My son's friend is staying at my house for the weekend. He's complaining of a headache, so I tell him to get the pills from the pantry. I accidentally told him to take the Viagra, though! He has a raging boner, so I grab a towel and lube for him so he can relieve himself. The next day, he asks me to help him this time with a hand job. He finishes in a towel so I don't have too much to clean up or have to explain something to my husband. The day after that, he asks me to help him get off, but this time he wants a blowjob!? He finishes in my mouth so there's not a huge mess. I really hope my husband doesn't find out! The following day, my son's friend convinces me to fuck him so that nobody finds out about the naughty things we've been doing the past few days. This is part 4 of a 4 part series.