1girl, ass, bikini, blush, breasts, from_behind, green_bikini, green_eyes, green_hair, green_headwear, green_shirt, hair_between_eyes, hat, key, large_breasts, looking_back, massakasama, medium_hair, open_mouth, shirt, simple_background, solo, swimsuit, touhou, upper_body, white_background, yamashiro_takane