My husband's younger brother came to stay for work. He came running from the station and his shirt was soaked with sweat. I was worried he would catch a cold if he stayed like this, so I quickly prepared a bath and a change of clothes and went into the dressing room. Then, I accidentally saw my brother-in-law's horse-sized penis! After seeing that, I couldn't get my brother-in-law's huge cock out of my head...