Hello guys, Welcome to my 7th part of story. Hope you are enjoying the stories. If you haven’t read the last part then go check my profile. Or click here.
Let’s take a quick recap
It was the next day of my birthday. I was controlling not to get hard but she somehow maked me. While I was jerking she gave me a task to fill the glass of water with my cum in two days. One day was passed and I slept after exhausting so much. I cummed 5 times that day.
The next day begins. Parents went for work. I was feeling good. As I woke up I got freshed. Took a good bath with cold water so that I would do great for task.
I almost filled the glass to half but more than half was still remaining. I was worried what if I couldn’t complete it.
I called my sister to bring me glass of cum. And I started jerking but not cumming. I wasn’t that hard.
I think my sister saw that and tried to help. She bent down in front of me. I can see her cleavage which made me hard. Now I cummed within 5 mins.
That was more cum so the glass was filled almost 60%.
But still 40% was left.
She asked me ” are you done?”.
I replied Yes.
She took the glass and and went to her work.
After 2 hours or resting I want to complete the task but had nothing to get hard on. It was getting difficult. Then I tried to watch tv there were some bikini girls that helped me cum . I cummed two times after intervals . So now the glass was almost 80%. But I was tired. I took rest for 2 hours.
Now I only had 2 hours before our parents come home. Some how I managed to cum a little but couldn’t cum much. It doesn’t affected the percentage. Let’s say 5%.
15 was still left and nothing to do. I thought I lost to this. Waited one hour and tried to do again but couldn’t. She was watching me still but I can’t do it.
Tried for almost 15 mins but not getting hard. She told me to quit but I won’t I was still trying. She saw me trying hard.
So she lifted her t-shirt up to the navel. Boobs were covered but navel was visible. It was like she is helping me to complete the task. Now I became hard again seeing that navel.
I couldn’t beleived what happened. As I got hard she dropped her t-shirt to normal. She gave me a boost. Now I was hard but with empty balls couldn’t cum much. I filled the glass almost full but not full.
Not only half hour remains.
She asked me to ” will you do more”
I replied ” I wish I could but no”
She told ” then you will loose the opportunity”.
I asked “is there anything else I can do”.
I don’t want to loose. She asked maybe you must drink all that cum.
I was shocked . That’s a lot of cum. I can’t swallow it.
I had only 30 mins left. So I accepted that too but couldn’t hold any more and little was in mouth and whole cum was dropped on my body. My sister told me rub my each part of body with that cum. And let it dry for 5 mins
After that I went for shower and our parents reached home so I got dressed.
[TO BE CONTINUED…..]
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Source: reddit.com/r/eroticliterature/comments/qemyty/incest_with_sister_part_7