"Ponytail to Shushu" (ポニーテールとシュシュ, Ponītēru to Shushu, "Ponytail and Scrunchie")[note 1] is the 16th single by Japanese idol group AKB48, released on May 26, 2010.

[1][2] The covers and music videos of the single were shot in Guam.

[4][5] The b-side, "Majijo Teppen Blues", is the theme song of Majisuka Gakuen 2 The single sold 354,000 copies on its first day of release.

[6] It sold 513,000 copies on its first week of sale, making it the biggest first week for a female idol group since Morning Musume's "Ren'ai Revolution 21" in 2000, and the biggest first week sales for a female artist since Hikaru Utada's "Can You Keep a Secret?"

[4] It also became the biggest selling AKB48 single on the week it was released, beating the group's previous single "Sakura no Shiori"'s first week sales of 318,000 copies (and its total sales of 404,000).