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!
A novel needs atleast 20 owners before it's similarity is calculated.
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Non-blood-related Sister Role | 10 | 2.17 | 5.20 |
| Non-blood-related Incest Engages in (Sexual) | 9 | 2.16 | 4.96 |
| Full Sister Role | 9 | 1.57 | 3.61 |
| Older Sister Role | 9 | 1.56 | 3.58 |
| 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 | 2.59 | 2.84 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 10 | 1.17 | 2.82 |
| Secretary Role | 2 | 2.48 | 2.72 |
| Strange Personality | 3 | 1.95 | 2.70 |
| Big Breasts Body | 9 | 1.14 | 2.63 |
| Boobjob Engages in (Sexual) | 10 | 1.07 | 2.56 |
| Sexual Orientation Discovery Subject of | 1 | 3.56 | 2.47 |
| Deredere Personality | 3 | 1.74 | 2.42 |
| Erotic Comic Artist Role | 1 | 3.48 | 2.41 |
| Seduction Engages in | 2 | 2.18 | 2.39 |
| Virtual Sex Engages in (Sexual) | 1 | 3.37 | 2.34 |
| Violent Personality | 2 | 2.10 | 2.31 |
| Spiky Bangs Hair | 9 | 1.00 | 2.30 |
| Hosome Eyes | 4 | 1.37 | 2.20 |
| Wavy Hair | 4 | 1.36 | 2.19 |
| Pole Dancing Engages in | 1 | 3.14 | 2.18 |
| Resilient Personality | 1 | 3.11 | 2.16 |
| Striptease Engages in (Sexual) | 1 | 3.10 | 2.15 |
| Piledriver Subject of (Sexual) | 2 | 1.94 | 2.13 |
| Archaic Dialect Personality | 1 | 3.06 | 2.12 |
| Superstitious Personality | 1 | 3.04 | 2.11 |
| Wrestling Engages in | 1 | 3.03 | 2.10 |
| Unhealthy Relationship Subject of | 1 | 2.97 | 2.06 |
| Cardigan Clothes | 2 | 1.87 | 2.06 |
| BL Fan Personality | 1 | 2.94 | 2.04 |
| Sex in Library Engages in (Sexual) | 1 | 2.92 | 2.03 |
| Pretending Personality | 2 | 1.82 | 2.00 |
| Comic Artist Role | 1 | 2.87 | 1.99 |
| Bun Hair | 2 | 1.77 | 1.95 |
| Masturbation Engages in (Sexual) | 3 | 1.39 | 1.92 |
| Reserved Personality | 2 | 1.72 | 1.88 |
| Turtleneck Dress Clothes | 1 | 2.70 | 1.87 |
| Keigo Personality | 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 |
| Young-adult Body | 10 | 0.76 | 1.83 |
| Breast Smothering Engages in (Sexual) | 1 | 2.64 | 1.83 |
| Olive Body | 2 | 1.66 | 1.82 |
| Fishnet Stockings Clothes | 1 | 2.62 | 1.81 |
| Perfectionist Personality | 1 | 2.61 | 1.81 |
| Pervert Personality | 2 | 1.63 | 1.79 |
| Old-fashioned Personality | 1 | 2.58 | 1.79 |
| Garter Belt Stockings Clothes | 2 | 1.62 | 1.78 |
| Tareme Eyes | 4 | 1.10 | 1.78 |
| Pink Eyes | 2 | 1.62 | 1.78 |
| Kansai-ben Personality | 1 | 2.54 | 1.76 |
| Hair Beads Hair | 1 | 2.52 | 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 | 2.46 | 1.70 |
| Friendly Personality | 3 | 1.22 | 1.69 |
| Orange Hair | 2 | 1.51 | 1.66 |
| Leotard Clothes | 1 | 2.38 | 1.65 |
| Sister Complex Personality | 1 | 2.38 | 1.65 |
| Non-blood-related Brother Role | 1 | 2.37 | 1.65 |
| Kuudere Personality | 1 | 2.34 | 1.62 |
| Spoiled Personality | 1 | 2.32 | 1.61 |
| Nymphomania Subject of | 1 | 2.32 | 1.60 |
| Smart Personality | 2 | 1.46 | 1.60 |
| Family Oriented Personality | 1 | 2.31 | 1.60 |
| Housewife Role | 1 | 2.30 | 1.60 |
| Obedient Personality | 1 | 2.29 | 1.59 |
| Rope Bondage Harness Clothes | 1 | 2.29 | 1.59 |
| Eccentric Personality | 1 | 2.29 | 1.59 |
| Lolita Clothes | 1 | 2.26 | 1.57 |
| Tanline Body | 1 | 2.26 | 1.57 |
| Martial Arts Engages in | 1 | 2.24 | 1.55 |
| Sexual Cosplay Engages in (Sexual) | 1 | 2.24 | 1.55 |
| Body Ribbon Clothes | 1 | 2.22 | 1.54 |
| Cowgirl Subject of (Sexual) | 4 | 0.95 | 1.54 |
| Robot Role | 1 | 2.20 | 1.53 |
| Bathroom Sex Engages in (Sexual) | 2 | 1.39 | 1.53 |
| Gothic Clothes | 1 | 2.20 | 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 | 1.33 | 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 | 2.06 | 1.43 |
| Otaku Personality | 1 | 2.05 | 1.42 |
| Docile Personality | 1 | 2.04 | 1.42 |
| Sex on Toilet Engages in (Sexual) | 1 | 2.04 | 1.41 |
| Sex in a Vehicle Engages in (Sexual) | 1 | 2.04 | 1.41 |
| Green Eyes | 3 | 1.02 | 1.41 |
| Hime Cut Hair | 1 | 2.02 | 1.40 |
| Emotional Personality | 1 | 2.02 | 1.40 |
| Towel Clothes | 1 | 2.01 | 1.40 |
| Yamato Nadeshiko Role | 1 | 2.00 | 1.38 |
| Sex in Public Places Engages in (Sexual) | 2 | 1.26 | 1.38 |
| Turtleneck Shirt Clothes | 1 | 1.99 | 1.38 |
| Cleaning Engages in | 1 | 1.99 | 1.38 |
| Parted in Middle Hair | 2 | 1.25 | 1.38 |
| Ribbon Tie Clothes | 2 | 1.25 | 1.37 |
| Facesitting Engages in (Sexual) | 1 | 1.97 | 1.37 |
| Virgin Sex Engages in (Sexual) | 4 | 0.85 | 1.37 |
| Blowjob Engages in (Sexual) | 5 | 0.76 | 1.36 |
| Tomboy Personality | 1 | 1.96 | 1.36 |
| Voyeurism Subject of | 1 | 1.96 | 1.36 |
| Erotic Spanking Subject of (Sexual) | 1 | 1.96 | 1.36 |
| Cold-hearted Personality | 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 | 0.93 | 1.28 |
| Short-tempered Personality | 1 | 1.85 | 1.28 |
| Honest Personality | 1 | 1.84 | 1.27 |
| Shirt Clothes | 2 | 1.16 | 1.27 |
| Homosexual Role | 1 | 1.83 | 1.27 |
| Strict Personality | 1 | 1.83 | 1.27 |
| Slim Body | 8 | 0.58 | 1.27 |
| Bob Cut Hair | 1 | 1.82 | 1.26 |
| Hidden Eyes | 1 | 1.81 | 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 | 1.73 | 1.20 |
| Huge Breasts Body | 1 | 1.72 | 1.19 |
| Glasses Clothes | 2 | 1.08 | 1.19 |
| Quickie Fix Subject of (Sexual) | 2 | 1.08 | 1.19 |
| Vaginal Masturbation Engages in (Sexual) | 1 | 1.70 | 1.18 |
| Loyal Personality | 1 | 1.69 | 1.17 |
| Mysterious Personality | 1 | 1.69 | 1.17 |
| Protective Personality | 1 | 1.68 | 1.16 |
| Carefree Personality | 1 | 1.68 | 1.16 |
| Stubborn Personality | 1 | 1.68 | 1.16 |
| Intake Hair | 1 | 1.67 | 1.16 |
| Parted to Side Hair | 2 | 1.05 | 1.16 |
| Collar Clothes | 1 | 1.66 | 1.15 |
| Thigh-high Stockings Clothes | 2 | 1.04 | 1.14 |
| Relaxed Personality | 1 | 1.64 | 1.13 |
| Mini-dress Clothes | 1 | 1.64 | 1.13 |
| Reverse Cowgirl Subject of (Sexual) | 1 | 1.63 | 1.13 |
| Popular Role | 1 | 1.63 | 1.13 |
| Nail Polish Body | 1 | 1.63 | 1.13 |
| Blue Eyes | 3 | 0.80 | 1.11 |
| University Student Role | 1 | 1.59 | 1.10 |
| Lactation Engages in | 1 | 1.59 | 1.10 |
| Apron Clothes | 1 | 1.59 | 1.10 |
| Clothing with Ribbons Clothes | 1 | 1.57 | 1.09 |
| Bondage Sex Subject of (Sexual) | 1 | 1.57 | 1.09 |
| Jeans Clothes | 1 | 1.56 | 1.08 |
| Bracelet Clothes | 1 | 1.56 | 1.08 |
| Refined Personality | 1 | 1.54 | 1.07 |
| Wife Role | 1 | 1.54 | 1.06 |
| Vest Clothes | 1 | 1.52 | 1.06 |
| Group Sex Engages in (Sexual) | 1 | 1.50 | 1.04 |
| Serious Personality | 1 | 1.49 | 1.03 |
| Incest Engages in (Sexual) | 1 | 1.47 | 1.02 |
| Pissing Engages in (Sexual) | 1 | 1.46 | 1.02 |
| Seventh Posture Subject of (Sexual) | 1 | 1.46 | 1.01 |
| Mother Role | 1 | 1.46 | 1.01 |
| Teasing Engages in | 1 | 1.45 | 1.00 |
| Not a Virgin Role | 1 | 1.42 | 0.99 |
| Tank Top Clothes | 1 | 1.42 | 0.98 |
| Cooking Engages in | 1 | 1.42 | 0.98 |
| Hair Tie Clothes | 1 | 1.41 | 0.97 |
| Blunt Bangs Hair | 1 | 1.40 | 0.97 |
| Nipple Sucking Subject of (Sexual) | 1 | 1.38 | 0.96 |
| Tsurime Eyes | 1 | 1.38 | 0.96 |
| Knee-high Socks Clothes | 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 | 0.82 |
| 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 |