The heroine's parents are genetically closely related to each other.
| Name | Similarity |
|---|---|
| Inbred Role | 50% |
| Inbreeding Engages in (Sexual) | 34% |
| Half-sister Role | 30% |
| Incest Engages in (Sexual) | 29% |
| Mother Role | 26% |
| Daughter Role | 25% |
| Father Role | 23% |
| Aunt Role | 23% |
| Full Sister Role | 23% |
| Older Sister Role | 23% |
| Son Role | 23% |
| Younger Sister Role | 22% |
| Full Brother Role | 22% |
| Half-brother Role | 22% |
| Cowgirl Engages in (Sexual) | 20% |
| Brother Complex Personality | 20% |
| Doggy Style Engages in (Sexual) | 20% |
| Handjob Subject of (Sexual) | 19% |
| Deredere Personality | 19% |
| Older Brother Role | 19% |