Hey! Say! JUMP to release the 29th single. The title song is featured as the main theme song for the TV drama series "Private Detective Hoshikamo" starring Daiki Arioka. This edition includes three songs "#502," "Letter," and "Bokura no Imi wo" exclusively included for this edition. Comes with a 8-page lyric booklet. Cover artworks corresponding to all the editions (LTD1, LTD 2, REG) are different from each other.