|Pre-Timeskip | Post-Timeskip|
|Affiliation||Qareen Side Guild|
|Relatives||Twilight Hirano (Cousin)|
Yuu is obsessed with money and is willing to go so far as to risk her own life to get a hold of it.This is because of her childhhod which she shared with her cousin Twilight Hirano although it is unknown to what has happened to them.Just like Twilight Yuu is extremely respectful towards Izrail Paku and shows no mercy towards those who try to harm him.Yuu is extremely protective of Twilight and loves her cousin as a mother.
Due to her father's upbringing,Yuu is strict on herself and also on others, as well as independent.Despite her calm and patience nature Yuu tends to be violent and bloodthirsty and uses violence to fix problems.
Magic and Abilities
Yuu's appearance came from Masako Natsume of Mawaru-Penguindrum.
In Japanese Yuuyake means sunset while ko means child.