"Heavy Starry Chain" is the only single released from Tomoko Kawase's alter-ego, Tommy heavenly<sup>6</sup> in 2007. It was followed up by her second album Heavy Starry Heavenly. This is Tommy heavenly<sup>6</sup>'s 8th single, and Kawase's 16th overall. The single peaked at #20 on the Oricon singles chart. The limited-edition version includes a DVD with the Heavy Starry Chain promotional video.
The music video features Tommy heavenly<sup>6</sup> and her band in a setting that resembles a cooking show. Kawase is dressed as Snow White, with the rest of the band dressed as magicians. At some points in the video the setting is a birthday party, where Kawase is dressed accordingly.