Thank you for watching!
I hope someone may be interested in Speedcubing :)

About me :

Yu Nakajima (Japanese)
World Champion of Speedsolving the Rubik's Cube in 2007

Official Records: http://worldcubeassociation.org/resul...
Facebook :   / nakaji1084  

Member of online puzzle shop "tribox"
スピードキューバーやパズラー向けの様々な立体回転パズルをお買い求めいただけます
http://store.tribox.com/