Bright Red InnerwearThe hat pattern is her nameCan you see the broken down shape of Mystia's name in the hat pattern?The actual spelling is:It only looks like there is oneIn Sagume's beat-up picture (post-defeat), the cut in her clothes reveals red underwearIn Ghostly Field Club's appearance, the collar looks like it could be a ribbon?Never had a ribbon in her hair
Compare to other (SFW) fanart like
post 173401post 16326post 5547469For Renko's original appearance in Ghostly Field Club's CD jacket, one can say there never was a ribbon
