Rule 34 Dev - 1girl amamiya_kokoro amamiya_kokoro_(7th_costume) bikini bikini_under_clothes black_bikini blue_hair blue_nails blush earrings hair_ornament hat highres jewelry long_hair looking_at_viewer necklace nejime nijisanji open_mouth shirt smile solo straw_hat sun_hat swimsuit virtual_youtuber white_shirt x_hair_ornament yellow_eyes|19816773444