Kira was born in Usuki on July 5, 1991. After graduating from Kamimura Gakuen High School, she joined for Urawa Reds in 2010. She was selected Best Young Player awards in 2011 season. She played for the club 157 matches and scored 52 goals. She left the club end of 2019 season. In December 2020, she signed with Melbourne City.