These games feature heroines who are the twin sister of the protagonist. Differs from Twin Sister Heroines in that they're the twin sister of the protagonist, not just random twin sisters.
| Name | Similarity |
|---|---|
| Twin Sister Role | 36% |
| Twin Brother Role | 34% |
| Incest Engages in (Sexual) | 21% |
| Brother Complex Personality | 20% |
| Younger Sister Role | 19% |
| Twin Tails Hair | 18% |
| Waist Length+ Hair | 16% |
| Older Sister Role | 15% |
| Knee-high Socks Clothes | 15% |
| Masturbation Engages in (Sexual) | 14% |
| Ribbon Hair Tie Clothes | 14% |
| Friendly Personality | 14% |
| Blond Hair | 14% |
| Handjob Subject of (Sexual) | 14% |
| Sixty-nine Engages in (Sexual) | 14% |
| Boobjob Engages in (Sexual) | 14% |
| Missionary Subject of (Sexual) | 14% |
| Cowgirl Engages in (Sexual) | 14% |
| Sister Complex Personality | 13% |
| Miniskirt Clothes | 13% |