Asuna Yuuki, Sword Art Online

A woman dressed in a white and red costume, holding a large sword. She has long brown hair and is wearing a white dress with red accents, including a belt around her waist and a sash across her chest. The dress features a high neckline and short sleeves, and the skirt falls just above her knees. Her shoes are white with a low heel. The woman's arms are bent at the elbows, and she is holding the sword in both hands, with the blade pointing downwards. The background of the image is out of focus but appears to be a garden or park setting, with greenery and flowers visible behind the woman. Overall, the image suggests that the woman is participating in some kind of cosplay or costume event, possibly related to anime or manga.