The anus through the pudendal nerves, the rectum through the pelvic nerves, and the G-Spot through the hypogastric nerves. As you can see an anal orgasm is completely achievable and it could be very pleasurable for her. Now, try the analingus technique called Rose Petals, in which you move your tongue in tiny circular loops, as if you are tracing the sepals the small green leaves at the bottom of a rose, and then move your tongue in a circle around the rim of the anus this is known as rimming. The back of her deep spot is located in the deepest part of the vagina, all the way in before the cervix. Once you insert a whole finger or a penis and you reach the rectum, another set of pleasures are involved. However, keep in mind that you're not dealing with her vagina; therefore, you MUST be extremely careful and patient.
This guide is entirely focused in anal sex and will teach you everything you need to know to master it.
Are you simply curious about anal sex? Go ahead and read Anal Pleasure For Her. Each of these tissues send sensory signals to the brain through different pair of nerves: There you have it! Start with a massage in her butt.