Shiota was the bronze medallist at the 2007 World Championships in the women's doubles event partnered with Kumiko Ogura.

Shiota was born in Kanda, Fukuoka, and after graduating from the Kyushu International University comes High School in 2002, she join the Sanyo Electric team.

In 2006, they won the women's doubles bronze medal at the Doha 2006 Asian Games, after defeated by Yang Wei and Zhang Jiewen in the semi-finals.

[2] Shiota won the women's doubles bronze medal in the 2007 World Championships in Kuala Lumpur, Malaysia.

At the competition, they won a match to Canadian pair Toby Ng and Grace Gao in the rubber games with the score 21–10, 11–21, 21–15, and lost in the straight games to Joachim Fischer Nielsen and Christinna Pedersen of Denmark, and Robert Mateusiak and Nadieżda Kostiuczyk of Poland in group B stage.