was the twenty-seventh single of J-pop

J-pop

, an abbreviation for Japanese pop, is a musical genre that entered the musical mainstream of Japan in the 1990s. Modern J-pop has its roots in 1960s music, such as The Beatles, and replaced kayōkyoku in the Japanese music scene...

 idol group Morning Musume

Morning Musume

, sometimes referred to as is a Japanese idol girl group, whose act generally revolves around singing and dancing to upbeat melodies. They are the lead group of Hello! Project, which is managed and produced by Tsunku, who composes nearly all the lyrics and melodies of their songs...

, and was the debut of seventh generation member Koharu Kusumi

Koharu Kusumi

, is a former J-pop singer and voice actress, and currently a model. She joined Morning Musume as the only seventh generation member and as the youngest soloist to debut in Hello! Project, being only twelve years old when she joined. Before she joined Morning Musume, she was the captain of her...

.

The first pressing of this single came with special packaging and also contained five photocards. The Single V

Single V

A is a type of DVD released by artists who are part of the J-Pop idol conglomerate, Hello! Project.- Single V :A Single V is often released in coordination one or two weeks after the release of a Hello! Project single. Most artists follow this pattern, except a few including Melon Kinenbi...

 was released on August 3, 2005, and sold a total of 22,606 copies. It reached number four on the Oricon Charts.

CD

3. "Iroppoi Jirettai" (Instrumental)

Single V

Single V

A is a type of DVD released by artists who are part of the J-Pop idol conglomerate, Hello! Project.- Single V :A Single V is often released in coordination one or two weeks after the release of a Hello! Project single. Most artists follow this pattern, except a few including Melon Kinenbi...

 DVD

1. "Iroppoi Jirettai"
2. "Iroppoi Jirettai (Dance Shot Ver.)"

Event V

1. "Iroppoi Jirettai (Multi Dance Ver.)"
2. "Iroppoi Jirettai (Multi Dance Ver. 2)"
3. "Iroppoi Jirettai (Close-up Ver.)"

Members at the time of this single

• 4th generation: Hitomi Yoshizawa
  Hitomi Yoshizawa
  is a former leader of the pop group Morning Musume and current member of the duo Hangry & Angry as Hangry. She is the current leader of the Hello! Project futsal team Gatas Brilhantes H.P...
  
  
• 5th generation: Ai Takahashi
  Ai Takahashi
  is a Japanese pop singer formerly associated with Hello! Project, and best known as leader of Morning Musume and Hello!Project until 2011, and former member of its popular subgroup, Mini Moni...
  
  , Asami Konno
  Asami Konno
  , born May 7, 1987, is a Japanese pop singer, best known as former fifth generation member of the all-girl Japanese pop group Morning Musume. She joined the group in the August 2001, along with fellow fifth generation members Ai Takahashi, Makoto Ogawa, and Risa Niigaki.- Biography :Konno joined...
  
  , Makoto Ogawa
  Makoto Ogawa
  is a Japanese pop singer and actress best known as a former member of Morning Musume. She joined the group in August 2001 along with fellow fifth generation members Ai Takahashi, Risa Niigaki, and Asami Konno.Ogawa is currently a member of Dream Morning Musume....
  
  , Risa Niigaki
  Risa Niigaki
  is a fifth generation member and current leader of the Japanese pop group Morning Musume. She joined Morning Musume in 2001 along with Ai Takahashi, Asami Konno and Makoto Ogawa. She grew up in Yokohama after moving there at age six. As of 2009, she was the longest-serving sub-leader of Morning...
  
  
• 6th generation: Miki Fujimoto
  Miki Fujimoto
  , professionally known by her birth name , is a Japanese pop singer and television actress. After failing the audition to join girl group Morning Musume with the fourth generation members, Fujimoto debuted as solo artist within Hello! Project in 2002 with the single "Aenai Nagai Nichiyōbi"...
  
  , Eri Kamei
  Eri Kamei
  was a member of the Japanese pop group Morning Musume. She joined in late 2003 as a sixth generation member along with Miki Fujimoto, Sayumi Michishige, and Reina Tanaka. She graduated on December 15, 2010 in Yokohama Arena along with Junjun and Linlin....
  
  , Sayumi Michishige
  Sayumi Michishige
  is a sixth generation member of the J-pop group Morning Musume and has the third longest tenure of any member in the group ....
  
  , Reina Tanaka
  Reina Tanaka
  is one of the sixth generation members of the J-pop group Morning Musume. Her professional first name is spelled in hiragana to distinguish her from the Japanese actress Rena Tanaka, whose name is spelled using the same kanji , who is similarly from Fukuoka Prefecture.- Biography :Tanaka auditioned...
  
  
• 7th generation: Koharu Kusumi
  Koharu Kusumi
  , is a former J-pop singer and voice actress, and currently a model. She joined Morning Musume as the only seventh generation member and as the youngest soloist to debut in Hello! Project, being only twelve years old when she joined. Before she joined Morning Musume, she was the captain of her...
  
  (Debut)

External links

• UP-FRONT WORKS: Morning Musume discography entry