My step-sis refuses to put any real clothes on while in the house! She is always walking around in just a tank top and underwear, and our parents are always telling her how inappropriate she is being. I also tell her to put more clothes on. I say things like... One day something bad is going to happen to you, cause you walk around like a little slut.

I realize that she is my step-sister, but as I guy...I can only take so much of a visual tease before I snap and act on my primal horny urges!

So when I came home early from school today, and saw that my little step-sis was... Show more