I was searching in Yahoo images for Shugo Oshinari (acted in Kuu's 'feel' PV and 'Someday')
In the PV biography I found out that he also acted in ayu's PV 'About You'
The one who was inside the glass cube (take a look once more time on the PV)
hahahaha
just find it quite interested
LINK
http://www.japanmusic.jp/archives/20..._oshinari.html