...I don't even know XD;
I thought, because Miku's "english" is bad, she might have difficulty pronouncing Parthenopes name?? And then... yes.
WHAT? I don't know what I'm saying anymore ;-;If you don't get it, she wantes Gakupo to remember her name ;3;
Parthenope (c) Me
Gakupo & Miku (c) yyyyamada? (orz i forgot /too lazy to google