2girls, bangs, black_hair, comic, dark-skinned_female, dark_skin, feet, greyscale, licking, licking_foot, long_sleeves, medium_hair, messy_hair, monochrome, multiple_girls, necktie, open_mouth, saliva, skirt, sweat, sweatdrop, sweater, sweater_around_neck, thighs, tongue, yuri