"Hey My Friend" is Tomoko Kawase's second single under Tommy Heavenly<sup>6</sup>, and the eight overall single from her solo career. Hey My Friend and Roller Coaster Ride were both themes for the movie Shimotsuma Monogatari. The song peaked at #20 in Japan and stayed on the charts for 9 weeks. The Hey My Friend single sold a total of 39,000 units.