I felt weak after my orgasm. Cassidy still had her hand on my dick when we heard our mom walk in. Boy was I scared! I told Cassidy to quickly go to her room. She nodded and left. I grabbed my book and pretended to read it. My mom walked into Cassidy's room. I heard a short conversation. I then grabbed the covers that were ironically covered in semen and pulled them over me. Trust me, that was a little bit weird!After talk...