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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]

Ore no Sefure wa Shojo Bitch!?
Ore no Sefure wa Shojo Bitch!?
NAN%
Tags
  • Otaku Protagonist
  • Gyaru Heroine
  • Otaku Heroine
  • Kissing Scene
  • Few Choices
Rating 6.7714 Users
Chikan Ochi ~Shinri Counselor Meika no Shinryou Kiroku~
Chikan Ochi ~Shinri Counselor Meika no Shinryou Kiroku~
NAN%
Tags
  • Chikan
  • Scientist Heroine
  • Police Officer Heroine
  • Molestation on Public Transport
  • Handcuffed Sex
Rating 6.8526 Users
Chikan Sen
Chikan Sen'you Sharyou ~Kutsujoku no Chikan Densha~
NAN%
Tags
  • Chikan Protagonist
  • Sexual Slavery (Choukyou Variation)
  • Sex in a Vehicle
  • Sexual Corruption
  • Molestation on Public Transport
Rating 6.2835 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
  • Oyakodon
  • Chubby Protagonist
  • Oyakodon Ending
  • Blowjob Duck Face
Rating 6.0826 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 7.2511 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
  • Oyakodon
  • Siscon Protagonist
  • Blood-related Brother/Sister Incest
Rating 6.7427 Users
Chu Shite Agechau ~Oshikake Onee-san no Seikou Chiryou~
Chu Shite Agechau ~Oshikake Onee-san no Seikou Chiryou~
NAN%
Tags
  • Illness
  • Medical Doctor Heroine
  • Triple Blowjob
  • Group Sex of Several Females
  • Footjob
Rating 6.9639 Users
Rin x Sen ~Hakudaku Onna Kyoushi to Yaroudomo~
Rin x Sen ~Hakudaku Onna Kyoushi to Yaroudomo~
NAN%
Tags
  • Clothed Male Naked Female
  • All-boys School
  • Yakuza
  • High Amounts of Rape
  • Teacher Heroine
Rating 7.5229 Users
Mazo x Love
Mazo x Love
NAN%
Tags
  • Comic Convention
  • Comedy Rape
  • Mangaka Protagonist
  • Police Officer Heroine
  • Heroine with Inverted Nipples
Rating 7.5423 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 6.0717 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 6.9778 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 6.1720 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 6.7122 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 5.4133 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 7.0493 Users
Yarisugi Kozoo
Yarisugi Kozoo
NAN%
Tags
  • Straight Shotacon
  • Netori
  • Sex in Front of an Audience
  • Exhibitionism
  • Sex Involving Children
Rating 6.1519 Users
Love Fetish ~Tekoki Hen~
Love Fetish ~Tekoki Hen~
NAN%
Tags
  • Flat Tints Only
  • High Sexual Content
  • Modern Day
  • Perverted Heroine
  • Tsundere Heroine
Rating 6.7723 Users
boin
boin
NAN%
Tags
  • Protagonist's Boss as a Heroine
  • Medical Doctor Heroine
  • Protagonist's Cousin as a Heroine
  • Heroine with Beauty Mark
  • Teacher Protagonist
Rating 7.4551 Users
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 6.4129 Users
Saimin Koukan
Saimin Koukan
NAN%
Tags
  • Incest
  • Blood-related Mother/Daughter Incest
  • Double Dildos
  • Tribadism
  • Group Sex of Multiple Females and Males
Rating 5.5620 Users
Naisho no Yorimichi
Naisho no Yorimichi
NAN%
Tags
  • Pedophile Protagonist
  • Shotacon Protagonist
  • Both Male and Female Love Interests
  • Lolicon Protagonist
  • Shota Hero
Rating 6.9424 Users
In
In'yoku Celeb Tsuma 2 ~Chijoku Seisai~
NAN%
Tags
  • Sexual Slavery
  • Netori
  • Body Piercing
  • Married Heroine
  • Modern Day Japan
Rating 6.8521 Users
Boku no Maman Sagashi ~Mama o Tazunetara... 8nin no Kyonyuu Tsuma Deshita~
Boku no Maman Sagashi ~Mama o Tazunetara... 8nin no Kyonyuu Tsuma Deshita~
NAN%
Tags
  • Only Older Heroines
  • More Than Seven Heroines
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Consensual Group Sex of One Female and Several Males
Rating 6.4831 Users
Tadakano ~Tadashii Kanojo no Tsukurikata~
Tadakano ~Tadashii Kanojo no Tsukurikata~
NAN%
Tags
  • Completely Avoidable Netorare
  • Swinging
  • Few Choices
  • Half-Japanese Heroine
  • Early Sexual Content
Rating 6.6522 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 6.4823 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 6.6921 Users
Ijikuri Mama 2
Ijikuri Mama 2
28%
Tags
  • Shotacon
  • Straight Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Shota Protagonist
  • Blood-related Mother/Son Incest
Rating 5.4133 Users
Iede Kissa ~Anata no Booth de Kasegasete~
Iede Kissa ~Anata no Booth de Kasegasete~
25%
Tags
  • Prostitute Protagonist
  • Runaway Heroine
  • Prostitution
  • Sex Involving Prostitution
  • Cafe
Rating 6.7122 Users
Itazura ~Boku Dake no Zettai Ryouiki~
Itazura ~Boku Dake no Zettai Ryouiki~
25%
Tags
  • Chikan Heroine
  • Hotel
  • Trains
  • Voiced Thoughts
  • Pregnancy Good Ending
Rating 6.1720 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 6.0717 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 6.9778 Users
Rin x Sen ~Hakudaku Onna Kyoushi to Yaroudomo~
Rin x Sen ~Hakudaku Onna Kyoushi to Yaroudomo~
23%
Tags
  • Clothed Male Naked Female
  • All-boys School
  • Yakuza
  • High Amounts of Rape
  • Teacher Heroine
Rating 7.5229 Users
Mazo x Love
Mazo x Love
23%
Tags
  • Comic Convention
  • Comedy Rape
  • Mangaka Protagonist
  • Police Officer Heroine
  • Heroine with Inverted Nipples
Rating 7.5423 Users
Yarisugi Kozoo
Yarisugi Kozoo
23%
Tags
  • Straight Shotacon
  • Netori
  • Sex in Front of an Audience
  • Exhibitionism
  • Sex Involving Children
Rating 6.1519 Users
boin
boin
23%
Tags
  • Protagonist's Boss as a Heroine
  • Medical Doctor Heroine
  • Protagonist's Cousin as a Heroine
  • Heroine with Beauty Mark
  • Teacher Protagonist
Rating 7.4551 Users
Saimin Koukan
Saimin Koukan
23%
Tags
  • Incest
  • Blood-related Mother/Daughter Incest
  • Double Dildos
  • Tribadism
  • Group Sex of Multiple Females and Males
Rating 5.5620 Users
In
In'yoku Celeb Tsuma 2 ~Chijoku Seisai~
23%
Tags
  • Sexual Slavery
  • Netori
  • Body Piercing
  • Married Heroine
  • Modern Day Japan
Rating 6.8521 Users
Tadakano ~Tadashii Kanojo no Tsukurikata~
Tadakano ~Tadashii Kanojo no Tsukurikata~
23%
Tags
  • Completely Avoidable Netorare
  • Swinging
  • Few Choices
  • Half-Japanese Heroine
  • Early Sexual Content
Rating 6.6522 Users
Oshirikko Venus 2
Oshirikko Venus 2
22%
Tags
  • Non-penetrative Sex
  • Big Ass Heroine
  • Perverted Protagonist
  • Twin Footjob
  • Sex on a Roof
Rating 7.2533 Users
Inbo Rannyuu Soukan ~Boku no Seishi de, Mama o Ippai ni Shiteageru~
Inbo Rannyuu Soukan ~Boku no Seishi de, Mama o Ippai ni Shiteageru~
22%
Tags
  • Protagonist's Son as a Hero
  • Pornography
  • Protagonist with Big Breasts
  • Only Blood-related Heroines
  • Modern Day Japan
Rating 5.9141 Users
Okaa-san ni Hassha!
Okaa-san ni Hassha!
22%
Tags
  • Rape by Shota
  • Protagonist's Blood-related Mother as a Heroine
  • Mother/Son Incest
  • Flat Tints Only
  • Only Blood-related Heroines
Rating 5.3424 Users
Toraba!
Toraba!
22%
Tags
  • Romancing a Family
  • Swimming Club
  • Class President Heroine
  • Foolish Friend
  • Oyakodon Ending
Rating 6.8824 Users
Mothercon Tengoku ~Doukyuusei no Hahaoya-tachi o Kyokon de Boku Dake no Hara Mama ni!~
Mothercon Tengoku ~Doukyuusei no Hahaoya-tachi o Kyokon de Boku Dake no Hara Mama ni!~
22%
Tags
  • Heroine with Children
  • Protagonist with Phimosis
  • Protagonist with Glasses
  • Only Adult Heroines
  • Single Ending
Rating 6.1540 Users
Imouto Dakara Dekiru Koto, Imouto Janai to Dame na Koto.
Imouto Dakara Dekiru Koto, Imouto Janai to Dame na Koto.
22%
Tags
  • Siscon Protagonist
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
  • Love Triangle
  • Nude Filter
Rating 6.5635 Users
Irekawa Onee-chan, Boku no Karada de Onani Shichau no!?
Irekawa Onee-chan, Boku no Karada de Onani Shichau no!?
21%
Tags
  • Body Swapping
  • Genderbent Sex
  • Non-blood-related Brother/Sister Incest
  • Incest
  • Protagonist's Sister as a Heroine
Rating 6.5534 Users
Ossan Kyoushi no Joshikousei Tsuma ga Yarichin Danshi ni Netorareru Hanashi
Ossan Kyoushi no Joshikousei Tsuma ga Yarichin Danshi ni Netorareru Hanashi
21%
Tags
  • Pregnancy
  • Netorare
  • Clothed Female Naked Male
  • Impregnation
  • Netorare Type B
Rating 6.7339 Users
Mama, Onani Suru Kurai Nara Boku ga Shite Ageru yo!
Mama, Onani Suru Kurai Nara Boku ga Shite Ageru yo!
21%
Tags
  • Armbinder
  • Heroine with Catsuit
  • Sexual Slavery (Consensual)
  • Protagonist's Blood-related Mother as a Heroine
  • Sexual Roleplay
Rating 5.8342 Users
Ijikuri Mama
Ijikuri Mama
21%
Tags
  • Fake Choices
  • Shotacon
  • Disabled Protagonist
  • Blood-related Mother/Son Incest
  • Straight Shotacon
Rating 5.7739 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 in12.571.78
Bondage Sex Subject of (Sexual)21.581.74
Sexual Harassment Engages in12.451.70
Turndown Subject of12.391.66
Sailor School Uniform Clothes21.471.62
Vaginal + Anal Penetration Subject of (Sexual)12.291.59
Twin Blowjob Engages in (Sexual)21.451.59
Polo Shirt Clothes12.291.59
Netori (steals the SO) Engages in12.181.51
Tominagi Subject of (Sexual)21.361.49
Hidden Vibrator Subject of (Sexual)12.121.47
Trousers Clothes21.191.30
Timid Personality11.861.29
Group Sex of One Male and Several Females Engages in (Sexual)21.171.29
Rape Engages in (Sexual)11.811.26
Lab Coat Clothes11.791.24
Quickie Fix Subject of (Sexual)21.081.19
Vaginal Fingering Subject of (Sexual)21.081.18
High School Student Role30.851.18
Hoodie Clothes11.701.18
Group Sex of One Female and Several Males Engages in (Sexual)11.701.18
Nipple Sucking Engages in (Sexual)11.701.18
Double Penetration (Group Sex) Subject of (Sexual)11.651.14
Pervert Personality11.631.13
Senpai Role11.611.12
Nipple Teasing Subject of (Sexual)11.571.09
Rape Subject of (Sexual)11.571.09
Teacher Role11.561.08
Cunnilingus Engages in (Sexual)11.551.07
Sex at School Engages in (Sexual)11.551.07
Girlfriend Role11.531.06
Incest Engages in (Sexual)11.471.02
Pissing Engages in (Sexual)11.471.02
Younger Sister Role11.451.00
Black Eyes11.420.98
Cooking Engages in11.420.98
Hairpin Clothes11.400.97
Masturbation Engages in (Sexual)11.400.97
Bathroom Sex Engages in (Sexual)11.390.96
Knee-high Socks Clothes11.380.96
Nipple Sucking Subject of (Sexual)11.380.96
Virgin Sex Engages in (Sexual)20.850.94
Bukkake Subject of (Sexual)11.350.94
T-shirt Clothes11.310.91
Black Hair20.810.89
School Uniform Clothes20.760.83
Anal Sex Subject of (Sexual)11.190.82
Standing Sex Subject of (Sexual)11.180.81
Butterfly Subject of (Sexual)11.170.81
Cunnilingus Subject of (Sexual)11.160.81
Shirt Clothes11.160.80
Handjob Engages in (Sexual)11.160.80
Missionary Subject of (Sexual)11.120.77
Brown Hair20.680.75
Glasses Clothes11.080.75
Boobjob Engages in (Sexual)11.070.74
Sitting Sex Subject of (Sexual)11.060.74
Thigh-high Stockings Clothes11.040.72
Amber Eyes11.030.72
Green Eyes11.020.71
Short Hair20.610.67
Cowgirl Subject of (Sexual)10.950.66
Doggy Style Subject of (Sexual)10.920.64
Shoulder-length Hair10.920.64
Brown Eyes10.900.62
Blowjob Engages in (Sexual)10.760.53
Long Hair10.750.52