Penguindrum (輪るピングドラム, Mawaru Pingudoramu, Spinning Penguindrum) is a 2011 Japanese anime television series produced by Brain's Base. The series is directed and co-written by Kunihiko Ikuhara and aired in Japan from July 8 to December 23, 2011.[1] The series revolves around the Takakura twins Kanba and Shoma whose dead younger sister Himari was brought back to life by a strange spirit who resides in a penguin-shaped hat. However, in exchange for extending her life, the spirit tasks them to seek out an item known as the Penguin Drum with assistance from a trio of strange penguins.
Penguindrum's two opening themes are performed by Etsuko Yakushimaru. "Nornir" (ノルニル, Noruniru), is used for episodes 1–14, and "Boys, Come Back to Me" (少年よ我に帰れ, Shōnen yo Ware ni Kaere) from episode 15 onwards. Eight pieces of music are used for ending themes. "Dear Future" by Coaltar of the Deepers is used for episodes 1–12, with a special performance by Yui Horie for episode 10. Episodes 13 onwards use several covers of ARB performed by Marie Miyake, Yui Watanabe and Miho Arakawa as the fictional band "Triple H": "Grey Wednesday" (灰色の水曜日, Hai-iro no Suiyōbi) is used for episodes 13, 15 and 18; "Bad News (Kuroi Yokan)" (Bad News (黒い予感)) for episodes 14 and 17; and "Ikarechimattaze!!" (イカレちまったぜ!!) for episode 16, "Hide and Seek" for episode 19, "Private Girl" for episode 20, "Tamashii Kogashite" (魂こがして, "Scorching Soul") for episode 21 and "Heroes ~Eiyū-tachi~" (HEROES ～英雄たち~) for episode 23.[2][3][4]