Average Rating:5.37
Bayesian Rating:5.52
Total Votes:329
Updated 15 days ago
Kaito and Rikuto are twins and they have a younger sister named Arisa. Though they are twins, the nerdy Kaito is obviously inferior to the intelligent and athletic younger twin brother, Rikuto. One night, Kaito saw his younger sister enthusiastically fellating Rikuto. Watching the spectacle while feeling the sense of being left alone, he blazed up with rage. Now that his twin is too busy with a baseball tournament... armed with photographs he stealthily took when the two broke the taboo, driven by hatred towards his younger sister and jealousy for his brother, it's time to enforce equality.
Kyoudai Hiai ~Iya na no ni, Kanjichau~ has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| Voyeurism Subject of | 3 | 1.99 | 2.77 |
| Sex on Roof Engages in (Sexual) | 2 | 2.30 | 2.53 |
| Twin Brother Role | 2 | 2.28 | 2.50 |
| Voyeurism Engages in (Sexual) | 2 | 2.17 | 2.39 |
| Honor Student Role | 2 | 2.08 | 2.29 |
| Assertive Personality | 2 | 1.96 | 2.16 |
| Full Brother Role | 2 | 1.95 | 2.14 |
| Non-consensual Porn Acting (volunteer) Engages in (Sexual) | 1 | 3.06 | 2.12 |
| Filming Engages in | 1 | 3.03 | 2.10 |
| Incest Engages in (Sexual) | 3 | 1.47 | 2.04 |
| Rhythmic Gymnastics Engages in | 1 | 2.94 | 2.04 |
| Eye Covering Hair | 2 | 1.80 | 1.98 |
| Hetare Personality | 1 | 2.78 | 1.92 |
| Older Brother Role | 2 | 1.72 | 1.89 |
| Cowgirl Engages in (Sexual) | 2 | 1.72 | 1.89 |
| Unpopular Role | 1 | 2.71 | 1.88 |
| Rape with Blackmail Subject of | 1 | 2.60 | 1.80 |
| Popular Role | 2 | 1.64 | 1.80 |
| Bondage Engages in | 1 | 2.53 | 1.75 |
| Sexual Harassment Engages in | 1 | 2.46 | 1.70 |
| Spit-roast Engages in (Sexual) | 1 | 2.45 | 1.70 |
| Blowjob Subject of (Sexual) | 2 | 1.53 | 1.68 |
| Photography Engages in | 1 | 2.42 | 1.67 |
| Sex in Front of an Audience Engages in (Sexual) | 2 | 1.51 | 1.66 |
| Non-consensual Porn Acting Subject of (Sexual) | 1 | 2.38 | 1.65 |
| Sister Complex Personality | 1 | 2.38 | 1.65 |
| Leotard Clothes | 1 | 2.37 | 1.64 |
| Infidelity Subject of | 1 | 2.33 | 1.62 |
| Group Sex Engages in (Sexual) | 2 | 1.45 | 1.59 |
| Netori (their SO is stolen) Subject of | 1 | 2.27 | 1.57 |
| Blackmail Engages in | 1 | 2.22 | 1.54 |
| Bathroom Sex Engages in (Sexual) | 2 | 1.39 | 1.53 |
| Seduction Engages in | 1 | 2.20 | 1.52 |
| Seventh Posture Engages in (Sexual) | 1 | 2.20 | 1.52 |
| Sexual Submissive Role | 1 | 2.19 | 1.52 |
| Netori (steals the SO) Engages in | 1 | 2.18 | 1.51 |
| Sexual Dominant Role | 1 | 2.17 | 1.50 |
| Netorare (they are the stolen SO) Subject of | 1 | 2.14 | 1.49 |
| Blackmail Subject of | 1 | 2.12 | 1.47 |
| Hidden Vibrator Subject of (Sexual) | 1 | 2.11 | 1.47 |
| Sports Uniform Clothes | 1 | 2.08 | 1.44 |
| Anal Fingering Engages in (Sexual) | 1 | 2.06 | 1.43 |
| Brother Complex Personality | 1 | 2.06 | 1.43 |
| Sly Personality | 1 | 2.05 | 1.42 |
| Butterfly Engages in (Sexual) | 1 | 2.04 | 1.41 |
| Object Insertion Subject of (Sexual) | 1 | 2.02 | 1.40 |
| Sex in Public Places Engages in (Sexual) | 2 | 1.26 | 1.39 |
| Masturbation in front of an Audience Engages in (Sexual) | 1 | 1.92 | 1.33 |
| Boobjob Subject of (Sexual) | 1 | 1.87 | 1.30 |
| Sexual Blindfold Subject of (Sexual) | 1 | 1.85 | 1.28 |
| Outdoor Sex Engages in (Sexual) | 2 | 1.16 | 1.27 |
| Sitting Sex Engages in (Sexual) | 1 | 1.83 | 1.27 |
| Rape Engages in (Sexual) | 1 | 1.81 | 1.26 |
| Hidden Eyes | 1 | 1.81 | 1.25 |
| Anal Sex Engages in (Sexual) | 1 | 1.77 | 1.23 |
| Outgoing Personality | 1 | 1.76 | 1.22 |
| Handjob Subject of (Sexual) | 1 | 1.76 | 1.22 |
| Multiple Penetration Subject of (Sexual) | 1 | 1.75 | 1.21 |
| Missionary Engages in (Sexual) | 1 | 1.75 | 1.21 |
| Spit-roast Subject of (Sexual) | 1 | 1.74 | 1.21 |
| Anal Fingering Subject of (Sexual) | 1 | 1.71 | 1.19 |
| Arrogant Personality | 1 | 1.70 | 1.18 |
| Doggy Style Engages in (Sexual) | 1 | 1.70 | 1.18 |
| Spoons Subject of (Sexual) | 1 | 1.67 | 1.16 |
| Garnet Eyes | 1 | 1.65 | 1.14 |
| Vaginal Fingering Engages in (Sexual) | 1 | 1.62 | 1.13 |
| Sex in Classroom Engages in (Sexual) | 1 | 1.61 | 1.12 |
| Spiky Bangs Hair | 2 | 1.01 | 1.11 |
| Full Sister Role | 1 | 1.57 | 1.09 |
| Bondage Sex Subject of (Sexual) | 1 | 1.56 | 1.08 |
| Sex in Water Engages in (Sexual) | 1 | 1.56 | 1.08 |
| Rape Subject of (Sexual) | 1 | 1.56 | 1.08 |
| Smart Personality | 1 | 1.47 | 1.02 |
| Teasing Engages in | 1 | 1.46 | 1.01 |
| Pissing Engages in (Sexual) | 1 | 1.46 | 1.01 |
| Seventh Posture Subject of (Sexual) | 1 | 1.45 | 1.01 |
| Younger Sister Role | 1 | 1.44 | 1.00 |
| V Bangs Hair | 1 | 1.42 | 0.98 |
| Female Ejaculation Engages in (Sexual) | 1 | 1.38 | 0.96 |
| Masturbation Engages in (Sexual) | 1 | 1.37 | 0.95 |
| Knee-high Socks Clothes | 1 | 1.37 | 0.95 |
| Virgin Sex Engages in (Sexual) | 2 | 0.84 | 0.93 |
| Anal Sex Subject of (Sexual) | 1 | 1.19 | 0.82 |
| Ribbon Hair Tie Clothes | 1 | 1.18 | 0.82 |
| Butterfly Subject of (Sexual) | 1 | 1.17 | 0.81 |
| School Uniform Clothes | 2 | 0.74 | 0.81 |
| Twin Tails Hair | 1 | 1.12 | 0.78 |
| Missionary Subject of (Sexual) | 1 | 1.11 | 0.77 |
| Tareme Eyes | 1 | 1.09 | 0.76 |
| 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 |
| Teen Body | 2 | 0.61 | 0.67 |
| Straight Hair | 1 | 0.96 | 0.66 |
| Doggy Style Subject of (Sexual) | 1 | 0.92 | 0.64 |
| Slim Body | 2 | 0.57 | 0.63 |
| Black Hair | 1 | 0.81 | 0.56 |
| Blowjob Engages in (Sexual) | 1 | 0.76 | 0.53 |
| Long Hair | 1 | 0.75 | 0.52 |
| Pale Body | 3 | 0.37 | 0.51 |
| Brown Hair | 1 | 0.68 | 0.47 |
| Short Hair | 1 | 0.61 | 0.42 |