Reference from QQ Group, I think she is an Original Character

Appropriate weight shall be between 0.6~0.9.
payback_chan, 1girl, solo, two small red oni horns on forehead,

white fantasy dress, high collar, off shoulder, long detached sleeves, red ribbon on sleeves, red gem ornaments, white gloves, white belt with red gem, asymmetrical long coat tails, layered white skirt, black opaque tights,