This is doujin circle initial’s debut work. The ultra-siscon Haruto was brought to a new world with his two imoutos Yuno and Chika. A sukumizu-clad girl who called herself ‘Kami-sama’ had brought them to Sistopia and bestowed an icharabu gauge on Haruto to grant his wish. He found it awfully bizarre, but after living in Sistopia for a bit, he found that it was a relatively normal place, except that the only ones in this world were him and his imoutos. There’s a sole purpose to this world: icharabu with imoutos! [From Hau~ Omochikaeri!]
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Happy Sister Utopia! 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 | Score | Importance | Weight |
|---|---|---|---|
| Incest | 3.00 | 2.11 | 6.33 |
| Inventor Heroine | 2.00 | 2.87 | 5.74 |
| Emotionless Heroine | 2.00 | 2.17 | 4.34 |
| Heroine with a Fang | 2.00 | 2.06 | 4.12 |
| Goddess Heroine | 2.00 | 2.06 | 4.12 |
| Siscon Protagonist | 2.00 | 2.05 | 4.11 |
| Protagonist as the Only Male | 2.00 | 1.99 | 3.99 |
| Protagonist's Blood-related Sister as a Heroine | 2.00 | 1.94 | 3.89 |
| Genius Heroine | 2.00 | 1.77 | 3.53 |
| Non-blood-related Brother/Sister Incest | 2.00 | 1.77 | 3.53 |
| Lolicon | 2.00 | 1.73 | 3.46 |
| Heroine with Swimsuits | 2.00 | 1.64 | 3.29 |
| Blood-related Brother/Sister Incest | 2.00 | 1.49 | 2.97 |
| Loli Heroine | 2.00 | 1.19 | 2.38 |
| Sex with Protagonist Only | 2.00 | 1.13 | 2.26 |
| Protagonist's Sister as a Heroine | 1.00 | 2.09 | 2.09 |
| Group Sex of One Male and Several Females | 1.00 | 0.92 | 0.92 |
| ADV | 2.00 | 0.15 | 0.29 |
| Male Protagonist | 0.33 | 0.30 | 0.10 |
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Inventor Role | 1 | 2.87 | 1.99 |
| Hair Ribbon Clothes | 2 | 1.79 | 1.97 |
| Kemonomimi Hat Clothes | 1 | 2.62 | 1.81 |
| Mini Hat Clothes | 1 | 2.60 | 1.80 |
| Barefoot Clothes | 1 | 2.47 | 1.71 |
| Sister Complex Personality | 1 | 2.38 | 1.65 |
| Incest Engages in (Sexual) | 2 | 1.47 | 1.61 |
| Shrug Clothes | 1 | 2.29 | 1.59 |
| Younger Sister Role | 2 | 1.44 | 1.59 |
| Hairpin Clothes | 2 | 1.40 | 1.54 |
| Non-blood-related Sister Role | 1 | 2.17 | 1.50 |
| Crown Clothes | 1 | 2.16 | 1.50 |
| Non-blood-related Incest Engages in (Sexual) | 1 | 2.16 | 1.49 |
| Sundress Clothes | 1 | 2.14 | 1.48 |
| Mary Jane Clothes | 1 | 2.12 | 1.47 |
| Ankle Length Hair | 1 | 2.12 | 1.47 |
| Old Type School Swimsuit Clothes | 1 | 2.09 | 1.45 |
| Deity Role | 1 | 2.07 | 1.44 |
| Optimist Personality | 1 | 2.03 | 1.41 |
| Genius Personality | 1 | 1.99 | 1.38 |
| Fang Body | 1 | 1.88 | 1.30 |
| String Ribbon Tie Clothes | 1 | 1.82 | 1.26 |
| Hidden Eyes | 1 | 1.81 | 1.25 |
| Lab Coat Clothes | 1 | 1.80 | 1.25 |
| Pajamas Clothes | 1 | 1.75 | 1.21 |
| Tareme Eyes | 2 | 1.10 | 1.21 |
| Older Brother Role | 1 | 1.73 | 1.20 |
| Sports Shoes Clothes | 1 | 1.72 | 1.20 |
| Stoic Personality | 1 | 1.70 | 1.18 |
| Intake Hair | 1 | 1.67 | 1.16 |
| Thigh-high Stockings Clothes | 2 | 1.04 | 1.14 |
| Relaxed Personality | 1 | 1.64 | 1.13 |
| Pink Eyes | 1 | 1.62 | 1.12 |
| Full Sister Role | 1 | 1.57 | 1.09 |
| Big Breast Sizes Body | 1 | 1.54 | 1.07 |
| Straight Hair | 2 | 0.95 | 1.04 |
| Student Role | 1 | 1.49 | 1.03 |
| Blouse Clothes | 1 | 1.47 | 1.02 |
| Teen Body | 4 | 0.62 | 1.00 |
| V Bangs Hair | 1 | 1.41 | 0.98 |
| Pleated Skirt Clothes | 1 | 1.40 | 0.97 |
| White Hair | 1 | 1.33 | 0.92 |
| Pink Hair | 1 | 1.33 | 0.92 |
| T-shirt Clothes | 1 | 1.31 | 0.91 |
| Ribbon Tie Clothes | 1 | 1.25 | 0.87 |
| Violet Eyes | 1 | 1.04 | 0.72 |
| Green Eyes | 1 | 1.02 | 0.70 |
| Sidehair Hair | 1 | 0.98 | 0.68 |
| Shoulder-length Hair | 1 | 0.92 | 0.64 |
| Pale Body | 4 | 0.37 | 0.60 |
| Waist Length+ Hair | 1 | 0.81 | 0.56 |
| Black Hair | 1 | 0.81 | 0.56 |
| Brown Hair | 1 | 0.68 | 0.47 |
| Short Hair | 1 | 0.61 | 0.42 |
| Slim Body | 1 | 0.58 | 0.40 |