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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.

Mama x Kano+ ~Oshiego no Okaa-san ga Ecchi na Sensei de, Musume mo Ecchi ni Nattara Dame Desu ka?~
Mama x Kano+ ~Oshiego no Okaa-san ga Ecchi na Sensei de, Musume mo Ecchi ni Nattara Dame Desu ka?~
NAN%
Tags
  • Oyakodon Ending
  • Sex with Protagonist Only
  • Rope Bondage
  • Naked Heroine with Apron
  • Threesome
Rating 7.6542 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 6.0125 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~
NAN%
Tags
  • Quickie
  • Only Blood-related Heroines
  • Only Older Heroines
  • Blood-related Mother/Son Incest
  • Only Non-Virgin Heroines
Rating 6.1344 Users
Idol★Harem
Idol★Harem
NAN%
Tags
  • Wakame Sake
  • Protagonist's Twin as a Heroine
  • Timid Protagonist
  • Beach
  • Heroine with Swimsuits
Rating 6.1923 Users
Omae no Danna Datte Ore no Tsuma o Ubattan Dakara, Ii Darou? ~Fukushuu no Netori~
Omae no Danna Datte Ore no Tsuma o Ubattan Dakara, Ii Darou? ~Fukushuu no Netori~
NAN%
Tags
  • Consensual Phone Sex
  • Swinging
  • Molestation on Public Transport
  • Clothed Male Naked Female
  • Remote-controlled Vibrator
Rating 6.3321 Users
Anal * Teacher ~Kando Ryoukou!? Gyaku Lesson~
Anal * Teacher ~Kando Ryoukou!? Gyaku Lesson~
NAN%
Tags
  • Avoidable Rape
  • Student Hero
  • Student-Teacher Romance
  • Teacher Protagonist
  • Protagonist with Voice Acting
Rating 5.9935 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
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 6.2425 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 6.3021 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
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
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 6.6238 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 6.2123 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 7.1656 Users
Shinsou Parallel Paradox -Heikou Sekai no Risoukyou-
Shinsou Parallel Paradox -Heikou Sekai no Risoukyou-
NAN%
Tags
  • Alternate Dimensions
  • Stuck-in-Wall Sex
  • Tailjob
  • Ejaculation Forewarner
  • Background Moans
Rating 6.7159 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
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 5.9227 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
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
Kowaku no Toki
Kowaku no Toki
NAN%
Tags
  • Human Childbirth
  • Prolapse
  • Huge Insertion
  • Sensual Biting
  • Single Hole Multiple Objects Insertion (obsolete)
Rating 6.6533 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
Ama Ama ★ Sharing
Ama Ama ★ Sharing
NAN%
Tags
  • Rimming Handjob
  • Chubby Protagonist
  • Non-twin Heroine Sisters
  • Twin Handjob
  • Soapy Massage
Rating 6.9726 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~
NAN%
Tags
  • Bimbofication
  • Gyaru Heroine
  • Handjob
  • Dark Skinned Heroine
  • Background Moans
Rating 6.6421 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 6.1428 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 6.2123 Users
Kazoku Ai ~Okaa-san to Nee-san wa Boku no Mono~
Kazoku Ai ~Okaa-san to Nee-san wa Boku no Mono~
28%
Tags
  • Oyakodon Ending
  • Consensual Phone Sex
  • Dildos
  • Shotacon
  • Discreet Phone Sex
Rating 6.6238 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 6.3021 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
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 6.2425 Users
Shinsou Parallel Paradox -Heikou Sekai no Risoukyou-
Shinsou Parallel Paradox -Heikou Sekai no Risoukyou-
26%
Tags
  • Alternate Dimensions
  • Stuck-in-Wall Sex
  • Tailjob
  • Ejaculation Forewarner
  • Background Moans
Rating 6.7159 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~
25%
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 5.9227 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 6.6421 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!?~
24%
Tags
  • Rejuvenation
  • Heroine in Relationship with Other(s)
  • Only Blood-related Heroines
  • Only Older Heroines
  • Blood-related Mother/Son Incest
Rating 5.5424 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
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~
23%
Tags
  • In-law Incest
  • Non-blood-related Father/Daughter Incest
  • Netori
  • Protagonist with Children
  • Interactive Touching Game
Rating 6.3521 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
  • Forbidden Love
  • Yamato Nadeshiko Protagonist
Rating 6.2627 Users
Furin x Ren
Furin x Ren'ai! Mama wa Anata no Yokubou Kanaemasu ~Nikuyoku ni Mamireru Shufu Layer no Nichijou~
23%
Tags
  • Sexual Cosplay
  • Protagonist with Big Breasts
  • Netorare
  • Infidelity
  • University Student Hero
Rating 5.7041 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 6.5521 Users
Ore no Onshi wa Kuso Bitch
Ore no Onshi wa Kuso Bitch
23%
Tags
  • Flat Tints Only
  • Student-Teacher Romance
  • Prostitution
  • Consensual Group Sex of One Female and Several Males
  • Sex Involving Prostitution
Rating 6.0036 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 Heroine3.001.945.83
Incest2.502.115.28
Oyakodon Ending2.501.994.97
Protagonist's Blood-related Mother as a Heroine2.501.904.76
Blood-related Mother/Son Incest2.501.854.62
Blood-related Mother/Daughter Incest2.002.204.40
Blood-related Brother/Sister Incest2.501.493.72
Soapy Massage2.001.843.68
Heroine with Beauty Mark2.001.803.61
Blackmail2.001.763.52
Rapist Protagonist2.001.753.49
Revenge2.001.713.42
Object Insertion2.001.693.38
Bondage3.001.113.32
Facesitting2.001.653.30
Sex in a Classroom2.001.633.26
Fingering2.001.523.05
Double Penetration (Group Sex)2.001.452.90
Background Moans2.001.442.87
Few Choices2.001.342.67
Boobjob2.001.322.64
Anal Penetration2.001.322.63
Big Breast Sizes Heroine2.001.312.61
Sounds of Copulation2.001.292.58
Student Protagonist2.001.262.51
Rape2.001.232.45
Bathroom Sex2.001.192.38
Adult Heroine2.001.142.27
Blowjob2.001.112.23
Sex on a Roof1.002.172.17
Sixty-nine2.001.072.14
Naked Sprites2.001.052.11
Outdoor Sex2.001.001.99
Student Heroine2.000.991.98
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
Cowgirl2.000.841.68
Doggy Style2.000.801.61
Defloration2.000.761.52
Multiple Endings2.000.671.34
Nukige2.000.651.30
Sexual Content2.000.631.26
Male Protagonist2.000.300.61
ADV2.000.150.29
2.000.000.00

Traits (60 total)

NameCharactersImportanceWeight
Double Penetration (Group Sex) Engages in (Sexual)22.192.40
Platform Shoes Clothes12.942.04
Incest Engages in (Sexual)31.472.03
Lace-up Shoes Clothes12.841.97
Reverse Spitroast Engages in (Sexual)12.591.80
Group Sex Engages in (Sexual)21.501.65
Facesitting Subject of (Sexual)12.351.63
Blouse Clothes21.471.61
Bondage Sex Engages in (Sexual)12.271.58
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)11.881.31
Standing Sex Engages in (Sexual)11.871.30
Reverse Spitroast Subject of (Sexual)11.841.28
Outdoor Sex Engages in (Sexual)21.161.27
Son Role11.821.26
Rape Engages in (Sexual)11.821.26
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)11.721.19
Doggy Style Engages in (Sexual)11.691.17
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)11.571.09
Rape Subject of (Sexual)11.561.08
Cunnilingus Engages in (Sexual)11.551.08
Blowjob Subject of (Sexual)11.521.06
Seventh Posture Subject of (Sexual)11.461.01
Mother Role11.461.01
Younger Sister Role11.441.00
Pleated Skirt Clothes11.400.97
Skirt Clothes11.330.93
Blue Hair11.190.83
Long Hair20.750.83
Ribbon Hair Tie Clothes11.190.83
Anal Sex Subject of (Sexual)11.190.82
Standing Sex Subject of (Sexual)11.180.82
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)10.930.64
Brown Eyes10.900.63
Virgin Sex Engages in (Sexual)10.850.59
Black Hair10.810.56
Blue Eyes10.800.56
Blowjob Engages in (Sexual)10.760.53
Brown Hair10.680.47