1girl, :o, arms up, bangs, bikini, blue eyes, breasts, crossed bangs, detached sleeves, frog hair ornament, green hair, hair ornament, kochiya sanae, liya, long hair, long sleeves, looking at viewer, lying, navel, on back, parted lips, side-tie bikini bottom, sideboob, skindentation, solo, stomach, swimsuit, thighs, touhou, underboob, white bikini, white sleeves