[While fucking my brother-in-law's cock, I noticed that it was a good match ...] At first, I felt guilty. I hurt my brother-in-law because of me, and I was inconvenienced, so I couldn't refuse the request, "I can't do it myself, so let me feel refreshed." Must not be. I thought so. However, I think that the urge to insert it while sandwiching it over and over again was rising in me ...