Average Rating:6.25
Bayesian Rating:5.93
Total Votes:20
Updated 9 days ago
The protagonist, Nagasawa Ikki, has a little sister named Nagasawa Mao. She's in a bit of a difficult phase of puberty. Mao is reliable, cheerful, openhearted, excels at her studies, and is a perfect superwoman! Ikki always gets treated strictly by his little sister, and even if he is her older brother, he's completely outclassed by Mao. One day, as usual, Ikki is nearly late for school, and was struck by Mao to wake him up. While complaining, he went with his little sister and rode a crowded train together to avoid being late. The train was jam packed, which resulted to them sticking together and unable to move. At that time, whether its a coincidence or a prank from God, the train shook which caused Mao's breast to push into her brother. Even if she is his little sister, Mao is a beauty who is around his age, and as such, he started acting strange and was getting aroused. Mao noticed Ikki's change in behavior and said "Could it be that you got aroused?". Ikki was unable to answer, and with a devilish smile, Mao said "I'm your little sister, you know?". And then she reached her hand towards her brother's "swelled thing"...... [Translated from Official Site]
Ore no Imouto wa, Tsundere de Hentai Deshita ~Onii-chan no Mae de Dake nan Dakara ne!~ has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
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| Name | Score | Importance | Weight |
|---|---|---|---|
| Glasses Option | 3.00 | 2.49 | 7.46 |
| Blood-related Brother/Sister Incest | 3.00 | 1.48 | 4.45 |
| Buttjob | 1.50 | 2.87 | 4.31 |
| Single Buttjob | 2.00 | 1.98 | 3.96 |
| Modern Tsundere Heroine | 2.00 | 1.75 | 3.51 |
| Exhibitionism | 2.00 | 1.65 | 3.30 |
| Brocon Heroine | 2.00 | 1.61 | 3.21 |
| Under the Same Roof | 2.50 | 1.27 | 3.18 |
| High Sexual Content | 3.00 | 1.05 | 3.15 |
| Heroine Having Sex with Others | 2.00 | 1.52 | 3.04 |
| High School Student Protagonist | 2.50 | 1.20 | 3.01 |
| Footjob | 1.50 | 1.89 | 2.83 |
| Perverted Heroine | 2.00 | 1.39 | 2.79 |
| Sex in Public Places | 2.50 | 1.09 | 2.72 |
| Intercrural Sex | 2.00 | 1.34 | 2.69 |
| Outdoor Sex | 2.50 | 0.99 | 2.49 |
| Student Heroine | 2.50 | 0.99 | 2.49 |
| Handjob | 1.50 | 1.51 | 2.26 |
| Spoons | 1.50 | 1.49 | 2.23 |
| Heroine with Glasses | 2.00 | 1.11 | 2.22 |
| Incest | 1.00 | 2.12 | 2.12 |
| Protagonist's Sister as a Heroine | 1.00 | 2.09 | 2.09 |
| Multiple Endings | 3.00 | 0.67 | 2.00 |
| Protagonist's Blood-related Sister as a Heroine | 1.00 | 1.95 | 1.95 |
| Lactation During Sex | 1.50 | 1.27 | 1.90 |
| Cowgirl | 2.00 | 0.84 | 1.67 |
| Sixty-nine | 1.50 | 1.07 | 1.61 |
| Sitting Sex | 1.50 | 1.05 | 1.58 |
| Cunnilingus | 1.50 | 0.93 | 1.39 |
| Nukige | 2.00 | 0.65 | 1.30 |
| Doggy Style | 1.00 | 0.80 | 0.80 |
| Male Protagonist | 2.50 | 0.30 | 0.75 |
| ADV | 3.00 | 0.14 | 0.43 |
| Blowjob | 0.33 | 1.12 | 0.37 |
| 2.00 | 0.00 | 0.00 |
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Traditional Bloomers Clothes | 1 | 3.07 | 2.13 |
| Consensual Phone Sex Engages in (Sexual) | 1 | 3.03 | 2.10 |
| Molesting Engages in | 1 | 2.70 | 1.87 |
| School Athletic Club Member Role | 1 | 2.62 | 1.82 |
| Split Personality Subject of | 1 | 2.56 | 1.77 |
| Modern Tsundere Personality | 1 | 2.42 | 1.68 |
| Exhibitionist Role | 1 | 2.42 | 1.67 |
| No Panties Clothes | 1 | 2.40 | 1.67 |
| Buttjob Engages in (Sexual) | 1 | 2.39 | 1.66 |
| Incest Engages in (Sexual) | 2 | 1.47 | 1.61 |
| Food Play Engages in (Sexual) | 1 | 2.23 | 1.55 |
| Public Masturbation Engages in (Sexual) | 1 | 2.21 | 1.53 |
| Footjob Subject of (Sexual) | 1 | 2.18 | 1.51 |
| Third Person Personality | 1 | 2.12 | 1.47 |
| Brother Complex Personality | 1 | 2.06 | 1.43 |
| Sex in a Vehicle Engages in (Sexual) | 1 | 2.03 | 1.41 |
| Voyeurism Subject of | 1 | 1.95 | 1.35 |
| Mutual Masturbation Engages in (Sexual) | 1 | 1.94 | 1.34 |
| Discreet Sex Engages in (Sexual) | 1 | 1.85 | 1.29 |
| Intercrural Sex Engages in (Sexual) | 1 | 1.84 | 1.28 |
| Planning Engages in | 1 | 1.83 | 1.27 |
| Strict Personality | 1 | 1.83 | 1.27 |
| Bob Cut Hair | 1 | 1.82 | 1.26 |
| Hidden Eyes | 1 | 1.80 | 1.25 |
| Older Brother Role | 1 | 1.73 | 1.20 |
| Footjob Engages in (Sexual) | 1 | 1.72 | 1.19 |
| Stubborn Personality | 1 | 1.67 | 1.16 |
| Spoons Subject of (Sexual) | 1 | 1.67 | 1.15 |
| Crop Top Clothes | 1 | 1.66 | 1.15 |
| Pervert Personality | 1 | 1.63 | 1.13 |
| Full Sister Role | 1 | 1.56 | 1.08 |
| Sex in Water Engages in (Sexual) | 1 | 1.56 | 1.08 |
| Sex in Front of an Audience Engages in (Sexual) | 1 | 1.50 | 1.04 |
| Smart Personality | 1 | 1.46 | 1.01 |
| Younger Sister Role | 1 | 1.44 | 1.00 |
| Cooking Engages in | 1 | 1.42 | 0.98 |
| Bathroom Sex Engages in (Sexual) | 1 | 1.39 | 0.96 |
| Nipple Sucking Subject of (Sexual) | 1 | 1.38 | 0.96 |
| Female Ejaculation Engages in (Sexual) | 1 | 1.36 | 0.94 |
| T-shirt Clothes | 1 | 1.31 | 0.91 |
| Black Hair | 2 | 0.80 | 0.88 |
| Sex in Public Places Engages in (Sexual) | 1 | 1.26 | 0.87 |
| Sixty-nine Engages in (Sexual) | 1 | 1.26 | 0.87 |
| Watashi Personality | 1 | 1.25 | 0.87 |
| Standing Sex Subject of (Sexual) | 1 | 1.18 | 0.81 |
| Cunnilingus Subject of (Sexual) | 1 | 1.16 | 0.81 |
| Handjob Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Outdoor Sex Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Missionary Subject of (Sexual) | 1 | 1.12 | 0.77 |
| Glasses Clothes | 1 | 1.08 | 0.75 |
| Quickie Fix Subject of (Sexual) | 1 | 1.08 | 0.75 |
| Boobjob Engages in (Sexual) | 1 | 1.07 | 0.74 |
| Miniskirt Clothes | 1 | 1.06 | 0.74 |
| Sitting Sex Subject of (Sexual) | 1 | 1.06 | 0.74 |
| Violet Eyes | 1 | 1.05 | 0.72 |
| Cowgirl Subject of (Sexual) | 1 | 0.95 | 0.66 |
| Virgin Sex Engages in (Sexual) | 1 | 0.85 | 0.59 |
| Blowjob Engages in (Sexual) | 1 | 0.76 | 0.53 |
| School Uniform Clothes | 1 | 0.75 | 0.52 |
| Teen Body | 1 | 0.62 | 0.43 |
| Short Hair | 1 | 0.61 | 0.42 |
| Slim Body | 1 | 0.58 | 0.40 |
| Pale Body | 1 | 0.37 | 0.26 |