1girl, ahoge, bare_shoulders, bikini, bikini_skirt, black_jacket, blonde_hair, breasts, closed_mouth, day, frilled_bikini, frills, jacket, long_sleeves, looking_at_viewer, navel, off_shoulder, open_clothes, open_jacket, outdoors, red_eyes, rumia, short_hair, small_breasts, smile, solo, standing, stomach, string_bikini, swimsuit, thighs, touhou, uumaru, wading, water, white_bikini