2girls, bikini, bikini_top_only, black_collar, breasts, bright_pupils, closed_mouth, collar, collarbone, flat_chest, fundoshi, gradient_hair, hands_on_another's_shoulders, hata_no_kokoro, hijiri_byakuren, japanese_clothes, large_breasts, looking_at_viewer, multicolored_hair, multiple_girls, pink_eyes, pink_hair, ribs, simple_background, slit_pupils, smile, swimsuit, touhou, yellow_background, yellow_eyes, yohane