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Sister Lesson has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| Middle Sister Role | 3 | 2.51 | 3.49 |
| Huge Breasts Body | 5 | 1.78 | 3.19 |
| Squirrel Role | 1 | 3.80 | 2.63 |
| Leg Locking During Sex Engages in (Sexual) | 2 | 2.34 | 2.57 |
| Four-Legged Body | 1 | 3.30 | 2.29 |
| Flower / Plant Items | 1 | 2.83 | 1.96 |
| Rabbit Role | 1 | 2.73 | 1.89 |
| Nursing Handjob Engages in (Sexual) | 1 | 2.57 | 1.78 |
| Round Eyes | 1 | 2.57 | 1.78 |
| Bodysponge Engages in (Sexual) | 1 | 2.38 | 1.65 |
| Twin Blowjob Engages in (Sexual) | 2 | 1.44 | 1.58 |
| Pissing on Others Engages in (Sexual) | 1 | 2.26 | 1.57 |
| Swimsuit Clothes | 1 | 2.25 | 1.56 |
| Fur Body | 1 | 2.22 | 1.54 |
| Robot Role | 1 | 2.20 | 1.53 |
| Female Ejaculation Engages in (Sexual) | 2 | 1.38 | 1.52 |
| Virgin Sex Engages in (Sexual) | 5 | 0.84 | 1.51 |
| Nurse Role | 1 | 2.15 | 1.49 |
| Tail Body | 1 | 2.14 | 1.48 |
| Twelfth Grader Role | 1 | 2.06 | 1.43 |
| Furry Tail Body | 1 | 2.03 | 1.40 |
| Watashi Personality | 2 | 1.26 | 1.39 |
| Erotic Spanking Subject of (Sexual) | 1 | 1.96 | 1.36 |
| Naked Clothes | 1 | 1.95 | 1.35 |
| Strange Personality | 1 | 1.94 | 1.35 |
| Naked Apron Clothes | 1 | 1.87 | 1.29 |
| Cunnilingus Subject of (Sexual) | 2 | 1.17 | 1.29 |
| Bob Cut Hair | 1 | 1.82 | 1.26 |
| Kemonomimi Body | 1 | 1.76 | 1.22 |
| Pajamas Clothes | 1 | 1.75 | 1.21 |
| Cowgirl Engages in (Sexual) | 1 | 1.72 | 1.19 |
| Footjob Engages in (Sexual) | 1 | 1.71 | 1.19 |
| Sex with Protagonist Only Engages in (Sexual) | 1 | 1.69 | 1.17 |
| Intake Hair | 1 | 1.66 | 1.15 |
| Garnet Eyes | 1 | 1.65 | 1.14 |
| Relaxed Personality | 1 | 1.64 | 1.14 |
| Sex in Classroom Engages in (Sexual) | 1 | 1.61 | 1.12 |
| Senpai Role | 1 | 1.61 | 1.11 |
| Older Sister Role | 1 | 1.55 | 1.08 |
| French Kiss Engages in (Sexual) | 1 | 1.52 | 1.05 |
| Younger Sister Role | 1 | 1.44 | 1.00 |
| Cooking Engages in | 1 | 1.41 | 0.98 |
| Tominagi Subject of (Sexual) | 1 | 1.36 | 0.94 |
| White Hair | 1 | 1.34 | 0.93 |
| Sixty-nine Engages in (Sexual) | 1 | 1.25 | 0.87 |
| Friendly Personality | 1 | 1.23 | 0.85 |
| Handjob Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Vaginal Fingering Subject of (Sexual) | 1 | 1.08 | 0.75 |
| Boobjob Engages in (Sexual) | 1 | 1.06 | 0.74 |
| Sitting Sex Subject of (Sexual) | 1 | 1.05 | 0.73 |
| Kind Personality | 1 | 1.04 | 0.72 |
| Straight Hair | 1 | 0.96 | 0.66 |
| Doggy Style Subject of (Sexual) | 1 | 0.92 | 0.64 |
| Brown Eyes | 1 | 0.90 | 0.62 |
| Blowjob Engages in (Sexual) | 1 | 0.76 | 0.53 |
| School Uniform Clothes | 1 | 0.74 | 0.51 |
| Brown Hair | 1 | 0.68 | 0.47 |
| Short Hair | 1 | 0.61 | 0.42 |