A.' in 'Manual Masturbation'- she can give 'Master-Classes'in 'Master-Bating', but technically still secretly very virgin in intercourse, while she is...only pretending 'pussy-penetration' for her 'curious cumming clients' on the pay-phone private 69-line! ================================================================================So 'Sister Serana' still seeks 'Sex-Master' to teach the teasing teen 'new numbers in intercourse' each day'Sister Serena' submits to her bold 'big bro' in a secret. . i waited but had no text back, 5 texts later and still no reply, "i hope shes ok?" so i called her phone, it just rang and then went to voicemail.I rushed home, 20 minuits later as our home came into view, a sign of releif as i saw a van parked outside, the guy had arrived to fit the washing machine part, no wonder she didnt reply, he was early and she must have rushed to get her gown on to cover up and get down the stairs to answer the door. I opened the front door and walked into the house,. Mother had me lie down next to Wilma, and then mother licked my balls and then up my cock (witch is a respectable 11 inches). Anyway while mother was licking me, Wilma reached down behind mother and fingered her cunt.Mother was close to Cumming, when Wilma said; bobby, fuck Toby good, now you slut.Mother moved up my body so she was right over my cock, mother lowered herself down over my cock till she had taken ten inches and with a sigh she said; Willie, he's going to split me open.Wilma smiled. She noticed it too. I felt her fingers realize they had discovered her son had a boner. She looked at me, not only was I embarrassed but I also thought I was going to get in trouble, my face clearly expressed these concerns. “Oh honey!” She laughed. “It’s ok, you didn’t do anything wrong!”“I didn’t mean to..” I started. “Don’t be silly, it’s normal, I’m not upset.” She smiled at me. It was then that I realized not only had she NOT pulled her hand away in disgust, like I would’ve expected, but.