i did something bad when i was in high school . i didnt think it was big deal then but now im not as thrilled about it. im just glad she never found out about it. me and her friend is only ones that ever knew about it and im glad she kept her word not to tell my sister or anyone else ever about it. but same time still today after all these years i get horny thinking about it and jerk off often with it on my mind, i was in high school my younger sister was in 8th grade at the time i didnt have too much experience in sex. had few little sex with couple girls but i wasnt that experienced then but i did have a huge interest in oral sex i loved to get my dick sucked. i only had it sucked few times only at the time i did this but i knew i loved it and i had a thought that wouldnt go away that i thought was flawless and id never get caught and the girl would never knw who i am so i thought it was perfect idea. but i didnt know how id get her to the place and how id get her to agree to try it. then i had a moment with her best friend that was not plaaned it happened fast and unexpected but it gave me an idea that was perfect for what i was thinking of doing. her friend liked me a lot had crush on me but i didnt really think of her that way. one day she came over to see my sister but she wasnt home i was home alone she asked if my sister was home i said no im here alone. she said she walked all way over here for nothing. i said youre welcome to come in and wait for her but i didnt know when shed be home. she said ok came in i gave her a drink we talked about little things, then when i was facing away from her she made a grunt like she liked something i turned around said what was that she said nothing i said tell me she said sorry i just couldnt keep it in she said i saw your nice butt and it just came out. i was a little embarassed i said why you checking out my but she said she couldnt help it it was right there. we laughed then after a while talking we got to talking about personal stuff she said she only did it with a guy twice she asked me how many times i did it with a girl i lied i only did it 3 times but told her i did it about 6 times. long story short i don't know how it became about my sister but we were talking about sex stuff and got to talking about gloryhole cause i told her its a good way to get some experience and practice without having to meet the guy or have him know who you are and you can just do it without looking for a guy first. she liked the idea and asked where are the gloryholes at i knew one place only and after some more talking i got her to agree to try it but id need to go there with her or she wouldnt do it. i said ok i would and i said id check first to make sure the guy whos on other side the wall is decent looking so we planned on doing it the weekend i never did anything with her before but talking about it got me thinking so i got up the nerve to ask her if i could ask her something she said ok i said only if you promise not to ever tell anyone else she said ok i said while were waiting for weekend to try this if you want we can try something before then she asked like what i said its up to you im fine with it if you are but only if youre ok with it just being for fun nothing more and only if you and i keep it to ourselves no one ever knows but us she asked what am i talking about. i said ok ill just tell you if youre not interested ok well forget all about it ok if you are interested fine well try it out and if you want to stop anythime say so well stop ok she said ok i said since were on the subject of sex and were planning to do something that you said you want to try with me there with you i was thinking why not do something else too since we both are talking about it and both like it so why don't we both try something together we both may like it and have fun without any strings just both having fun. she said what kind of fun. i just said sexual fun she laughed and said what i said since we talked about oral sex and gloryholes and youre going to try it and asked me to go with you when you do it and since i love getting sucked off and you want to try it with gloryhole with me with you then i think why don't we just try it together before you try gloryhole that way youll have some more practice when you do it and since i love getting head a lot ill get some pleasure too. well keep it secret so no worry of anyone knowing and i said we can just do it once only if she wants or if she wants we can do it other times it was up to her id be ok with whatever she decides. she was flushed and i said i knew she had crush on me my sister told me so she would be happy to do it then. she said i can't beleive she told you, so i said well do you want to try it i will if you want she said she didnt know so i said ill tell you what well try it and at anytime you decide you want to stop you can itll be ok if you want to keep going you can too she said i guess so we waisted no time i didnt want her to change her mind i said ok lets just do it now she said where we going to do it i said my bedroom no ones home well be alone for few hours so plenty time we went in bedroom i said ill start i took off my clothes till naked then i undressed her till naked kissed her played with her little firm boobs felt her pussy took her hand put it on my soft cock told her to play with it then told her to kneel down took grabbed my cock put my hand on back her head then rubbed my cock on her face and lips then said open up put it in her mouth told her to suck it till its hard then after hard she sucked it more i layed on bed she sucked it till i came didnt tell her it was coming so i can grab back her head when i came so shed have to swallow it afterwards i licked her pussy till she came too that was it but we then talked about gloryhole and after long time i got to ASKING HER About also me getting sucked by stranger in gloryhole after she was done doing it but we didnt have a girl who we can get to do it after a while we joked about getting my sister to try it too and we planned on talking her into trying it she was going to get her to try it and shed go with her and i wanted to try it but didnt know a girl who we can get for it so after some time the idea came up i was not serious at first just joking about it but it then led to being a serious idea since i didnt have a girl to do it when i tried it then it led to hell why not try it shell never know who the guy was so it won't be risky, and i to be honest i admit it was a little more turn on to me because shes my sister after some time we decided to do it her friend thought it would be funny to do it and i was turned on by it so we decided to do it. her friend talked to my sister told her she knew a place with gloryholes she tried it already it was fun etc and got my sister to agree to go there with her to see the place the plan was shed get my sister there and i was there already and i was behind the wall id put my cock in hole first her friend would suck me a while to show my sister its easy to do then shed talk my sister into trying it after a little convincing my sister said ok shed try it just for couple minutes she switched seats with her friend and my sister grabbed my hard cock rubbed it then started sucking it slow after couple minutes my sister said ok there happy now her friend said you got that far just keep going a few more minutes my sister kept going then i got close to cumming i hoped she didnt stop now she didnt i started cumming without making a sound didnt want her to recognise my voice it took her a moment to know i was cumming in her mouth then she made a noise her friend said don't stop its just cum and it won't kill you she kept going till i was done cumming i don't have big loads so it wasnt going to gag her later i asked her friend if she swallowed all it she said yes she did and she told me she asked my sister if she liked it she said it was fun and she said i didnt know he was cumming but it wasnt as bad as i thought her friend asked how it tasted she said its ok she sid she can still taste it so i got blowjob from my sister came in her mouth and she never found out it was my cock she sucked off its turn on i just wished i would have got pics vids of it but back then we didnt have cell phones and cameras were expensive. its been over 30 years now and i thought of telling her sometimes but didnt