Stale Cupcakes

"Stale Cupcakes" (, Blue Onigiri) is a K.K. Slider song. It is a quiet song when played in the house. It first appeared in when the player puts in an invalid song name, but it would not be obtainable until.

Although it was a secret song prior to, Julian, Diana, Rodeo (in ), Aurora and Filbert (both in ) have it playing in their houses.