 The song peaked at number 9 on Oricon's charts.is the third volume of the character song albums and was released on September 5, 2007.

 is the fourth volume of the character song albums and was released on September 5, 2007.

 is the fifth volume of the character song albums and was released on September 26, 2007.

 is the sixth volume of the character song albums and was released on September 26, 2007.

 is the seventh volume of the character song albums and was released on September 26, 2007.

 is the eighth volume of the character song albums and was released on September 26, 2007.

 is the ninth volume of the character song albums and was released on October 31, 2007.

 is the tenth volume of the character song albums and was released on October 31, 2007.The CD's title loosely means "Flat-Chested Girls", and the title of the song "Minna de 5ji Pittan", is a play on the game "Mojipittan".