1girl, alternate_costume, amagi_(amagi626), arm_up, ass, bikini, blonde_hair, bow, breasts, from_behind, hair_bow, hair_intakes, halterneck, lips, long_hair, looking_at_viewer, looking_back, medium_breasts, multi-tied_hair, no_headwear, purple_bikini, purple_eyes, red_bow, red_nails, side-tie_bikini_bottom, sidelocks, solo, standing, string_bikini, swimsuit, touhou, very_long_hair, white_background, white_headwear, yakumo_yukari