It had been 4 months since Joanne and I had had sex, 4 months since I had cum inside of my cousin's pussy. We hadn't really talked about it, but she was going to be in town again, and I knew it had to be addressed. I called her.
"Joanne," I said, "It's me."
"Oh god," she said, "I know."
"Look," I said, "we're going to be staying together again. If we don't, people will get suspicious. Let's just move past what happened, and start with a fresh slate."
"Agreed," she said, "It was a mistake. We're cousins. What we did was wrong. Cousins don't fuck each other."
"They don't," I agreed.
"You can still jerk off to me," Joanne assured.
"Woah," I protested, "That's how we got into trouble last time."
"No, we got into trouble because I thought you stole my panties. This time, I'll just give you a few pairs. That should do the trick."
"y-you... You want me to cum into your panties?"
"yeah."
I couldn't wait for Joanne to visit.
Joanne gave me a pair of frilly pink cotton panties and a silky green g-string. "oh my god, Jo," I gasped, "are you serious?"
"Yeah; blow your load in these, instead of me. I want those back when I leave, by the way."
Joanne had mellowed quite a bit in the intervening months, and I took full advantage, wrapping her underwear around my cock and making her panties stiff with semen as she walked about. By the 2nd week, she started going topless. I asked her about it and she just said "You're already spunking my thong, and I know you've seen my tits, so who cares?"