Shinoa from Owari no Seraph/Seraph of the End

A young woman dressed in a costume from the anime 'Owari no Seraph' (Seraph of the End). She has long, flowing purple hair and is wearing a black dress with gold accents. Her outfit includes a red bow tie around her neck and black boots that reach up to her knees. The woman holds a scythe-like weapon in her right hand, which appears to be made of dark gray metal or plastic. In the background, there are several people standing around, some dressed in similar costumes. There is also a chandelier hanging from the ceiling, adding a touch of elegance to the scene. Overall, the image suggests that this is a cosplay event or convention where fans of the anime gather to dress up and celebrate their shared interests.