A record company office worker named Kanna discovers a punk rock band called Shonen Meriken Sakku 'Brass Knuckle Boys' through the internet and subsequently decides to represent them on behalf of her company. What Kanna did not know was that the Brass Knuckle Boys consists of all middle aged men.

• Kinoshita Management
• Toei Company
• Aoi Miyazaki
• Koichi Sato
• Yuichi Kimura
• Tomorowo Taguchi
• Hiroki Miyake
• Ryo Katsuji
• Yusuke Santamaria
• Pierre Taki