At least one heroine in this visual novel is the protagonist's sister, but they are not biologically related to one another. This heroine could be the protagonist's stepsister, adopted sister or foster sister.
| Name | Similarity |
|---|---|
| Non-blood-related Sister Role | 24% |
| Non-blood-related Incest Engages in (Sexual) | 20% |
| Younger Sister Role | 19% |
| Non-blood-related Brother Role | 17% |
| Step Sister Role | 17% |
| Twin Tails Hair | 16% |
| Brother Complex Personality | 14% |
| Ribbon Hair Tie Clothes | 14% |
| Older Sister Role | 14% |
| Cowgirl Subject of (Sexual) | 13% |
| Older Brother Role | 13% |
| Thigh-high Stockings Clothes | 13% |
| Missionary Subject of (Sexual) | 13% |
| Ponytail Hair | 13% |
| Sitting Sex Subject of (Sexual) | 13% |
| Blond Hair | 13% |
| Doggy Style Subject of (Sexual) | 13% |
| Kind Personality | 13% |
| Waist Length+ Hair | 13% |
| Sixty-nine Engages in (Sexual) | 13% |