Kanna Kamui from Miss Kobayashi's Dragon Maid

The image features Kanna Kamui from Miss Kobayashi's Dragon Maid standing in front of a large water feature, possibly a fountain or waterfall. She is dressed in a purple swimsuit with pink trim and has long, flowing white hair. Her hands are raised to her face, and she appears to be smiling or posing for the camera. In the background, there are several people visible, including what looks like a lifeguard standing on a platform near the water feature. The overall atmosphere of the image is one of fun and relaxation, suggesting that it was taken at an amusement park or beach resort.