ruru, shida kazuhiro, charlott camile herlingum, ruruguno janus enfinus, wiz anniversary, 2girls, :d, ahoge, aqua eyes, arms behind back, ass, back, bandeau, bikini, blue eyes, blunt bangs, blush, breasts, cloud, day, earrings, elf, flat chest, from behind, front-tie top, hair ribbon, holding own wrist, jewelry, kickboard, long hair, looking back, multiple girls, navel, open mouth, outdoors, outstretched arm, outstretched hand, palm tree, pink hair, pointy ears, reaching, ribbon, side-tie bikini bottom, sky, small breasts, smile, standing, strapless, sun, swimsuit, tree, tube top, twintails, very long hair, water, white hair