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Summary

Kouichirou, angry at his sister for always being angry at him finally rapes her. He records the event to blackmail her into silence. When she tries to go to their mother for help he rapes her too.

Tsuma ni Naisho no JK Anal Choukyou ~Imouto ni Shiriana no Yosa o Oshieru Gikei~
Tsuma ni Naisho no JK Anal Choukyou ~Imouto ni Shiriana no Yosa o Oshieru Gikei~
NAN%
Tags
  • Anal Fisting
  • Anal Penetration
  • Ojousama Heroine
  • Anal Toys
  • Reverse Cowgirl
Rating 6.2625 Users
Aniyome Oyako
Aniyome Oyako
NAN%
Tags
  • Masturbation Involving Food
  • Romancing a Family
  • In-law Incest
  • Body Food
  • Protagonist's Sister-in-Law as a Heroine
Rating 6.4836 Users
Jukushita Kajitsu-tachi ~Marmalade - Kanzenban~
Jukushita Kajitsu-tachi ~Marmalade - Kanzenban~
NAN%
Tags
  • Protagonist's Aunt as a Heroine
  • Only Older Heroines
  • Pretending Heroine
  • Protagonist's Blood-related Mother as a Heroine
  • Shota Protagonist
Rating 5.9825 Users
Shimai x Saimin ~Zettai Fukujuu, Ore ga Zutto Ou-sama~
Shimai x Saimin ~Zettai Fukujuu, Ore ga Zutto Ou-sama~
NAN%
Tags
  • Sex Scene Recollection
  • Only Protagonist's Sisters as Heroine(s)
  • Erotic Mind Control
  • Mind Control
  • Blood-related Brother/Sister Incest
Rating 6.2776 Users
Otome no Kyouren ~Modae Ochi Yuku Junjou~
Otome no Kyouren ~Modae Ochi Yuku Junjou~
NAN%
Tags
  • Yandere Heroine
  • Heroine with Latex
  • Only Virgin Heroines
  • Strap-on Dildos
  • High School Student Heroine
Rating 5.7323 Users
Furin x Ren
Furin x Ren'ai! Mama wa Anata no Yokubou Kanaemasu ~Nikuyoku ni Mamireru Shufu Layer no Nichijou~
NAN%
Tags
  • Sexual Cosplay
  • Protagonist with Big Breasts
  • Netorare
  • Infidelity
  • University Student Hero
Rating 5.6840 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!~
NAN%
Tags
  • Heroine with Children
  • Protagonist with Phimosis
  • Protagonist with Glasses
  • Only Adult Heroines
  • Single Ending
Rating 6.1540 Users
Shinsou Parallel Paradox -Heikou Sekai no Risoukyou-
Shinsou Parallel Paradox -Heikou Sekai no Risoukyou-
NAN%
Tags
  • Alternate Dimensions
  • Stuck-in-Wall Sex
  • Tailjob
  • Background Moans
  • Ejaculation Forewarner
Rating 6.7160 Users
Kazoku Ai ~Okaa-san to Nee-san wa Boku no Mono~
Kazoku Ai ~Okaa-san to Nee-san wa Boku no Mono~
NAN%
Tags
  • Oyakodon Ending
  • Consensual Phone Sex
  • Dildos
  • Shotacon
  • Discreet Phone Sex
Rating 6.6138 Users
Haramasete Hitozuma
Haramasete Hitozuma
NAN%
Tags
  • Protagonist's Boss as a Heroine
  • Unavoidable Heroine Rape
  • Sex Involving Drugs
  • Rape with Blackmail
  • Blackmail
Rating 6.7621 Users
Momojiri Instructor Netori Lesson ~Kyouei Mizugi de Ero Zanmai~
Momojiri Instructor Netori Lesson ~Kyouei Mizugi de Ero Zanmai~
NAN%
Tags
  • Chubby Protagonist
  • Coach Heroine
  • Heroine in Relationship with Other(s)
  • Swimming Club
  • Netori
Rating 6.4721 Users
Okaa-san to Koubi ~Tojikomerarete Futarikkiri Sekai ni Nattara Hoka ni Nani Suru?~
Okaa-san to Koubi ~Tojikomerarete Futarikkiri Sekai ni Nattara Hoka ni Nani Suru?~
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Incest
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 6.2921 Users
Osananajimi ga Chichioya to Dekiteita Ken ni Tsuite ~Oyaji kara no Shuuchi Netori Choukyou~
Osananajimi ga Chichioya to Dekiteita Ken ni Tsuite ~Oyaji kara no Shuuchi Netori Choukyou~
NAN%
Tags
  • Heroine in Relationship with Other(s)
  • Blackmail
  • Netori
  • Remote-controlled Vibrator
  • Impregnation
Rating 6.5725 Users
Iede Musume Tanetsuke Kan
Iede Musume Tanetsuke Kan'yuu ~Kiyowa na Ano Ko o Nikubenki Kaihatsu~
NAN%
Tags
  • Runaway Heroine
  • Rape by Deception
  • Kidnapping
  • Rapist Protagonist
  • No "Keep Voice on Click" Option
Rating 6.2023 Users
Beppin Mama Omnibus
Beppin Mama Omnibus
NAN%
Tags
  • Obacon
  • Otaku Friend
  • Heroine with Armpit Hair
  • Blood-related Mother/Son Incest
  • Shotacon
Rating 6.6429 Users
Musuko no Inbou ni Chietsu Suru Haha ~ Mama o Gifu ni Watasanai!
Musuko no Inbou ni Chietsu Suru Haha ~ Mama o Gifu ni Watasanai!
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Netori
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 5.9526 Users
Like x Love ~Irokawa Suzune~
Like x Love ~Irokawa Suzune~
NAN%
Tags
  • Pissing on Others
  • Leather Bondage
  • Piss Drinking
  • Pissing
  • Sex on Toilet
Rating 7.3337 Users
Aniyome Saimin Appli Ochi ~Yokkyuu Fuman no Aniyome ni Saimin Appli o Tsukattara Rippa na Nikubenki ni Narimashita~
Aniyome Saimin Appli Ochi ~Yokkyuu Fuman no Aniyome ni Saimin Appli o Tsukattara Rippa na Nikubenki ni Narimashita~
NAN%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Gang
  • Erotic Mind Control
  • Married Heroine
  • Big Breast Sizes Heroine
Rating 6.1325 Users
Saimin Torotoro Operation ~Innai Bikyonyuu Hokan Keikaku~
Saimin Torotoro Operation ~Innai Bikyonyuu Hokan Keikaku~
NAN%
Tags
  • Hospital
  • Erotic Mind Control
  • Mind Control
  • Bunnygirl Cosplay
  • Medical Doctor Protagonist
Rating 6.7038 Users
Onii-chan no Seiheki, Watashi ga Mitsukete Ageru♪ ~Kyou kara Boku wa Imouto no Omocha~
Onii-chan no Seiheki, Watashi ga Mitsukete Ageru♪ ~Kyou kara Boku wa Imouto no Omocha~
NAN%
Tags
  • Only Younger Heroines
  • Blood-related Brother/Sister Incest
  • Only Blood-related Heroines
  • Heroine with a Fang
  • Only Protagonist's Sisters as Heroine(s)
Rating 5.9027 Users
Kowaku no Toki
Kowaku no Toki
NAN%
Tags
  • Human Childbirth
  • Prolapse
  • Huge Insertion
  • Sensual Biting
  • Single Hole Multiple Objects Insertion (obsolete)
Rating 6.6433 Users
Omae no Mama o Share Shiyou ze ~Musuko e no Ijimekko-tachi ni Otosareru Bibo~
Omae no Mama o Share Shiyou ze ~Musuko e no Ijimekko-tachi ni Otosareru Bibo~
NAN%
Tags
  • Netorase
  • Mother/Son Incest
  • Fisting
  • Blood-related Incest
  • Pregnancy Bad Ending
Rating 6.3628 Users
Aru Kazoku no Kankeizu
Aru Kazoku no Kankeizu
NAN%
Tags
  • Asian-style Manor
  • Sex Swing
  • Sexual Slavery (Choukyou Variation)
  • Non-blood-related Mother/Son Incest
  • Non-blood-related Brother/Sister Incest
Rating 7.1858 Users
Kyonyuubo ~Okaa-san wa Dare ni mo Watasanai~
Kyonyuubo ~Okaa-san wa Dare ni mo Watasanai~
NAN%
Tags
  • Rounin Protagonist
  • Protagonist's Blood-related Mother as a Heroine
  • Molestation on Public Transport
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 6.2523 Users
Hatsujou Inbo ~Uzuku Jukutai wa, Sono Yokujou o Osaekirenai~
Hatsujou Inbo ~Uzuku Jukutai wa, Sono Yokujou o Osaekirenai~
32%
Tags
  • Daughter Support Character
  • Quickie
  • Clothed Female Naked Male
  • Protagonist's Non-blood-related Mother as a Heroine
  • Clothed Male Naked Female
Rating 5.7429 Users
Inshuu Mekage Mura ~Hogami Oba-san no Himitsu~
Inshuu Mekage Mura ~Hogami Oba-san no Himitsu~
32%
Tags
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Countryside
Rating 6.1828 Users
Iede Musume Tanetsuke Kan
Iede Musume Tanetsuke Kan'yuu ~Kiyowa na Ano Ko o Nikubenki Kaihatsu~
29%
Tags
  • Runaway Heroine
  • Rape by Deception
  • Kidnapping
  • Rapist Protagonist
  • No "Keep Voice on Click" Option
Rating 6.2023 Users
Osananajimi ga Chichioya to Dekiteita Ken ni Tsuite ~Oyaji kara no Shuuchi Netori Choukyou~
Osananajimi ga Chichioya to Dekiteita Ken ni Tsuite ~Oyaji kara no Shuuchi Netori Choukyou~
28%
Tags
  • Heroine in Relationship with Other(s)
  • Blackmail
  • Netori
  • Remote-controlled Vibrator
  • Impregnation
Rating 6.5725 Users
Okaa-san to Koubi ~Tojikomerarete Futarikkiri Sekai ni Nattara Hoka ni Nani Suru?~
Okaa-san to Koubi ~Tojikomerarete Futarikkiri Sekai ni Nattara Hoka ni Nani Suru?~
28%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Incest
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 6.2921 Users
Haramasete Hitozuma
Haramasete Hitozuma
27%
Tags
  • Protagonist's Boss as a Heroine
  • Unavoidable Heroine Rape
  • Sex Involving Drugs
  • Rape with Blackmail
  • Blackmail
Rating 6.7621 Users
Momojiri Instructor Netori Lesson ~Kyouei Mizugi de Ero Zanmai~
Momojiri Instructor Netori Lesson ~Kyouei Mizugi de Ero Zanmai~
27%
Tags
  • Chubby Protagonist
  • Coach Heroine
  • Heroine in Relationship with Other(s)
  • Swimming Club
  • Netori
Rating 6.4721 Users
Shinsou Parallel Paradox -Heikou Sekai no Risoukyou-
Shinsou Parallel Paradox -Heikou Sekai no Risoukyou-
27%
Tags
  • Alternate Dimensions
  • Stuck-in-Wall Sex
  • Tailjob
  • Background Moans
  • Ejaculation Forewarner
Rating 6.7160 Users
Kazoku Ai ~Okaa-san to Nee-san wa Boku no Mono~
Kazoku Ai ~Okaa-san to Nee-san wa Boku no Mono~
26%
Tags
  • Oyakodon Ending
  • Consensual Phone Sex
  • Dildos
  • Shotacon
  • Discreet Phone Sex
Rating 6.6138 Users
Musuko no Inbou ni Chietsu Suru Haha ~ Mama o Gifu ni Watasanai!
Musuko no Inbou ni Chietsu Suru Haha ~ Mama o Gifu ni Watasanai!
26%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Netori
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 5.9526 Users
Aniyome Saimin Appli Ochi ~Yokkyuu Fuman no Aniyome ni Saimin Appli o Tsukattara Rippa na Nikubenki ni Narimashita~
Aniyome Saimin Appli Ochi ~Yokkyuu Fuman no Aniyome ni Saimin Appli o Tsukattara Rippa na Nikubenki ni Narimashita~
26%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Gang
  • Erotic Mind Control
  • Married Heroine
  • Big Breast Sizes Heroine
Rating 6.1325 Users
Onii-chan no Seiheki, Watashi ga Mitsukete Ageru♪ ~Kyou kara Boku wa Imouto no Omocha~
Onii-chan no Seiheki, Watashi ga Mitsukete Ageru♪ ~Kyou kara Boku wa Imouto no Omocha~
26%
Tags
  • Only Younger Heroines
  • Blood-related Brother/Sister Incest
  • Only Blood-related Heroines
  • Heroine with a Fang
  • Only Protagonist's Sisters as Heroine(s)
Rating 5.9027 Users
Omae no Mama o Share Shiyou ze ~Musuko e no Ijimekko-tachi ni Otosareru Bibo~
Omae no Mama o Share Shiyou ze ~Musuko e no Ijimekko-tachi ni Otosareru Bibo~
25%
Tags
  • Netorase
  • Mother/Son Incest
  • Fisting
  • Blood-related Incest
  • Pregnancy Bad Ending
Rating 6.3628 Users
Kyonyuubo ~Okaa-san wa Dare ni mo Watasanai~
Kyonyuubo ~Okaa-san wa Dare ni mo Watasanai~
25%
Tags
  • Rounin Protagonist
  • Protagonist's Blood-related Mother as a Heroine
  • Molestation on Public Transport
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 6.2523 Users
Kuro Gyaru Bitch ni Shasei Kanri Saremashita? ~Aashi ni Ironna Kakkou Sasete Koufun Suru toka Kimoin Desu kedo~
Kuro Gyaru Bitch ni Shasei Kanri Saremashita? ~Aashi ni Ironna Kakkou Sasete Koufun Suru toka Kimoin Desu kedo~
25%
Tags
  • Bimbofication
  • Gyaru Heroine
  • Handjob
  • Dark Skinned Heroine
  • Background Moans
Rating 6.6221 Users
Tsuma to Musuko ni Barete wa Ikenai Haitoku no Binetsu ~Ayamachi no Mitsuai 2~
Tsuma to Musuko ni Barete wa Ikenai Haitoku no Binetsu ~Ayamachi no Mitsuai 2~
24%
Tags
  • In-law Incest
  • Non-blood-related Father/Daughter Incest
  • Netori
  • Protagonist with Children
  • Onsen
Rating 6.3520 Users
Aibo Nyuujoku ~Moushuu no Kyonyuu-zeme Zanmai~
Aibo Nyuujoku ~Moushuu no Kyonyuu-zeme Zanmai~
24%
Tags
  • Unavoidable Netorare
  • Pornography
  • Sex Under the Necessity
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
Rating 6.2137 Users
Katei Kyouin ~Sensei no Ecchi na Gohoubi~
Katei Kyouin ~Sensei no Ecchi na Gohoubi~
23%
Tags
  • Has Window Transparency Setting
  • Background Moans
  • Backlog Jump
  • Sounds of Copulation
  • Sex on Toilet
Rating 6.7320 Users
Gyaku Rape Joshi Ryou ~Semarikuru Onna-tachi ni Shiboritoraretsuzukeru Ore no Hakudakueki~
Gyaku Rape Joshi Ryou ~Semarikuru Onna-tachi ni Shiboritoraretsuzukeru Ore no Hakudakueki~
23%
Tags
  • Dormitory Manager Protagonist
  • Footjob
  • P.E. Teacher Heroine
  • Cheerleader Heroine
  • Principal Heroine
Rating 6.5831 Users
Yokkyuu Fuman na Boku no Mama no Sex Lesson ~Papa ni wa Ienai Katei-nai Jouji~
Yokkyuu Fuman na Boku no Mama no Sex Lesson ~Papa ni wa Ienai Katei-nai Jouji~
23%
Tags
  • Quickie
  • Only Blood-related Heroines
  • Only Older Heroines
  • Blood-related Mother/Son Incest
  • Only Non-Virgin Heroines
Rating 6.0744 Users
Wakagaeri Haha ~Kuchiurusai Oba-san ga Bishoujo ni Naru Nante Hansoku desho!?~
Wakagaeri Haha ~Kuchiurusai Oba-san ga Bishoujo ni Naru Nante Hansoku desho!?~
23%
Tags
  • Rejuvenation
  • Heroine in Relationship with Other(s)
  • Only Blood-related Heroines
  • Only Older Heroines
  • Blood-related Mother/Son Incest
Rating 5.6124 Users
Hirusagari no Danchizuma ~Otto ni wa Ienai Himitsu no Houmon Hanbai~
Hirusagari no Danchizuma ~Otto ni wa Ienai Himitsu no Houmon Hanbai~
23%
Tags
  • Netori
  • Highly Animated Sprites
  • Villainous Protagonist
  • Hidden Vibrator
  • Condoms
Rating 6.5234 Users
Zetsurin Yandere Haha ~Musuko no Kyokonburi ni Teisou ga Yoromeku~
Zetsurin Yandere Haha ~Musuko no Kyokonburi ni Teisou ga Yoromeku~
23%
Tags
  • Protagonist's Son as a Hero
  • Mother/Son Romance
  • Only Younger Heroes
  • Yamato Nadeshiko Protagonist
  • Forbidden Love
Rating 6.2127 Users
Joushi no Tsuma to Buka no Tsuma
Joushi no Tsuma to Buka no Tsuma
23%
Tags
  • Netori
  • Infidelity
  • Only Adult Heroines
  • Married Heroine
  • Harem Ending
Rating 6.5321 Users

Haitoku no Oyakodon ~In'yoku ni Shizumu Mama to Imouto~ 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 (47 total)

NameScoreImportanceWeight
Protagonist's Blood-related Sister as a Heroine3.001.955.84
Incest2.502.125.29
Oyakodon Ending2.501.994.97
Protagonist's Blood-related Mother as a Heroine2.501.894.74
Blood-related Mother/Son Incest2.501.854.61
Blood-related Mother/Daughter Incest2.002.204.40
Blood-related Brother/Sister Incest2.501.483.71
Soapy Massage2.001.843.69
Heroine with Beauty Mark2.001.803.60
Blackmail2.001.763.51
Rapist Protagonist2.001.753.49
Revenge2.001.703.40
Object Insertion2.001.693.38
Bondage3.001.113.32
Facesitting2.001.653.29
Sex in a Classroom2.001.623.25
Fingering2.001.533.06
Double Penetration (Group Sex)2.001.452.90
Background Moans2.001.442.87
Few Choices2.001.332.66
Boobjob2.001.332.65
Anal Penetration2.001.322.64
Big Breast Sizes Heroine2.001.312.62
Sounds of Copulation2.001.292.58
Student Protagonist2.001.262.52
Rape2.001.232.45
Bathroom Sex2.001.192.37
Adult Heroine2.001.132.27
Blowjob2.001.122.24
Sex on a Roof1.002.172.17
Sixty-nine2.001.072.14
Naked Sprites2.001.052.10
Outdoor Sex2.000.991.99
Student Heroine2.000.991.99
Missionary Position2.000.941.88
Cunnilingus2.000.931.86
Group Sex of One Male and Several Females2.000.921.83
Strap-on Dildos1.001.711.71
Cowgirl2.000.841.67
Doggy Style2.000.801.61
Defloration2.000.761.52
Multiple Endings2.000.671.34
Nukige2.000.651.30
Sexual Content2.000.631.26
Male Protagonist2.000.300.60
ADV2.000.140.29
2.000.000.00

Traits (60 total)

NameCharactersImportanceWeight
Double Penetration (Group Sex) Engages in (Sexual)22.182.40
Incest Engages in (Sexual)31.472.03
Platform Shoes Clothes12.922.03
Lace-up Shoes Clothes12.851.97
Reverse Spitroast Engages in (Sexual)12.591.80
Group Sex Engages in (Sexual)21.511.66
Facesitting Subject of (Sexual)12.351.63
Blouse Clothes21.461.61
Bondage Sex Engages in (Sexual)12.281.58
Reverse Cowgirl Engages in (Sexual)12.221.54
Seventh Posture Engages in (Sexual)12.191.52
Strap-on Dildo Clothes12.111.46
Ankle Boots Clothes12.101.46
Sixty-nine Engages in (Sexual)21.261.38
Facesitting Engages in (Sexual)11.971.37
Over The Knee Socks Clothes11.941.35
Quickie Fix Engages in (Sexual)11.881.30
Standing Sex Engages in (Sexual)11.871.29
Reverse Spitroast Subject of (Sexual)11.841.28
Outdoor Sex Engages in (Sexual)21.161.27
Son Role11.821.26
Rape Engages in (Sexual)11.811.26
Anal Sex Engages in (Sexual)11.761.22
Side Tail Hair11.751.21
Missionary Engages in (Sexual)11.741.21
Older Brother Role11.731.20
Cowgirl Engages in (Sexual)11.711.19
Doggy Style Engages in (Sexual)11.681.17
Rope Bondage Subject of (Sexual)11.671.16
Double Penetration (Group Sex) Subject of (Sexual)11.651.14
Reverse Cowgirl Subject of (Sexual)11.631.13
Vaginal Fingering Engages in (Sexual)11.621.12
Bondage Sex Subject of (Sexual)11.581.09
Rape Subject of (Sexual)11.571.09
Cunnilingus Engages in (Sexual)11.551.08
Blowjob Subject of (Sexual)11.521.05
Seventh Posture Subject of (Sexual)11.461.01
Mother Role11.461.01
Younger Sister Role11.441.00
Pleated Skirt Clothes11.390.97
Skirt Clothes11.340.93
Blue Hair11.190.83
Ribbon Hair Tie Clothes11.190.83
Long Hair20.750.82
Anal Sex Subject of (Sexual)11.190.82
Standing Sex Subject of (Sexual)11.180.81
Cunnilingus Subject of (Sexual)11.160.81
Missionary Subject of (Sexual)11.120.77
Quickie Fix Subject of (Sexual)11.080.75
Vaginal Fingering Subject of (Sexual)11.080.75
Miniskirt Clothes11.060.74
Teen Body20.620.68
Cowgirl Subject of (Sexual)10.950.66
Doggy Style Subject of (Sexual)10.920.64
Brown Eyes10.900.63
Virgin Sex Engages in (Sexual)10.850.59
Black Hair10.800.56
Blue Eyes10.800.56
Blowjob Engages in (Sexual)10.760.53
Brown Hair10.680.47