She is used to traveling in dark places
She has no name and doesn't need a name
A name becomes a life-changing curse...
"Do you really want power that much?" "Yes."
"If you don't have a name, it will be troublesome to call you."
"I don't think so."
"Well, the day we met was a lunar eclipse, let's call it Chiyue. As for the name..."
"By."
"Okay, so first meeting, Yu."
"... First meeting, Mr. Zaraki."
"Call me Kenpachi." "I don't like calling other people's names... I'll call you Zaraki..."
"That way, it'll be no problem."
Intention:
Oh, it's better to finish it quickly