アナルセックスの動きを学ぶ

Innumerable erogenous zones just waiting to be explored.

The mouth, the ears, the neck, the sexual organs are just the most obvious of these.

It is the man's task to set out on this exploratory mission.

The tongue contains an unimaginable number of sense receptors.

It is not only capable of tasting, but is at least as adept at feeling.