A drifter claiming to be a Galaxy Ranger. True Name : Raiden Bosenmori Mei. She walks the cosmos alone, carrying with her a long sword. Acheron is a tall woman with pale skin, long dark purple hair that covers the left side of her face, and bright violet eyes with pink highlights and diamond shaped pupils. Acheron's personality is described as cold and distant on the surface, embodying the traits of an intergalactic ronin and ascetic imperial maiden.