Keisuke (the player) lives with his ten step-sisters, however despite their amazing bodies and beauty, they are relatives, and should be considered "off limits". But of course, rules are made to be broken...
Ane to Boin has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| Non-blood-related Sister Role | 10 | 2.17 | 5.20 |
| Non-blood-related Incest Engages in (Sexual) | 9 | 2.15 | 4.96 |
| Full Sister Role | 9 | 1.56 | 3.60 |
| Older Sister Role | 9 | 1.56 | 3.59 |
| Triple Boobjob Engages in (Sexual) | 3 | 2.51 | 3.48 |
| Younger Sister Role | 8 | 1.44 | 3.17 |
| Brother Complex Personality | 3 | 2.06 | 2.85 |
| Erotic Massage Subject of | 2 | 2.58 | 2.83 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 10 | 1.17 | 2.81 |
| Secretary Role | 2 | 2.48 | 2.73 |
| Strange Personality | 3 | 1.94 | 2.70 |
| Big Breasts Body | 9 | 1.13 | 2.61 |
| Boobjob Engages in (Sexual) | 10 | 1.07 | 2.56 |
| Sexual Orientation Discovery Subject of | 1 | 3.53 | 2.45 |
| Deredere Personality | 3 | 1.74 | 2.42 |
| Erotic Comic Artist Role | 1 | 3.48 | 2.41 |
| Seduction Engages in | 2 | 2.17 | 2.39 |
| Virtual Sex Engages in (Sexual) | 1 | 3.36 | 2.33 |
| Violent Personality | 2 | 2.10 | 2.31 |
| Spiky Bangs Hair | 9 | 1.00 | 2.30 |
| Hosome Eyes | 4 | 1.37 | 2.21 |
| Wavy Hair | 4 | 1.36 | 2.18 |
| Pole Dancing Engages in | 1 | 3.12 | 2.16 |
| Striptease Engages in (Sexual) | 1 | 3.10 | 2.15 |
| Resilient Personality | 1 | 3.10 | 2.15 |
| Piledriver Subject of (Sexual) | 2 | 1.94 | 2.13 |
| Superstitious Personality | 1 | 3.05 | 2.11 |
| Archaic Dialect Personality | 1 | 3.04 | 2.11 |
| Wrestling Engages in | 1 | 3.02 | 2.09 |
| Cardigan Clothes | 2 | 1.88 | 2.06 |
| BL Fan Personality | 1 | 2.95 | 2.04 |
| Unhealthy Relationship Subject of | 1 | 2.93 | 2.03 |
| Sex in Library Engages in (Sexual) | 1 | 2.92 | 2.02 |
| Pretending Personality | 2 | 1.82 | 2.00 |
| Comic Artist Role | 1 | 2.87 | 1.99 |
| Bun Hair | 2 | 1.77 | 1.94 |
| Masturbation Engages in (Sexual) | 3 | 1.39 | 1.93 |
| Reserved Personality | 2 | 1.71 | 1.88 |
| Keigo Personality | 1 | 2.71 | 1.88 |
| Turtleneck Dress Clothes | 1 | 2.70 | 1.87 |
| Outdoor Sex Engages in (Sexual) | 4 | 1.16 | 1.86 |
| Misandrist Personality | 1 | 2.67 | 1.85 |
| Reverse Piledriver Subject of (Sexual) | 1 | 2.65 | 1.83 |
| Breast Smothering Engages in (Sexual) | 1 | 2.65 | 1.83 |
| Young-adult Body | 10 | 0.76 | 1.82 |
| Olive Body | 2 | 1.66 | 1.82 |
| Fishnet Stockings Clothes | 1 | 2.62 | 1.81 |
| Perfectionist Personality | 1 | 2.61 | 1.81 |
| Old-fashioned Personality | 1 | 2.58 | 1.79 |
| Pervert Personality | 2 | 1.63 | 1.79 |
| Tareme Eyes | 4 | 1.11 | 1.78 |
| Pink Eyes | 2 | 1.62 | 1.78 |
| Garter Belt Stockings Clothes | 2 | 1.62 | 1.77 |
| Kansai-ben Personality | 1 | 2.54 | 1.76 |
| Hair Beads Hair | 1 | 2.53 | 1.75 |
| Sex in Water Engages in (Sexual) | 2 | 1.56 | 1.72 |
| Consumption of Porn Engages in (Sexual) | 1 | 2.46 | 1.71 |
| Quiet Personality | 1 | 2.45 | 1.70 |
| Friendly Personality | 3 | 1.22 | 1.69 |
| Orange Hair | 2 | 1.51 | 1.66 |
| Leotard Clothes | 1 | 2.39 | 1.66 |
| Sister Complex Personality | 1 | 2.38 | 1.65 |
| Non-blood-related Brother Role | 1 | 2.38 | 1.65 |
| Kuudere Personality | 1 | 2.34 | 1.62 |
| Spoiled Personality | 1 | 2.32 | 1.60 |
| Nymphomania Subject of | 1 | 2.31 | 1.60 |
| Smart Personality | 2 | 1.46 | 1.60 |
| Housewife Role | 1 | 2.31 | 1.60 |
| Family Oriented Personality | 1 | 2.31 | 1.60 |
| Rope Bondage Harness Clothes | 1 | 2.29 | 1.59 |
| Eccentric Personality | 1 | 2.29 | 1.59 |
| Obedient Personality | 1 | 2.28 | 1.58 |
| Lolita Clothes | 1 | 2.27 | 1.57 |
| Tanline Body | 1 | 2.26 | 1.57 |
| Sexual Cosplay Engages in (Sexual) | 1 | 2.24 | 1.55 |
| Martial Arts Engages in | 1 | 2.23 | 1.55 |
| Body Ribbon Clothes | 1 | 2.23 | 1.54 |
| Cowgirl Subject of (Sexual) | 4 | 0.95 | 1.53 |
| Robot Role | 1 | 2.20 | 1.53 |
| Gothic Clothes | 1 | 2.20 | 1.52 |
| Bathroom Sex Engages in (Sexual) | 2 | 1.39 | 1.52 |
| Strapless Dress Clothes | 1 | 2.18 | 1.51 |
| Bookworm Personality | 1 | 2.16 | 1.50 |
| Vaginal Fingering Subject of (Sexual) | 3 | 1.08 | 1.50 |
| Bandages Clothes | 1 | 2.15 | 1.49 |
| Swordsmanship Engages in | 1 | 2.15 | 1.49 |
| Sitting Sex Subject of (Sexual) | 3 | 1.06 | 1.47 |
| Skirt Clothes | 2 | 1.34 | 1.47 |
| Long Hair | 6 | 0.75 | 1.46 |
| Insightful Personality | 1 | 2.10 | 1.45 |
| T-shirt Clothes | 2 | 1.31 | 1.44 |
| Honorable Personality | 1 | 2.07 | 1.43 |
| Otaku Personality | 1 | 2.05 | 1.42 |
| Docile Personality | 1 | 2.04 | 1.42 |
| Green Eyes | 3 | 1.02 | 1.41 |
| Sex in a Vehicle Engages in (Sexual) | 1 | 2.03 | 1.41 |
| Sex on Toilet Engages in (Sexual) | 1 | 2.03 | 1.41 |
| Hime Cut Hair | 1 | 2.02 | 1.40 |
| Towel Clothes | 1 | 2.01 | 1.39 |
| Emotional Personality | 1 | 2.01 | 1.39 |
| Yamato Nadeshiko Role | 1 | 2.00 | 1.38 |
| Sex in Public Places Engages in (Sexual) | 2 | 1.26 | 1.38 |
| Cleaning Engages in | 1 | 1.99 | 1.38 |
| Turtleneck Shirt Clothes | 1 | 1.99 | 1.38 |
| Ribbon Tie Clothes | 2 | 1.25 | 1.38 |
| Parted in Middle Hair | 2 | 1.25 | 1.37 |
| Virgin Sex Engages in (Sexual) | 4 | 0.85 | 1.37 |
| Facesitting Engages in (Sexual) | 1 | 1.97 | 1.37 |
| Blowjob Engages in (Sexual) | 5 | 0.76 | 1.36 |
| Tomboy Personality | 1 | 1.96 | 1.36 |
| Erotic Spanking Subject of (Sexual) | 1 | 1.96 | 1.36 |
| Cold-hearted Personality | 1 | 1.95 | 1.35 |
| Voyeurism Subject of | 1 | 1.95 | 1.35 |
| Immature Personality | 1 | 1.93 | 1.34 |
| Cosplay Engages in | 1 | 1.92 | 1.33 |
| Masturbation in front of an Audience Engages in (Sexual) | 1 | 1.90 | 1.32 |
| Younger Brother Role | 1 | 1.90 | 1.32 |
| Red Eyes | 2 | 1.20 | 1.31 |
| Ribbon Hair Tie Clothes | 2 | 1.19 | 1.31 |
| Doggy Style Subject of (Sexual) | 3 | 0.92 | 1.28 |
| Short-tempered Personality | 1 | 1.85 | 1.28 |
| Honest Personality | 1 | 1.83 | 1.27 |
| Shirt Clothes | 2 | 1.16 | 1.27 |
| Strict Personality | 1 | 1.83 | 1.27 |
| Homosexual Role | 1 | 1.83 | 1.27 |
| Slim Body | 8 | 0.58 | 1.27 |
| Bob Cut Hair | 1 | 1.82 | 1.26 |
| Hidden Eyes | 1 | 1.80 | 1.25 |
| Infidelity Engages in | 1 | 1.80 | 1.24 |
| Twin Tails Hair | 2 | 1.13 | 1.24 |
| Pajamas Clothes | 1 | 1.75 | 1.21 |
| Mischievous Personality | 1 | 1.72 | 1.19 |
| Glasses Clothes | 2 | 1.08 | 1.19 |
| Quickie Fix Subject of (Sexual) | 2 | 1.08 | 1.19 |
| Huge Breasts Body | 1 | 1.71 | 1.18 |
| Mysterious Personality | 1 | 1.69 | 1.17 |
| Loyal Personality | 1 | 1.69 | 1.17 |
| Carefree Personality | 1 | 1.68 | 1.17 |
| Vaginal Masturbation Engages in (Sexual) | 1 | 1.68 | 1.16 |
| Intake Hair | 1 | 1.68 | 1.16 |
| Stubborn Personality | 1 | 1.67 | 1.16 |
| Protective Personality | 1 | 1.67 | 1.16 |
| Collar Clothes | 1 | 1.66 | 1.15 |
| Parted to Side Hair | 2 | 1.05 | 1.15 |
| Thigh-high Stockings Clothes | 2 | 1.04 | 1.15 |
| Relaxed Personality | 1 | 1.64 | 1.13 |
| Popular Role | 1 | 1.64 | 1.13 |
| Mini-dress Clothes | 1 | 1.63 | 1.13 |
| Reverse Cowgirl Subject of (Sexual) | 1 | 1.63 | 1.13 |
| Nail Polish Body | 1 | 1.62 | 1.13 |
| Blue Eyes | 3 | 0.80 | 1.11 |
| Lactation Engages in | 1 | 1.59 | 1.10 |
| University Student Role | 1 | 1.59 | 1.10 |
| Apron Clothes | 1 | 1.58 | 1.10 |
| Clothing with Ribbons Clothes | 1 | 1.58 | 1.09 |
| Bondage Sex Subject of (Sexual) | 1 | 1.58 | 1.09 |
| Bracelet Clothes | 1 | 1.56 | 1.08 |
| Jeans Clothes | 1 | 1.55 | 1.08 |
| Refined Personality | 1 | 1.54 | 1.07 |
| Wife Role | 1 | 1.53 | 1.06 |
| Vest Clothes | 1 | 1.52 | 1.06 |
| Group Sex Engages in (Sexual) | 1 | 1.51 | 1.05 |
| Serious Personality | 1 | 1.49 | 1.03 |
| Incest Engages in (Sexual) | 1 | 1.47 | 1.02 |
| Pissing Engages in (Sexual) | 1 | 1.47 | 1.02 |
| Seventh Posture Subject of (Sexual) | 1 | 1.46 | 1.01 |
| Mother Role | 1 | 1.46 | 1.01 |
| Teasing Engages in | 1 | 1.44 | 1.00 |
| Cooking Engages in | 1 | 1.42 | 0.98 |
| Not a Virgin Role | 1 | 1.41 | 0.98 |
| Tank Top Clothes | 1 | 1.41 | 0.98 |
| Hair Tie Clothes | 1 | 1.41 | 0.97 |
| Blunt Bangs Hair | 1 | 1.40 | 0.97 |
| Tsurime Eyes | 1 | 1.38 | 0.96 |
| Knee-high Socks Clothes | 1 | 1.38 | 0.96 |
| Nipple Sucking Subject of (Sexual) | 1 | 1.38 | 0.96 |
| Brown Hair | 3 | 0.68 | 0.95 |
| Tominagi Subject of (Sexual) | 1 | 1.36 | 0.94 |
| Pink Hair | 1 | 1.33 | 0.92 |
| Red Hair | 1 | 1.32 | 0.92 |
| Curtained Hair | 1 | 1.30 | 0.90 |
| Waist Length+ Hair | 2 | 0.81 | 0.89 |
| Dress Clothes | 1 | 1.25 | 0.87 |
| Pale Body | 9 | 0.37 | 0.85 |
| Short Hair | 3 | 0.61 | 0.84 |
| Violet Hair | 1 | 1.19 | 0.83 |
| Blue Hair | 1 | 1.19 | 0.83 |
| Anal Sex Subject of (Sexual) | 1 | 1.19 | 0.82 |
| Standing Sex Subject of (Sexual) | 1 | 1.18 | 0.81 |
| Butterfly Subject of (Sexual) | 1 | 1.17 | 0.81 |
| Cunnilingus Subject of (Sexual) | 1 | 1.16 | 0.81 |
| Ponytail Hair | 1 | 1.10 | 0.76 |
| Miniskirt Clothes | 1 | 1.06 | 0.74 |
| Amber Eyes | 1 | 1.03 | 0.71 |
| Kind Personality | 1 | 1.03 | 0.71 |
| Shoulder-length Hair | 1 | 0.92 | 0.64 |
| Blond Hair | 1 | 0.89 | 0.62 |
| Teen Body | 1 | 0.62 | 0.43 |