In 2009 she entered the national team, early that year she won three bronze medals at Miss Valentine in Tartu.

[8] She started the Olympic year in February by winning all the silver medals at the Moscow Grand Prix.

[9] In August she was the reserve for the Japanese group made of Natsuki Fukase, Airi Hatakeyama, Rie Matsubara, Nina Saeedyokota and Kotono Tanaka for the 2012 Olympic Games.

[11] In 2013 Miura was part of the group that competed in the Summer Universiade in Kazan, along Yukari Hatano, Erika Koga, Naomi Kumazawa, Ayano Sato and Ayumi Yusa she won bronze in the All-Around and silver in the two event finals.

[12] Two years later she participated in the 2015 Summer Universiade in Gwangju, winning silver in the 6 clubs & 2 hoops' final together with Asuka Ono, Ayano Sato, Konatsu Arai, Mana Tsutsumi and Minori Shindo.