1girl, ball, beach, beachball, bikini, blonde_hair, bob_cut, cloud, cloudy_sky, dated, day, flip-flops, frilled_bikini, frills, grey_bikini, hair_ribbon, horizon, leg_up, looking_to_the_side, lycoris_recoil, navel, nishikigi_chisato, ocean, open_mouth, outdoors, parasol, red_bikini, red_eyes, red_ribbon, ribbon, ryougen_(koh_y1), sandals, short_hair, sideways_glance, signature, sky, solo, swimsuit, two-tone_bikini, umbrella, water, water_drop, water_gun