1girl, ahoge, arm_up, armpits, beach, bikini, black_bikini, blush, bracelet, breasts, brown_hair, cleavage, hair_over_shoulder, huge_ahoge, idolmaster, idolmaster_shiny_colors, jewelry, kuwayama_chiyuki, light_smile, medium_breasts, navel, necklace, nekoplanetouo, open_mouth, outdoors, parted_lips, see-through, see-through_cleavage, side_ponytail, solo, swimsuit, wavy_hair