探偵むしめがね～さらば怪人256面相 (Tantei Mushi Megane ~ Saraba Kaijin 256 Mensou)

Tantei Mushi Megane ~ Saraba Kaijin 256 Mensō is Bucchigiri-P's second single. It features Kagamine Len with GUMI and Camui Gackpo. It was released for KarenT's event celebrating Rin and Len's birthday.
==External links==
*Album page - KarenT
*Event Page - KarenT  "Kagamine Rin/Len Festival'11"
*Purchase - iTunes (JP)
*Purchase - AmazonMP3
*Purchase - kkbox (TW)
Category:Albums
Category:Albums featuring Kagamine Len
Category:Albums featuring GUMI
Category:Albums featuring Camui Gackpo