1boy, 1girl, 2koma, ^_^, bag, bench, black_pants, black_skirt, blue_shirt, breasts, brother_and_sister, brown_eyes, brown_hair, brown_sweater, closed_eyes, comic, hetero, incest, large_breasts, long_sleeves, looking_at_another, on_bench, original, pants, shirt, short_hair, siblings, sitting, skirt, smile, speech_bubble, sweater, wakamatsu372, white_shirt