"Taiyou no Gravity" is Fayray's debut single.

It was released on July 29, 1998.

It first entered the charts at #20 but 3 weeks later climbed to #12.

The song was used as the theme song for the TBS drama "Hitoribocchi no Kimi ni".

"Taiyou no Gravity" - Oricon Sales Chart (Japan)