Hitomitoi is set to release her new digital single “Natsu Kosen, Kira.” on August 13. The release will be limited to iTunes only. This will be the singer’s second digital release so far this summer, after the release of Glass no Summer Holiday on July 9. The song was produced by Cunimondo Takiguchi, who she has worked with in the past. Check out a clip of the song after the jump!