I'm not sure if sexual behavior between siblings is normal or not. Fact is my sexual experiences began with my brother. We never went further than masturbation, and in my opinion it was nothing more than a learning experience with a little harmless fun mixed in. I guess I'll share my story and you can all be the judge.
It happened a number of years back. I had just turned 16 he was 14. I was a bit more mature but was still a virgin in every respect. My parents had a very tight grip on us and dating was not allowed. We had seperate rooms but I would often hang out with him in his room. His was larger with quite a bit of floor space. I would often walk in wearing a tank top and panties. I often caught him checking me out. I knew he was curious about girls, I kinda liked how he would sneak looks at me.
One night we were sitting around late at night. Our parents had gone to bed a while ago. We started talking about sex and dating, and how we didn't think it was fair that we couldn't. He said he wanted to see a girls boobs. I laughed and asked if he looked at porn. He said yes but he wanted to see real ones. I knew how he felt. I had never seen a dick before and I really wanted too. We decided we'd be willing to help each other out as long as we never told.
He was wearing only boxers at the time and said he would go first. I smiled and watched as he pulled them off. He was bigger than I pictured. He was all eyes as I pulled off my tank top. I was kinda feeling turned on that I was showing my boobs to my brother. I noticed he was too because he was rock hard in a second. I thought it was cute how easy it was. I had not planned on getting fully naked but somehow ended up outta my undies.
We sat around naked for a while exploring each others bodies and asking questions. I showed him my vagina and how it was wet inside. We talked about masturbation and how we did it. We both admitted that we did, and tried to show each other. We had not intended to go this far, but I guess it was bound to happen. I showed him how I rubbed my clit and fingered myself. He asked if he could try. I let him. I was too turned on to care it was my brother, and I wanted to feel someone touch me. I practically gushed when he slid his finger inside me. He looked like he was going to explode so I reached out and grabbed his dick. It was leaking like crazy. I asked if it was cum and he said it was precum. I asked if he wanted to cum and he said yes. I started masturbating him while he was doing me. About a minute later he shot everywhere. He said it was amazing and I agreed.
I fingered myself all night thinking about it. We did have a few more encounters afterwards. I'm glad I had my brother to learn with. I don't think it was wrong as we made sure not to go too far. Like I said it was harmless learning.