2girls, :d, back-to-back, backlighting, backpack, bag, bicycle, bicycle_basket, black_hair, black_legwear, blush, bridge, fence, ground_vehicle, kneehighs, looking_at_viewer, looking_back, midriff, miniskirt, multiple_girls, multiple_riders, neckerchief, open_mouth, pavement, purple_theme, railing, riding, school_uniform, shadow, short_hair, short_sleeves, sitting, sitting_backwards, skirt, sky, smile, socks, twilight, v_arms