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 | 35% |
| Twin Brother Role | 32% |
| Incest Engages in (Sexual) | 21% |
| Brother Complex Personality | 20% |
| Younger Sister Role | 19% |
| Twin Tails Hair | 18% |
| Older Sister Role | 15% |
| Waist Length+ Hair | 15% |
| Ribbon Hair Tie Clothes | 14% |
| Sister Complex Personality | 14% |
| Knee-high Socks Clothes | 14% |
| Sidehair Hair | 14% |
| Cowgirl Engages in (Sexual) | 13% |
| Friendly Personality | 13% |
| Blond Hair | 13% |
| Masturbation Engages in (Sexual) | 13% |
| Violet Eyes | 13% |
| Thigh-high Stockings Clothes | 13% |
| Handjob Subject of (Sexual) | 13% |
| Sixty-nine Engages in (Sexual) | 13% |