Your wife's best friend has been trying to get pregnant for years and just found out that her husband has a low sperm count. You are both alone one day and she asks if you could get her pregnant instead! She knows that you have a high sperm count REALLY wants it. You agree to help her out. She sucks your cock and then hops on. She's really impressed at how big you are. You hit spots that her husband hasn't been able to! Your wife is so lucky! She calls you step-daddy and you give her exactly what she wants!