is the 48th single by the J-pop group Morning Musume, released in Japan on January 25, 2012 on the Zetima label.
It is the first single to feature 10th generation members (Haruna Iikubo, Ayumi Ishida, Masaki Sato and Haruka Kudo). It is also the first single since Takahashi Ai's graduation from the group, and the first single with Risa Niigaki as leader.
The single was originally supposed to be released on December 21, 2011, but was delayed to January 25, 2012.
Pyoco Pyoco Ultra Vocalists
Main Voc: Risa Niigaki, Reina Tanaka
Center Voc: Sayumi Michishige, Mizuki Fukumura, Riho Sayashi
Minor Voc: Aika Mitsui, Erina Ikuta, Kanon Suzuki, Haruna Iikubo, Ayumi Ishida, Masaki Sato, Haruka Kudo
Kanashiki Koi no Melody Vocalists
Main Voc: Reina Tanaka
Center Voc: Risa Niigaki, Sayumi Michishige, Riho Sayashi
Minor Voc: Aika Mitsui, Mizuki Fukumura, Erina Ikuta, Kanon Suzuki, Haruna Iikubo, Ayumi Ishida, Masaki Sato, Haruka Kudo
"Pyoco Pyoco Ultra" is the opening song for the Nippon Television series Sà «gaku Joshi Gakuen, starring many Hello! Project members (the closing theme being "Hatsukoi Cider" by Buono!).
The single was released in four versions: a regular CD-only edition (catalog number EPCE-5842) and three limited editions, containing a bonus DVD.
As usual for Hello! Project CD singles, there also was a Single V (a DVD single, containing a music video for the title song) published. It appeared a week later, on February 1, 2012.
All songs written and composed by Tsunku.<br /> "Pyoco Pyoco Ultra" arranged by Shà Âichirà  Hirata.<br /> "Kanashiki Koi no Melody" arranged by Kaoru à Âkubo.
Sealed both into the Limited Edition and into the first press of the Regular Edition