Average Rating:7.31
Bayesian Rating:7.21
Total Votes:40
Updated 1 month ago
No description available
Onii-chan Chou Suki 99 Jikan Ecchi Shiyo! has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
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| Name | Score | Importance | Weight |
|---|---|---|---|
| Only Protagonist's Sisters as Heroine(s) | 3.00 | 1.99 | 5.97 |
| Brother/Sister Romance | 3.00 | 1.93 | 5.78 |
| Unnamed Protagonist | 3.00 | 1.88 | 5.64 |
| Protagonist's Younger Sister as a Heroine | 3.00 | 1.88 | 5.63 |
| Shimaidon with Twins Ending | 2.00 | 2.59 | 5.19 |
| Brocon Heroine | 3.00 | 1.61 | 4.84 |
| Twin Sisters as Heroines | 2.50 | 1.82 | 4.56 |
| Siscon Protagonist | 2.00 | 2.05 | 4.11 |
| Armpit Sex | 2.00 | 2.00 | 4.00 |
| Twin Handjob | 2.00 | 1.99 | 3.98 |
| Read Text Marking | 2.00 | 1.84 | 3.68 |
| Otaku Heroine | 2.00 | 1.81 | 3.63 |
| Twin Boobjob | 2.00 | 1.68 | 3.36 |
| Sex with Protagonist Only | 2.50 | 1.13 | 2.82 |
| Tsundere Heroine | 2.00 | 1.40 | 2.80 |
| Only Virgin Heroines | 2.50 | 1.08 | 2.71 |
| Naked Sprites | 2.00 | 1.05 | 2.11 |
| Heroine with Big Breasts | 2.00 | 0.85 | 1.71 |
| Defloration | 2.00 | 0.76 | 1.52 |
| Nukige | 2.00 | 0.65 | 1.30 |
| Male Protagonist | 3.00 | 0.30 | 0.91 |
| ADV | 2.00 | 0.15 | 0.29 |
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Multicolored Eyes Eyes | 2 | 2.68 | 2.94 |
| Baby-doll Clothes | 2 | 2.44 | 2.68 |
| School Swimsuit Clothes | 2 | 2.30 | 2.53 |
| Nightgown Clothes | 2 | 2.29 | 2.52 |
| Twin Handjob Engages in (Sexual) | 2 | 2.21 | 2.43 |
| Brother Complex Personality | 2 | 2.06 | 2.26 |
| Armpit Sex Subject of (Sexual) | 1 | 3.21 | 2.22 |
| One Piece Swimsuit Clothes | 2 | 1.92 | 2.11 |
| Masturbation in front of an Audience Engages in (Sexual) | 2 | 1.90 | 2.09 |
| Student Role | 3 | 1.49 | 2.06 |
| Twin Sister Role | 2 | 1.86 | 2.04 |
| Incest Engages in (Sexual) | 3 | 1.47 | 2.03 |
| Intercrural Sex Engages in (Sexual) | 2 | 1.85 | 2.03 |
| Cooking Engages in | 3 | 1.42 | 1.96 |
| Twin Boobjob Engages in (Sexual) | 2 | 1.77 | 1.94 |
| Vaginal Masturbation Engages in (Sexual) | 2 | 1.70 | 1.86 |
| Pink Eyes | 2 | 1.62 | 1.78 |
| Sleepyhead Personality | 1 | 2.51 | 1.74 |
| Clothing with Ribbons Clothes | 2 | 1.57 | 1.73 |
| Full Sister Role | 2 | 1.57 | 1.72 |
| Armpit Sex Engages in (Sexual) | 1 | 2.48 | 1.72 |
| Ribbon Headband Clothes | 1 | 2.45 | 1.70 |
| Sister Complex Personality | 1 | 2.38 | 1.65 |
| French Kiss Engages in (Sexual) | 2 | 1.49 | 1.63 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 3 | 1.17 | 1.63 |
| Pissing Engages in (Sexual) | 2 | 1.46 | 1.61 |
| Twin Blowjob Engages in (Sexual) | 2 | 1.45 | 1.59 |
| Younger Sister Role | 2 | 1.44 | 1.59 |
| Tank Top Clothes | 2 | 1.42 | 1.56 |
| Nature Lover Personality | 1 | 2.19 | 1.52 |
| Female Ejaculation Engages in (Sexual) | 2 | 1.37 | 1.50 |
| Bukkake Subject of (Sexual) | 2 | 1.35 | 1.48 |
| No Name Role | 1 | 2.12 | 1.47 |
| Pink Hair | 2 | 1.33 | 1.46 |
| Ahegao Engages in (Sexual) | 2 | 1.32 | 1.45 |
| Otaku Personality | 1 | 2.05 | 1.42 |
| Sixty-nine Engages in (Sexual) | 2 | 1.26 | 1.38 |
| Watashi Personality | 2 | 1.26 | 1.38 |
| Full Brother Role | 1 | 1.95 | 1.35 |
| Piledriver Subject of (Sexual) | 1 | 1.94 | 1.35 |
| Straight Hair | 3 | 0.95 | 1.31 |
| Anal Sex Subject of (Sexual) | 2 | 1.19 | 1.31 |
| Tsundere Personality | 1 | 1.87 | 1.30 |
| Butterfly Subject of (Sexual) | 2 | 1.17 | 1.29 |
| Handjob Engages in (Sexual) | 2 | 1.16 | 1.27 |
| Big Breasts Body | 2 | 1.14 | 1.25 |
| Short Shorts Clothes | 1 | 1.77 | 1.23 |
| Cheerful Personality | 1 | 1.74 | 1.21 |
| Older Brother Role | 1 | 1.73 | 1.20 |
| Reserved Personality | 1 | 1.72 | 1.19 |
| Vaginal Fingering Subject of (Sexual) | 2 | 1.08 | 1.19 |
| Sitting Sex Subject of (Sexual) | 2 | 1.06 | 1.17 |
| Spoons Subject of (Sexual) | 1 | 1.67 | 1.16 |
| Violet Eyes | 2 | 1.04 | 1.15 |
| Reverse Cowgirl Subject of (Sexual) | 1 | 1.63 | 1.13 |
| Ore Personality | 1 | 1.58 | 1.09 |
| Older Sister Role | 1 | 1.56 | 1.08 |
| Sidehair Hair | 2 | 0.98 | 1.07 |
| Cowgirl Subject of (Sexual) | 2 | 0.95 | 1.05 |
| Blouse Clothes | 1 | 1.47 | 1.02 |
| Doggy Style Subject of (Sexual) | 2 | 0.93 | 1.02 |
| Seventh Posture Subject of (Sexual) | 1 | 1.46 | 1.01 |
| Virgin Sex Engages in (Sexual) | 2 | 0.85 | 0.93 |
| Waist Length+ Hair | 2 | 0.81 | 0.89 |
| Teen Body | 3 | 0.62 | 0.86 |
| Standing Sex Subject of (Sexual) | 1 | 1.18 | 0.82 |
| Slim Body | 3 | 0.58 | 0.80 |
| Twin Tails Hair | 1 | 1.13 | 0.78 |
| Boobjob Engages in (Sexual) | 1 | 1.07 | 0.74 |
| Miniskirt Clothes | 1 | 1.06 | 0.74 |
| Kind Personality | 1 | 1.03 | 0.71 |
| Pale Body | 3 | 0.37 | 0.51 |
| Short Hair | 1 | 0.61 | 0.42 |