2girls, ass, bed_sheet, black_hair, black_skirt, blue_panties, blue_sweater_vest, blush, brown_eyes, clothes_lift, collared_shirt, long_sleeves, looking_at_viewer, looking_back, lying, matsunaga_kouyou, multiple_girls, on_back, open_mouth, original, panties, pleated_skirt, polka_dot, polka_dot_panties, school_uniform, shirt, skirt, skirt_lift, straddling, striped, striped_panties, sweater_vest, teeth, thighs, underwear, upper_teeth_only, white_panties, white_shirt, yuri