[Shiro snarls in response, quickly scrabbling onto all fours and leaping to the opposite "shore", crouched with his head low and tail up and lashing. A very bestial pose. Not aggressive, but defensive. He wipes where he was punched, eyes burning with fury]

I'm NOT! I'm not a friend! I'm an accessory! I'm no good, Ichigo, and you know it! Don't tell me lies to make me feel better. I don't need it. I don't want it!

[he lowers his head, anger leaking out a little]

I'm not like the rest of you. I'm just not.