ryoubi (senran kagura), senran kagura, senran kagura new wave, game cg, official art, third-party source, 1girl, ahoge, ass, ass focus, bent over, bikini, black ribbon, blue eyes, border, brown hair, butt crack, card (medium), character name, closed mouth, flat chest, from behind, frown, green eyes, hair ribbon, hairband, hand on own hip, heterochromia, long hair, looking at viewer, looking back, low twintails, red hairband, ribbon, ripples, rock, solo, striped bikini, striped clothes, swimsuit, twintails, very long hair, wading, water