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Summary

Hirosaka Kouta lives together with her younger sister, Kaede, due to their parents' jobs. He is an honor student with excellent grades at school. However, he is a severe siscon and loves Kaede from the bottom of his heart. One day, He accidentally drops his phone in a plant when coming home from school. When he tries to pick it up, he gets bited by an unknown being, presumably an insect. However, the wound soon disappears as if nothing had happened. When he gets home, his arms suddenly become tentacles and he rapes his sister involuntarily! They also find out that his arms gets back to normal after he had sex with her. As a result, Kaede offers to 'help' him whenever his arms turn into tentacles. What will happen to their life after this? [Based on the official website's description]

Jain no Ikenie Gaiden - Siscon Aniki, Imouto ga Suki Sugite Shokushu ni Natte Shimau 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.

Jain no Ikenie Gaiden - Siscon Aniki, Imouto ga Suki Sugite Shokushu ni Natte Shimau 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.

Jain no Ikenie Gaiden - Siscon Aniki, Imouto ga Suki Sugite Shokushu ni Natte Shimau 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.

Tags (22 total)

NameScoreImportanceWeight
Symbiote / Parasite2.002.635.27
Wet and Messy2.002.414.82
Tentacle Blowjob2.002.344.67
Only Blood-related Heroines2.002.084.17
Siscon Protagonist2.002.054.10
Only Protagonist's Sisters as Heroine(s)2.001.993.98
Only Younger Heroines2.001.943.88
Consensual Sex Involving Tentacles2.001.933.86
Modern Tsundere Heroine2.001.763.51
Excessive Semen2.001.653.31
Brocon Heroine2.001.613.22
Background Moans2.001.442.88
Tsundere Heroine2.001.402.80
Tentacle Rape2.001.372.73
Bukkake2.001.202.41
Pregnant Sex2.001.182.36
Sex with Protagonist Only2.001.132.26
Only Virgin Heroines2.001.082.17
Naked Sprites2.001.052.11
Only a Single Heroine2.001.012.03
High School Student Heroine2.000.851.69
Male Protagonist2.000.300.60

Traits (59 total)

NameCharactersImportanceWeight
Traditional Bloomers Clothes13.072.13
Tentacle Rape Engages in (Sexual)12.731.89
Sports Jersey Clothes12.731.89
School Athletic Club Member Role12.621.82
Tentacle Body12.601.80
Consensual Sex with Tentacles Engages in (Sexual)12.571.78
Modern Tsundere Personality12.421.68
Sister Complex Personality12.381.65
Student Council Member Role12.371.64
Incest Engages in (Sexual)21.471.61
Athletics Engages in12.251.56
Cooking Engages in21.421.56
Spats Clothes12.201.53
Tenth Grader Role12.191.51
Old Type School Swimsuit Clothes12.091.45
Honor Student Role12.091.45
T-shirt Clothes21.311.44
Brother Complex Personality12.061.43
Ankle Socks Clothes12.011.40
Full Brother Role11.951.35
Eleventh Grader Role11.891.31
Outdoor Sex Engages in (Sexual)21.161.27
Hidden Eyes11.801.25
Nameable Role11.781.24
Non-consensual Sex with Tentacles Engages in (Sexual)11.781.24
Pajamas Clothes11.751.21
Side Tail Hair11.751.21
Cheerful Personality11.741.20
Older Brother Role11.731.20
Sports Shoes Clothes11.721.19
Sport Bloomers Clothes11.721.19
Loafers Clothes11.711.19
Sex with Protagonist Only Engages in (Sexual)11.671.16
Kind Personality21.031.13
Ore Personality11.581.09
Full Sister Role11.561.08
Medium Breasts Body11.511.05
Orange Hair11.511.05
Straight Hair20.941.04
Serious Personality11.491.03
Sailor School Uniform Clothes11.471.02
Younger Sister Role11.451.00
V Bangs Hair11.410.98
Hair Tie Clothes11.410.98
Hairpin Clothes11.400.97
Knee-high Socks Clothes11.380.96
Tsurime Eyes11.380.96
Virgin Sex Engages in (Sexual)20.850.94
Watashi Personality11.250.87
Shirt Clothes11.160.80
Miniskirt Clothes11.060.74
Green Eyes11.020.71
Teen Body20.620.68
Sidehair Hair10.980.68
Shoulder-length Hair10.920.64
Slim Body20.580.63
Brown Hair10.680.47
Short Hair10.610.42
Pale Body20.370.40