here some info for the video..
-arashi sang this song at shounen club..with some jr..even though i uploaded it, i really don't know what is the title..baka me..^__^
since someone ask for its title..i really wanna help..but i dunno myself..gomen ne..
the comment at that website is:
do you know what the title of this song might be? its so awesome!
arigatou in advance ne...