Kyary Pamyu Pamyu brings the 11th single produced by Yasutaka Nakata (CAPSULE). The title song "Crazy Party Night - Pumpkin no Gyakushu -" is a dance tune newly written by Yasutaka Nakata with an inspiration of her style and with a theme of the club culture in the 1990's. Also includes "No No No," "Oshiete Dance Floor," and "Kimama" as B-sides.