tanukiinu005, suou momoko, idolmaster, idolmaster million live!, 1girl, :d, ahoge, arm rest, bare arms, bare legs, bikini, blue bikini, blue eyes, blush, bow, bow bikini, braid, breasts, brown hair, collarbone, feet out of frame, frilled bikini, frills, knees up, looking at viewer, low twintails, lying, medium hair, multicolored bikini, navel, on innertube, open mouth, pink bikini, pink frills, polka dot, short twintails, small breasts, smile, solo, swimsuit, twintails, water, wet, yellow bow