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You retarded CUNTS need to learn what "biological sibling incest" means.
>biological
Absolutely NO step-sibling or in-law bullshit is to be posted
>sibling
I can't believe I have to explain this. The SIBLING incest thread is for FUCKING SIBLINGS. SIBLINGS ONLY. This is EXTREMELY easy to understand. DON'T POST MOMMYSHIT, COUSINSHIT, ETC IN THIS THREAD. If you don't know what a simple everyday English word like "sibling" means, either consult Google or kill yourself.
>biological
Absolutely NO step-sibling or in-law bullshit is to be posted
>sibling
I can't believe I have to explain this. The SIBLING incest thread is for FUCKING SIBLINGS. SIBLINGS ONLY. This is EXTREMELY easy to understand. DON'T POST MOMMYSHIT, COUSINSHIT, ETC IN THIS THREAD. If you don't know what a simple everyday English word like "sibling" means, either consult Google or kill yourself.