1girl, arm_up, barefoot, beach, bikini, blue_hair, breasts, brown_eyes, hand_on_own_head, knees_up, long_hair, lying, navel, ocean, on_back, outdoors, side-tie_bikini, small_breasts, smile, solo, striped, striped_bikini, swimsuit, thigh_gap, thighs, toes, virtual_youtuber