the Seraphim units are cyborgs built in the image of an existing person is their lunarian-like biology, featuring brown skin, white hair, black wings, and a plume of fire burning on their backs she is a giant-sized mermaid, but not as tall as shirahoshi the real one she has a very fragile personality. She is easily frightened, and quickly breaks out into crying fits whenever she gets upset, she was given the ability to fire lasers from her mouth