kg | B Bronze |
She has represented Japan in the 2004 and 2008 Olympic Games. One of her most memorable achievements was participating in these prestigious events. She also had the honour of being the flag bearer for Japan at the opening ceremony of the 2004 Athens Olympics.
In 1998, she was named Wrestler of the Year by the International Wrestling Federation (FILA). This accolade highlighted her exceptional skills and dedication to wrestling. Her contributions to the sport have been widely recognised both nationally and internationally.
Her father, Heigo Hamaguchi, was a professional wrestler known as 'Animal Hamaguchi'. His influence played a significant role in shaping her career. Despite his fiery temperament, especially evident during the 2004 Olympics, his support has been unwavering.
Beyond wrestling, she serves as a tourism ambassador for Asakusa. This popular tourist destination attracts both Japanese and international visitors. Her role helps promote cultural exchange and tourism in the area.
Looking ahead, she plans to continue contributing to wrestling while promoting tourism in Asakusa. Her dual roles reflect her commitment to both her sport and her community.
Her journey from a young girl inspired by her father's gym to an Olympic athlete and ambassador showcases her dedication and multifaceted talents. She remains a significant figure in Japanese sports and culture.
A prominent figure in the world of wrestling, she began her journey at the age of 14. Her father, Heigo Hamaguchi, owned a wrestling gym, which sparked her interest in the sport. She has been associated with Japan Beverage in Tokyo and is coached by her father and Ryo Kanehama.