C163 Sister-in-law's Insult

The next day I woke up with a piss.

After lying in bed for a long time, I couldn't help but get up. I walked to the bathroom in a daze and opened the door to find my sister-in-law sitting on the toilet.

I was still very sleepy, but when I saw my sister-in-law take off her pants and sit on the toilet, I immediately woke up.

I quickly shut the bathroom door