Shiori has two older sisters, Amane and Misaki. People around him think he has a sister complex, so he decides to be remote and cold to them. But one day, he receives an email, "Send us a picture of you and your sisters kissing at school. If you don't, your secret will go public..." [From ErogeShop]
Sister Scheme 2 has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| Rape by Proxy Subject of (Sexual) | 3 | 3.00 | 4.16 |
| Gym Shorts Clothes | 4 | 2.19 | 3.53 |
| Blackmail Subject of | 3 | 2.12 | 2.95 |
| Swimsuit Clothes | 2 | 2.27 | 2.50 |
| Pissing on Others Engages in (Sexual) | 2 | 2.27 | 2.49 |
| Sex with Protagonist Only Engages in (Sexual) | 3 | 1.68 | 2.32 |
| Pompadour Hair | 1 | 3.27 | 2.27 |
| One Piece Swimsuit Clothes | 2 | 1.92 | 2.11 |
| French Kiss Engages in (Sexual) | 3 | 1.48 | 2.05 |
| Incest Engages in (Sexual) | 3 | 1.47 | 2.03 |
| Twin Boobjob Engages in (Sexual) | 2 | 1.77 | 1.94 |
| Twin Boobjob Subject of (Sexual) | 1 | 2.68 | 1.85 |
| Shorts Clothes | 2 | 1.68 | 1.84 |
| Childishly Violent Personality | 1 | 2.64 | 1.83 |
| T-shirt Clothes | 3 | 1.31 | 1.82 |
| Sex in Public Places Engages in (Sexual) | 3 | 1.26 | 1.74 |
| Band-aid Clothes | 1 | 2.51 | 1.74 |
| Middle Sister Role | 1 | 2.51 | 1.74 |
| Full Sister Role | 2 | 1.56 | 1.72 |
| Sex in Water Engages in (Sexual) | 2 | 1.56 | 1.72 |
| Classic Tsundere Personality | 1 | 2.40 | 1.66 |
| Piss Drinking Subject of (Sexual) | 1 | 2.36 | 1.64 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 3 | 1.17 | 1.63 |
| Pissing Engages in (Sexual) | 2 | 1.47 | 1.61 |
| Bikini Clothes | 2 | 1.46 | 1.60 |
| Tanline Body | 1 | 2.26 | 1.57 |
| Spoons Engages in (Sexual) | 1 | 2.21 | 1.53 |
| High School Student Role | 5 | 0.85 | 1.53 |
| Sundress Clothes | 1 | 2.14 | 1.49 |
| Miniskirt Clothes | 3 | 1.06 | 1.47 |
| Bow Tie Clothes | 1 | 2.04 | 1.42 |
| Butterfly Engages in (Sexual) | 1 | 2.02 | 1.40 |
| Overweight Body | 1 | 1.99 | 1.38 |
| Virgin Sex Engages in (Sexual) | 4 | 0.85 | 1.37 |
| Full Brother Role | 1 | 1.95 | 1.35 |
| Classmate Role | 2 | 1.23 | 1.35 |
| Younger Brother Role | 1 | 1.90 | 1.32 |
| Trousers Clothes | 2 | 1.19 | 1.30 |
| Tall (obsolete) Body | 1 | 1.87 | 1.30 |
| Boobjob Subject of (Sexual) | 1 | 1.86 | 1.29 |
| Sexual Blindfold Subject of (Sexual) | 1 | 1.85 | 1.29 |
| Intercrural Sex Engages in (Sexual) | 1 | 1.84 | 1.28 |
| Sitting Sex Engages in (Sexual) | 1 | 1.82 | 1.26 |
| Waitstaff Role | 1 | 1.81 | 1.26 |
| Lab Coat Clothes | 1 | 1.80 | 1.24 |
| Handjob Subject of (Sexual) | 1 | 1.75 | 1.21 |
| School Uniform Clothes | 4 | 0.75 | 1.21 |
| Deredere Personality | 1 | 1.74 | 1.21 |
| Missionary Engages in (Sexual) | 1 | 1.74 | 1.21 |
| Cowgirl Engages in (Sexual) | 1 | 1.71 | 1.19 |
| Hoodie Clothes | 1 | 1.70 | 1.18 |
| Nipple Sucking Engages in (Sexual) | 1 | 1.70 | 1.18 |
| Boobjob Engages in (Sexual) | 2 | 1.07 | 1.17 |
| Doggy Style Engages in (Sexual) | 1 | 1.68 | 1.17 |
| Sitting Sex Subject of (Sexual) | 2 | 1.06 | 1.17 |
| Rope Bondage Subject of (Sexual) | 1 | 1.67 | 1.16 |
| Spoons Subject of (Sexual) | 1 | 1.67 | 1.15 |
| Small Breasts Body | 1 | 1.66 | 1.15 |
| Teasing Subject of | 1 | 1.65 | 1.14 |
| Green Eyes | 2 | 1.02 | 1.12 |
| Older Sister Role | 1 | 1.56 | 1.08 |
| Jeans Clothes | 1 | 1.55 | 1.08 |
| Vest Clothes | 1 | 1.52 | 1.06 |
| Blowjob Subject of (Sexual) | 1 | 1.52 | 1.05 |
| Medium Breasts Body | 1 | 1.51 | 1.05 |
| Doggy Style Subject of (Sexual) | 2 | 0.92 | 1.02 |
| Teasing Engages in | 1 | 1.44 | 1.00 |
| Teen Body | 4 | 0.62 | 1.00 |
| 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 |
| Black Hair | 2 | 0.80 | 0.88 |
| Friendly Personality | 1 | 1.22 | 0.84 |
| Blowjob Engages in (Sexual) | 2 | 0.76 | 0.84 |
| Red Eyes | 1 | 1.20 | 0.83 |
| Long Hair | 2 | 0.75 | 0.82 |
| Butterfly Subject of (Sexual) | 1 | 1.17 | 0.81 |
| Shirt Clothes | 1 | 1.16 | 0.80 |
| Handjob Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Outdoor Sex Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Big Breasts Body | 1 | 1.13 | 0.78 |
| Missionary Subject of (Sexual) | 1 | 1.12 | 0.77 |
| Short Hair | 2 | 0.61 | 0.67 |
| Cowgirl Subject of (Sexual) | 1 | 0.95 | 0.66 |
| Pale Body | 5 | 0.37 | 0.66 |
| Straight Hair | 1 | 0.94 | 0.65 |
| Slim Body | 2 | 0.58 | 0.63 |
| Brown Eyes | 1 | 0.90 | 0.63 |
| Blue Eyes | 1 | 0.80 | 0.56 |