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Summary

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!]

Happy Sister Utopia! has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
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Happy Sister Utopia! has not yet been read by enough users to calculate it's similar novels... sorry!
A novel needs atleast 20 votes before it's similarity is calculated.

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.

Traits (55 total)

NameCharactersImportanceWeight
Inventor Role12.882.00
Hair Ribbon Clothes21.771.95
Kemonomimi Hat Clothes12.601.80
Mini Hat Clothes12.591.79
Barefoot Clothes12.541.76
Sister Complex Personality12.371.65
Incest Engages in (Sexual)21.471.62
Shrug Clothes12.301.59
Younger Sister Role21.441.58
Hairpin Clothes21.391.53
Non-blood-related Sister Role12.181.51
Non-blood-related Incest Engages in (Sexual)12.171.50
Crown Clothes12.151.49
Mary Jane Clothes12.131.47
Sundress Clothes12.131.47
Ankle Length Hair12.101.45
Deity Role12.081.44
Old Type School Swimsuit Clothes12.081.44
Optimist Personality12.041.41
Genius Personality11.991.38
Fang Body11.881.30
String Ribbon Tie Clothes11.811.26
Hidden Eyes11.811.25
Lab Coat Clothes11.791.24
Pajamas Clothes11.741.21
Sports Shoes Clothes11.731.20
Tareme Eyes21.091.20
Older Brother Role11.721.20
Stoic Personality11.701.18
Intake Hair11.661.15
Relaxed Personality11.651.14
Thigh-high Stockings Clothes21.031.13
Pink Eyes11.611.12
Full Sister Role11.571.09
Straight Hair20.961.05
Student Role11.481.03
Blouse Clothes11.481.03
Big Breast Sizes Body11.471.02
Teen Body40.610.98
V Bangs Hair11.420.98
Pleated Skirt Clothes11.420.98
White Hair11.340.93
Pink Hair11.320.92
T-shirt Clothes11.320.91
Ribbon Tie Clothes11.240.86
Violet Eyes11.040.72
Green Eyes11.010.70
Sidehair Hair10.970.68
Shoulder-length Hair10.910.63
Pale Body40.370.60
Black Hair10.810.56
Waist Length+ Hair10.800.55
Brown Hair10.680.47
Short Hair10.610.42
Slim Body10.570.40