Man in Costume with Prop Gun

The man in this image is dressed in a costume that appears to be from an anime or manga series, with intricate details and patterns on his shirt and pants. He has long dark hair and is wearing a red cape draped over his shoulders. In his right hand, he holds what looks like a prop gun. The background of the image is blurred but suggests an outdoor setting, possibly a convention or festival where people are dressed up in costumes.