Sailor Mercury

A person dressed in a blue and white costume, with short hair styled in an anime-inspired fashion. The individual is wearing a blue sailor fuku-style outfit with a white collar and a large bow on the chest. Their hair is dyed blue and cut in a bob style, with bangs that fall just above their eyebrows. They are also wearing a gold headband or tiara, which adds to their overall anime-inspired look. The background of the image is blurred, but it appears to be an outdoor setting, possibly a park or a street. Overall, the image suggests that the person is cosplaying as a character from an anime series, likely one with a strong female protagonist.