• Kagami yo Moshi ya
  
• Kaikou ~ Lilith to Astarte
  
• Kakyuu-ouhi to Three Lights
  
• Kaze no Shijin
  
• Kekki! Hangyaku no Ichizoku
  
• Kick Out a Bloody Mystery
  
• Knockin' Down Hesitation
  
• Knockin' Down Hesitation
  (Stars K Version)
  
• Koi no Dangerous
  
• Kokoro Tabanete
  Makin' for the Right
  
• Kokoro Tabanete
  Watchin' on the Sight
  
• Kono Kodou kara Yoru wa Umarenai
  
• Koshuuki
  
• Kubisuji wo Sashidase