From Tokyo to Nagoya, then onward to Fukuoka, the popular road AV "Telephone Club Cannonball 2009" captured the fiery youth of passionate men on a high-speed journey. Behind the scenes of that production emerged another story—'Ura Cannon'. This release features four amateur fuck scenes not included in the main film, plus the explosive moment when Mariko finally achieves her long-held desire: a raw creampie. To celebrate its massive success, we bring you the behind-the-scenes events in full detail. With this, Mariko can never go back.