Hearts Grow was a Japanese band from Motobu, Okinawa.
Hearts Grow made their major label debut on 18 October 2006, with the release of their first single Road.
Their second single Yurayura (ユラユラ) was released in Japan on 6 December 2006.
They are known for performing the ninth opening of Naruto, the fourth ending of Demashita!
The lead singer Haruna plans on a solo career.