Natsuki holding flag, Summer Wars

The image shows Natsuki from Summer Wars holding a flag in front of a building. She is wearing a red shirt and black pants, with her hair tied back. The flag has a white background with a red logo on it. In the background, there are several people standing around, some of whom are also dressed in costumes. There is a green dumpster behind them with yellow writing on it that says WP SERVICES. The building behind them has a tiled roof and a sign above the door that reads Kanagawa. Overall, the image appears to be taken at an event or festival, possibly a cosplay convention.