对于基本的阴道性交，电影位置的简报很高。

So, today I will be exploring positions for vaginal sex.

To do this, I will use this excellent red inflatable sofa, which you can order for your

own use in my store, bio3****.

Sexual intercourse or coitus or copulation is a sexual activity typically involving the

insertion and threshing of the penis into the vagina for sexual pleasure, reproduction,