akizuki ritsuko, amami haruka, animals, art, background, beach, bed, bikini, brown hair, demon, futami mami, futami s, ganaha hibiki, gesture, girl, hagiwara yukiho, hatsune miku, horn, hoshii miki, iori, katana, kikuchi makoto, kisaragi chihaya, minase iori, miura azusa, navel, of the tube, otonashi kotori, shijou takane, smile, swimsuit, sword, takatsuki yayoi, the group, view, vocaloid, water, weapon