title: Kokuhaku (Idoling!!! song)
text: # Kokuhaku (Idoling!!! song)
  
  Kokuhaku (告白, Confession) is the third single by Japanese idol group Idoling. It was released both as a normal edition and limited edition CD + DVD, containing special content and rare footage of the group. Track 3 is only available on the normal edition release. Kokuhaku was used as the theme song of the Microsoft Windows Vista "Vista School" campaign. Its highest charted Oricon position was #9. As of early 2009, it is the highest-selling single by Idoling.
  
  ## Track listings
  
  ### CD
  
  * Kokuhaku (告白, Confession)
  * Moteki no Uta ~season 2~ (モテ期のうた～season2～)
  * Moteki no Uta ~season 1.5~ (モテ期のうた～season1.5～) (Bonus track)
  * Kokuhaku (INST) (告白【INST】, Confession (Instrumental))
  
  ### DVD
  
  * Special contents
  