Anime girl with orange hair and blue eyes

It is hard though to find good sites in English.

Even today, pink characters still tend to be not very bright, somewhat innocent, naive — and often idealistic to the point of being silly. A partial example is the Rasengan: Word of God is that he's never decided upon one color for it to be artbooks and colored covers have shown it to be red and yellow but in the anime the basic one's color is a bright, glowing blue and the Rasenshuriken is bright glowing white.

Naruto has been hiding something from Konoha. Nami One Piece.