mortis (bang dream!), mortis (costume) (bang dream!), mortis (persona) (bang dream!), wakaba mutsumi, arknights, bang dream!, bang dream! it's mygo!!!!!, highres, 2girls, animal ears, ascot, beret, black bonnet, black capelet, black dress, bonnet, capelet, dress, dual persona, ediun, floppy ears, gothic lolita, green brooch, green hair, hair ornament, hat, holding ears, lolita fashion, long hair, long sleeves, looking at another, looking back, multiple girls, rabbit ears, rabbit girl, red hat, sidelocks, simple background, wakaba mutsumi (marionette's id), white ascot, white background, x hair ornament, yellow eyes