Where it happened: home
Langauge: english
Sex: Male
Rating: 3
Category: Straight
I was 18 and my sister was 19. She had left for college. We had always been close but had never seen each other naked. When she came home for Thanksgiving, she said she needed to discuss something very personal with me. I said okay. She said all the girls she had met at college were talking about their sexual experiences with their boyfriends. She said that since she was virgin, she had said nothing. But she felt like she was going to be excluded from the group if she remained a virgin. She asked me if I was still a virgin. I told her yes. Then she said to me that she had decided that since we were both virgins and would like to see what it was like to really “do it”, we might do it with each other. Since we were virgins, she said we would not have to worry about STD’s, all we had to worry about was to make sure she didnt get pregnant. I told her that we couldnt because we were brother and sister. She said no one would know and then she stripped in front of me. That did it. I became so excited seeing a naked woman for the first time. I knew now, i could not resist. I asked her what we would do about birth control. She said that we could use our mom’s spermicidal jelly. She said that the tube said it could be used without a diaphragm. She said that mom must have her diaphragm in because she didn’t see it in the drawer and she thought she heard them having sex during the night. She said that the instructions were not in the box so she needed me to call a drug store and ask how much to use. She was going to take a shower to shave her legs and underarms for me. I could call while she did that. Then we would be ready to do it. i said okay. She hopped in the shower and i made the phone call. I was scared to death. A female pharmacist answered and i told her my sister and i needed to know how much of our moms jelly we needed to use. She said we shouldnt do it because we were brother and sister. I told her i said the same thing but then my sister stripped and i couldnt resist. She wanted to talk to sis. I told her she was in shower shaving so she couldnt. She didnt want to tell me how to use it but i told her we were going to do it anyway and if she did not tell us and sis got preg, it would be her fault. She hung up on me. I called another store and had better luck. That one kinda giggled when i asked her. She said she would check the box. She read the instructions and told me for us to inserst one applicator full in my sister’s vagina before we started and that if we repeated intercourse to put in another. Then she told me for us to enjoy it. She also said that if i didnt have a condom to wear, i might want to pull out and shoot outside sister’s body but that i might not have enough control to pull out in time but it would be good to try. I thanked her.Then sis and i put in the jelly and went to it. It was wonderful. But as predicted i lost control and came inside her but the jelly must have worked. she didnt get preg.
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