These games contain sexual scenes between a brother and his sister. They may or may not be blood-related.
| Name | Similarity |
|---|---|
| Incest Engages in (Sexual) | 20% |
| Younger Sister Role | 18% |
| Brother Complex Personality | 14% |
| Older Brother Role | 13% |
| Full Sister Role | 13% |
| Older Sister Role | 12% |
| Boobjob Engages in (Sexual) | 12% |
| Sitting Sex Subject of (Sexual) | 11% |
| Cowgirl Subject of (Sexual) | 11% |
| Doggy Style Subject of (Sexual) | 11% |
| Twin Tails Hair | 11% |
| Full Brother Role | 11% |
| Blowjob Engages in (Sexual) | 11% |
| Brown Hair | 11% |
| Cunnilingus Subject of (Sexual) | 11% |
| Waist Length+ Hair | 11% |
| Thigh-high Stockings Clothes | 10% |
| Sixty-nine Engages in (Sexual) | 10% |
| Handjob Engages in (Sexual) | 10% |
| Vaginal Fingering Subject of (Sexual) | 10% |