Serval-chan pooped while wearing her panties...Until then, it's only our fur. Therefore we do not need to remove it.Amazing! Mysterious!You know... when you go to the toilet?If we recognize our fur as "clothes", we will be able to take it off.Jeez, to make a huge mess in your panties like that!How do Friends do "it" anyway?What are you doing?Ah Professor! I'm washing my panties at the moment!