2girls, 4koma, animal_ears, blue_eyes, blush, breasts, comic, detached_sleeves, gas_mask, greyscale, hair_over_one_eye, hair_ribbon, large_breasts, long_hair, mask, monochrome, multiple_girls, nude, pajamas, pee, peeing, peeing_self, rabbit_ears, ribbon, sailor_collar, school_uniform, serafuku, tears, very_long_hair, zzz