Kuroneko's sacrificing herself so that Kirino won't get her hands on her sister.
Look at you, all docile like a cat in an unfamiliar environment, heh.I can't believe this! So moe!!
That Kuroneko became like this...
It's so lovely that I feel like my heart's gonna stop! Gyaaahhhhh!I'm gonna pay you back...Yeah, right. I'll try to bear that in mind.