These games contain sexual scenes between a non-blood-related brother and sister.
| Name | Similarity |
|---|---|
| Non-blood-related Incest Engages in (Sexual) | 23% |
| Non-blood-related Sister Role | 23% |
| Younger Sister Role | 19% |
| Non-blood-related Brother Role | 18% |
| Step Sister Role | 16% |
| Twin Tails Hair | 15% |
| Cowgirl Subject of (Sexual) | 14% |
| Ribbon Hair Tie Clothes | 14% |
| Doggy Style Subject of (Sexual) | 14% |
| Sixty-nine Engages in (Sexual) | 14% |
| Sitting Sex Subject of (Sexual) | 14% |
| Boobjob Engages in (Sexual) | 14% |
| Brother Complex Personality | 13% |
| Missionary Subject of (Sexual) | 13% |
| Cunnilingus Subject of (Sexual) | 13% |
| Older Sister Role | 13% |
| Older Brother Role | 13% |
| Ponytail Hair | 13% |
| Blond Hair | 13% |
| Waist Length+ Hair | 13% |