Actually, if Kakifly is continuing the show past grad like he seems to be (building up Jun and stuff as new members next year), I wouldn't mind if they got a girl who likes to rap as their new vocalist. It would be pretty damned amusing to see animated by KyoAni.
FYI: An obvious reference to the stunt pulled by Richey Edwards of the Manic Street Preachers in which he carved "4REAL" into his arm after arguing the band's punk authenticity with journalist Steve Lamacq... http://nrkp3.no/sexy/wp-content/uploads/2009/09/Richey4Real.jpg Tamaoki mentions it in the comment for the picture, as well. The complete opposite of gangsta, really.
Only thing I can make out in the image is "A", but thanks for the info about the pic. I wonder if he had just written "REAL", would it have had the same impact.
Though on the contrary, entertainers like rockers/rappers do crazy things (like bodily harm) quite often.