Nickname: Hiyorin
Sato Hiyori was born on October 31, 1999. She auditioned for Step One Junior Talent Agency and was placed in the group mImi. Hiyori was transferred to B♭ (B Flat) on July 23, 2011. The seven main members of B Flat, including Hiyori, graduated in June 2012 and she became a member of the group Party Rockets. Hiyori’s last entry in the Party Rockets blog was October 29, 2012, and on November 4, 2012 there was an official announcement that she had graduated in order to focus on school.
Sato Hiyori was born on October 31, 1999. She auditioned for Step One Junior Talent Agency and was placed in the group mImi. Hiyori was transferred to B♭ (B Flat) on July 23, 2011. The seven main members of B Flat, including Hiyori, graduated in June 2012 and she became a member of the group Party Rockets. Hiyori’s last entry in the Party Rockets blog was October 29, 2012, and on November 4, 2012 there was an official announcement that she had graduated in order to focus on school.