Nagisa Hazuki from Free!

A young woman with blonde hair and a red flower crown, dressed in a blue and white jacket. She stands confidently in front of a blurred background, possibly an indoor pool or gym setting, based on the presence of a metal railing to her left. Her right hand is raised, as if she is about to enter the water or has just emerged from it. The overall atmosphere suggests that she may be participating in a swim meet or competition, given the context of the blurred background and her attire.