At least one of the participiants is not aware of the incestous character of the sexual relation, although the other could be well aware of it. It does not matter if the incestous relation happened by chance or by deceptive intention at the side of the knowning participiant.
| Name | Similarity |
|---|---|
| Unbeknown Incest Engages in (Sexual) | 41% |
| Incest Engages in (Sexual) | 24% |
| Mother Role | 20% |
| Son Role | 18% |
| Vaginal Fingering Subject of (Sexual) | 18% |
| Vaginal Fingering Engages in (Sexual) | 18% |
| Not a Virgin Role | 17% |
| Handjob Engages in (Sexual) | 17% |
| Missionary Subject of (Sexual) | 17% |
| Doggy Style Engages in (Sexual) | 17% |
| Cooking Engages in | 17% |
| Daughter Role | 17% |
| Handjob Subject of (Sexual) | 16% |
| Cowgirl Subject of (Sexual) | 16% |
| Missionary Engages in (Sexual) | 16% |
| Sitting Sex Engages in (Sexual) | 16% |
| Standing Sex Subject of (Sexual) | 16% |
| Boobjob Engages in (Sexual) | 16% |
| Cowgirl Engages in (Sexual) | 16% |
| Trousers Clothes | 16% |