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Summary

The main character has a younger sister, Sanami. She is pretty and he secretly loves her.... He keeps it secret and they live a peaceful life. But it is about to be destroyed when his friend tells Sanami that he loves her.... The main character decides to take action not to lose Sanami.... [From ErogeShop]

Tokonatsu no Haramase Hitozuma Island e Youkoso! ~Ero Muchi Gibo-tachi 4nin to Mujintou Tanezuke Vacance!~
Tokonatsu no Haramase Hitozuma Island e Youkoso! ~Ero Muchi Gibo-tachi 4nin to Mujintou Tanezuke Vacance!~
NAN%
Tags
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Aunt/Nephew Incest
Rating 6.4128 Users
Mei Shoujo
Mei Shoujo
NAN%
Tags
  • Otaku Protagonist
  • Inbreeding
  • Sex Involving Children
  • Blood-related Uncle/Niece Incest
  • Protagonist's Niece as a Heroine
Rating 7.0790 Users
Swindle
Swindle
NAN%
Tags
  • Blind Heroine
  • Rape by Deception
  • Gauge Display
  • Hospital
  • Armpit Licking
Rating 7.0920 Users
Manbiki Musume Momoiro Seisai - Manbiki Shita Imouto ni Kichiku Oshioki!!
Manbiki Musume Momoiro Seisai - Manbiki Shita Imouto ni Kichiku Oshioki!!
NAN%
Tags
  • Only Protagonist's Relatives as Heroine(s)
  • Protagonist's Full Sister as a Heroine
  • Brother/Sister Incest
  • Oyakodon
  • Siscon Protagonist
Rating 6.6426 Users
♥ri no Natsuyasumi ~Oji-san Kansatsu Nikki~
♥ri no Natsuyasumi ~Oji-san Kansatsu Nikki~
NAN%
Tags
  • Mesugaki Heroine
  • Heroine with Tan Lines
  • Countryside
  • Uncle/Niece Incest
  • Sex Involving Children
Rating 6.5840 Users
Yowami o Nigitte Hitozuma to Sono Musume o Pakottemita.
Yowami o Nigitte Hitozuma to Sono Musume o Pakottemita.
NAN%
Tags
  • Protagonist's Employee as a Heroine
  • Chubby Protagonist
  • Oyakodon
  • Oyakodon Ending
  • Blowjob Duck Face
Rating 6.0825 Users
Netorare Nurse Osananajimi Yume Chijoku Shojo Soushitsu Hen
Netorare Nurse Osananajimi Yume Chijoku Shojo Soushitsu Hen
NAN%
Tags
  • Impotent Protagonist
  • Medical Doctor Protagonist
  • Netorare Type B
  • Nurse Heroine
  • Hospital
Rating 7.2611 Users
Imouto Dakara Dekiru Koto, Imouto Janai to Dame na Koto.
Imouto Dakara Dekiru Koto, Imouto Janai to Dame na Koto.
NAN%
Tags
  • Jealousy
  • Nude Filter
  • Incest
  • Heroine with Sport Bloomers
  • Sex with Sleepers
Rating 6.6035 Users
Ossan Kyoushi no Joshikousei Tsuma ga Yarichin Danshi ni Netorareru Hanashi
Ossan Kyoushi no Joshikousei Tsuma ga Yarichin Danshi ni Netorareru Hanashi
NAN%
Tags
  • Netorare
  • Pregnancy
  • Clothed Female Naked Male
  • Netorare Type B
  • Impregnation
Rating 6.7037 Users
Irekawa Onee-chan, Boku no Karada de Onani Shichau no!?
Irekawa Onee-chan, Boku no Karada de Onani Shichau no!?
NAN%
Tags
  • Body Swapping
  • Genderbent Sex
  • Non-blood-related Brother/Sister Incest
  • Incest
  • Protagonist's Sister as a Heroine
Rating 6.6133 Users
Ijikuri Mama 2
Ijikuri Mama 2
NAN%
Tags
  • Shotacon
  • Straight Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Shota Protagonist
  • Blood-related Mother/Son Incest
Rating 5.4732 Users
Itazura ~Boku Dake no Zettai Ryouiki~
Itazura ~Boku Dake no Zettai Ryouiki~
NAN%
Tags
  • Chikan Heroine
  • Hotel
  • Trains
  • Voiced Thoughts
  • Pregnancy Good Ending
Rating 6.1820 Users
Saimin Koukan
Saimin Koukan
NAN%
Tags
  • Incest
  • Blood-related Mother/Daughter Incest
  • Double Dildos
  • Tribadism
  • Group Sex of Multiple Females and Males
Rating 5.6520 Users
Tadakano ~Tadashii Kanojo no Tsukurikata~
Tadakano ~Tadashii Kanojo no Tsukurikata~
NAN%
Tags
  • Completely Avoidable Netorare
  • Swinging
  • Half-Japanese Heroine
  • Early Sexual Content
  • Mutual Masturbation
Rating 6.7021 Users
Wedding Blue
Wedding Blue
NAN%
Tags
  • Avoidable Netorare (obsolete)
  • In-law Incest
  • Protagonist's Fiancee as a Heroine
  • Dramatic Love Triangle
  • Only One Good Ending
Rating 6.8838 Users
Seikyouiku ~Monster Parent no Rifujin na Youkyuu~
Seikyouiku ~Monster Parent no Rifujin na Youkyuu~
NAN%
Tags
  • Rape by Shota
  • Reverse Netorare
  • Teacher Protagonist
  • Chikan
  • Heroine with Inverted Nipples
Rating 6.0817 Users
Ojou-sama wa Katai no ga Osuki! ~Shinsei Naru Joshi Ryou Nikki~
Ojou-sama wa Katai no ga Osuki! ~Shinsei Naru Joshi Ryou Nikki~
NAN%
Tags
  • Cook Protagonist
  • Gymnastic Heroine
  • Hotblooded Protagonist
  • Impregnation Choice
  • Artist Heroine
Rating 6.9541 Users
Nee-chan, Gomen Dashichatta! ~Onee-chan wa Boku Sen
Nee-chan, Gomen Dashichatta! ~Onee-chan wa Boku Sen'you~
NAN%
Tags
  • Incest Romance
  • Forbidden Love
  • Dirty Talk
  • Siscon Protagonist
  • Non-twin Heroine Sisters
Rating 7.0178 Users
My Dream! ~Uchi no Imouto wa xx ni Naritai Rashii~
My Dream! ~Uchi no Imouto wa xx ni Naritai Rashii~
NAN%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Siscon Protagonist
  • Unlockable Harem Ending
  • Threesome Ending
  • French Kiss
Rating 7.0236 Users
Iede Kissa ~Anata no Booth de Kasegasete~
Iede Kissa ~Anata no Booth de Kasegasete~
NAN%
Tags
  • Prostitute Protagonist
  • Runaway Heroine
  • Prostitution
  • Sex Involving Prostitution
  • Cafe
Rating 6.6520 Users
Kishi x Kano
Kishi x Kano
NAN%
Tags
  • Knight Heroine
  • Defloration During Common Route
  • Indecisive Protagonist
  • Tournament
  • Knight Protagonist
Rating 7.1420 Users
Okaa-san ni Hassha!
Okaa-san ni Hassha!
NAN%
Tags
  • Rape by Shota
  • Mother/Son Incest
  • Flat Tints Only
  • Shotacon
  • Sex Involving Prostitution
Rating 5.4122 Users
Hitozuma no Ana ~Ano Ko wa Koko kara Umaretekita no yo~
Hitozuma no Ana ~Ano Ko wa Koko kara Umaretekita no yo~
NAN%
Tags
  • Nursery School
  • Netori
  • Married Heroine
  • Heroine with Pubic Hair
  • Teacher Protagonist
Rating 6.5032 Users
In
In'yoku Celeb Tsuma 2 ~Chijoku Seisai~
NAN%
Tags
  • Sexual Slavery
  • Netori
  • Body Piercing
  • Married Heroine
  • Modern Day Japan
Rating 6.8621 Users
Ore to Imouto no Kounai Play 2 ~Imouto wa Ore ga Otosu~
Ore to Imouto no Kounai Play 2 ~Imouto wa Ore ga Otosu~
50%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Brother/Sister Romance
  • Consensual Phone Sex
  • Completely Avoidable Netorare
  • Blood-related Brother/Sister Incest
Rating 6.4923 Users
Shindan no Kekka, Sore wa Koi no Yamai Desu
Shindan no Kekka, Sore wa Koi no Yamai Desu
28%
Tags
  • Medical Doctor Heroine
  • Genre Savvy Protagonist
  • Protagonist's Non-blood-related Sister as a Heroine
  • Nurse Heroine
  • Spring
Rating 6.6722 Users
Tadakano ~Tadashii Kanojo no Tsukurikata~
Tadakano ~Tadashii Kanojo no Tsukurikata~
28%
Tags
  • Completely Avoidable Netorare
  • Swinging
  • Half-Japanese Heroine
  • Early Sexual Content
  • Mutual Masturbation
Rating 6.7021 Users
Saimin Koukan
Saimin Koukan
26%
Tags
  • Incest
  • Blood-related Mother/Daughter Incest
  • Double Dildos
  • Tribadism
  • Group Sex of Multiple Females and Males
Rating 5.6520 Users
Itazura ~Boku Dake no Zettai Ryouiki~
Itazura ~Boku Dake no Zettai Ryouiki~
26%
Tags
  • Chikan Heroine
  • Hotel
  • Trains
  • Voiced Thoughts
  • Pregnancy Good Ending
Rating 6.1820 Users
Irekawa Onee-chan, Boku no Karada de Onani Shichau no!?
Irekawa Onee-chan, Boku no Karada de Onani Shichau no!?
26%
Tags
  • Body Swapping
  • Genderbent Sex
  • Non-blood-related Brother/Sister Incest
  • Incest
  • Protagonist's Sister as a Heroine
Rating 6.6133 Users
Ijikuri Mama 2
Ijikuri Mama 2
25%
Tags
  • Shotacon
  • Straight Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Shota Protagonist
  • Blood-related Mother/Son Incest
Rating 5.4732 Users
Imouto Dakara Dekiru Koto, Imouto Janai to Dame na Koto.
Imouto Dakara Dekiru Koto, Imouto Janai to Dame na Koto.
25%
Tags
  • Jealousy
  • Nude Filter
  • Incest
  • Heroine with Sport Bloomers
  • Sex with Sleepers
Rating 6.6035 Users
Ossan Kyoushi no Joshikousei Tsuma ga Yarichin Danshi ni Netorareru Hanashi
Ossan Kyoushi no Joshikousei Tsuma ga Yarichin Danshi ni Netorareru Hanashi
24%
Tags
  • Netorare
  • Pregnancy
  • Clothed Female Naked Male
  • Netorare Type B
  • Impregnation
Rating 6.7037 Users
Seikyouiku ~Monster Parent no Rifujin na Youkyuu~
Seikyouiku ~Monster Parent no Rifujin na Youkyuu~
24%
Tags
  • Rape by Shota
  • Reverse Netorare
  • Teacher Protagonist
  • Chikan
  • Heroine with Inverted Nipples
Rating 6.0817 Users
Nee-chan, Gomen Dashichatta! ~Onee-chan wa Boku Sen
Nee-chan, Gomen Dashichatta! ~Onee-chan wa Boku Sen'you~
24%
Tags
  • Incest Romance
  • Forbidden Love
  • Dirty Talk
  • Siscon Protagonist
  • Non-twin Heroine Sisters
Rating 7.0178 Users
Iede Kissa ~Anata no Booth de Kasegasete~
Iede Kissa ~Anata no Booth de Kasegasete~
23%
Tags
  • Prostitute Protagonist
  • Runaway Heroine
  • Prostitution
  • Sex Involving Prostitution
  • Cafe
Rating 6.6520 Users
Okaa-san ni Hassha!
Okaa-san ni Hassha!
23%
Tags
  • Rape by Shota
  • Mother/Son Incest
  • Flat Tints Only
  • Shotacon
  • Sex Involving Prostitution
Rating 5.4122 Users
In
In'yoku Celeb Tsuma 2 ~Chijoku Seisai~
23%
Tags
  • Sexual Slavery
  • Netori
  • Body Piercing
  • Married Heroine
  • Modern Day Japan
Rating 6.8621 Users
Oshirikko Venus 2
Oshirikko Venus 2
22%
Tags
  • Non-penetrative Sex
  • Big Ass Heroine
  • Perverted Protagonist
  • Twin Footjob
  • Sex on a Roof
Rating 7.2332 Users
Ijikuri Mama
Ijikuri Mama
22%
Tags
  • Fake Choices
  • Shotacon
  • Disabled Protagonist
  • Blood-related Mother/Son Incest
  • Straight Shotacon
Rating 5.7638 Users
Ijikuri Mama 3
Ijikuri Mama 3
22%
Tags
  • Unavoidable Harem Ending
  • Heroine with Tan Lines
  • Shotacon
  • Inbreeding
  • Protagonist's Blood-related Mother as a Heroine
Rating 5.7625 Users
Mazo x Love
Mazo x Love
21%
Tags
  • Comic Convention
  • Comedy Rape
  • Mangaka Protagonist
  • Police Officer Heroine
  • Heroine with Inverted Nipples
Rating 7.5321 Users
Mebae
Mebae
21%
Tags
  • Protagonist with Phimosis
  • Perverted Protagonist
  • Inbreeding
  • School Sports Club Member Heroine
  • Condoms
Rating 7.2783 Users
Soul Foundation+
Soul Foundation+
21%
Tags
  • Gundam
  • Flat Tints Only
  • Blowjob Duck Face
  • Heroine with Huge Breasts
  • Fan-fiction
Rating 6.8320 Users
Stopping!!! 6 Itoshi no Taisougi Hen
Stopping!!! 6 Itoshi no Taisougi Hen
21%
Tags
  • Time Stop
  • Chubby Protagonist
  • Ugly Protagonist
  • Unavoidable Rape
  • Rapist Protagonist
Rating 5.9322 Users
Uwaki Tsuma ~Kyonyuu Hitozuma Midare Manshon~
Uwaki Tsuma ~Kyonyuu Hitozuma Midare Manshon~
21%
Tags
  • Shimaidon
  • Non-twin Heroine Sisters
  • Homemaker Protagonist
  • Protagonist in Relationship
  • Married Heroine
Rating 6.4723 Users
Chikan Ochi ~Shinri Counselor Meika no Shinryou Kiroku~
Chikan Ochi ~Shinri Counselor Meika no Shinryou Kiroku~
21%
Tags
  • Chikan
  • Scientist Heroine
  • Police Officer Heroine
  • Molestation on Public Transport
  • Handcuffed Sex
Rating 6.8025 Users
Demiparadoxia ∞ Hookerstic - Nanka Hen
Demiparadoxia ∞ Hookerstic - Nanka Hen
21%
Tags
  • Prostitute Heroine
  • Pubic Hair Option
  • Hotel
  • Customization
  • Sex Involving Prostitution
Rating 6.2326 Users

Ore to Imouto no Kounai Play ~Imouto wa Dare ni mo Watasanai~ 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 (68 total)

NameCharactersImportanceWeight
Sexual Harassment Subject of22.222.44
Turndown Engages in12.591.79
Bondage Sex Subject of (Sexual)21.571.72
Sexual Harassment Engages in12.451.70
Turndown Subject of12.401.66
Sailor School Uniform Clothes21.481.62
Vaginal + Anal Penetration Subject of (Sexual)12.331.61
Polo Shirt Clothes12.301.59
Twin Blowjob Engages in (Sexual)21.441.59
Netori (steals the SO) Engages in12.181.51
Tominagi Subject of (Sexual)21.361.49
Hidden Vibrator Subject of (Sexual)12.121.47
Trousers Clothes21.201.32
Group Sex of One Male and Several Females Engages in (Sexual)21.181.30
Timid Personality11.861.29
Rape Engages in (Sexual)11.811.26
Lab Coat Clothes11.791.24
Hoodie Clothes11.711.19
Group Sex of One Female and Several Males Engages in (Sexual)11.711.18
Nipple Sucking Engages in (Sexual)11.711.18
Quickie Fix Subject of (Sexual)21.081.18
Vaginal Fingering Subject of (Sexual)21.081.18
High School Student Role30.851.17
Double Penetration (Group Sex) Subject of (Sexual)11.641.14
Pervert Personality11.641.14
Senpai Role11.611.11
Sex in Classroom Engages in (Sexual)11.601.11
Nipple Teasing Subject of (Sexual)11.581.10
Rape Subject of (Sexual)11.561.08
Cunnilingus Engages in (Sexual)11.561.08
Teacher Role11.551.07
Girlfriend Role11.541.07
Incest Engages in (Sexual)11.471.02
Pissing Engages in (Sexual)11.461.01
Younger Sister Role11.441.00
Black Eyes11.420.99
Cooking Engages in11.410.98
Hairpin Clothes11.400.97
Bathroom Sex Engages in (Sexual)11.390.96
Nipple Sucking Subject of (Sexual)11.380.96
Masturbation Engages in (Sexual)11.380.96
Knee-high Socks Clothes11.370.95
Bukkake Subject of (Sexual)11.340.93
Virgin Sex Engages in (Sexual)20.850.93
T-shirt Clothes11.320.91
Black Hair20.810.89
Anal Sex Subject of (Sexual)11.190.82
School Uniform Clothes20.740.82
Standing Sex Subject of (Sexual)11.170.81
Butterfly Subject of (Sexual)11.170.81
Cunnilingus Subject of (Sexual)11.170.81
Handjob Engages in (Sexual)11.160.80
Shirt Clothes11.160.80
Missionary Subject of (Sexual)11.110.77
Glasses Clothes11.080.75
Brown Hair20.680.75
Boobjob Engages in (Sexual)11.060.74
Sitting Sex Subject of (Sexual)11.060.73
Thigh-high Stockings Clothes11.040.72
Amber Eyes11.030.71
Green Eyes11.010.70
Short Hair20.610.67
Cowgirl Subject of (Sexual)10.950.66
Doggy Style Subject of (Sexual)10.920.64
Shoulder-length Hair10.920.63
Brown Eyes10.900.63
Blowjob Engages in (Sexual)10.760.53
Long Hair10.750.52