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Summary

Kouta has been experiencing serious sexual frustration since having a baby with his wife Chiaki. While visiting his wife's family, he becomes entranced by his curvaceous sister-in-law, Chisato. One night, Kouta overhears Chisato masturbating in her room while her husband is away, and he starts to masturbate as well. When they both reach climax, Kouta accidentally raises a voice... [Translated from the official site]

Chou Saiminjutsu Gakuen
Chou Saiminjutsu Gakuen
NAN%
Tags
  • Nude Filter
  • Discipline Committee Member Heroine
  • Erotic Mind Control
  • Mind Control
  • More Than Seven Heroines
Rating 6.7436 Users
Anedori ~Ochiteiku Onee-chan o Tasukerarenai Boku~
Anedori ~Ochiteiku Onee-chan o Tasukerarenai Boku~
NAN%
Tags
  • Protagonist's Sister as a Heroine
  • Netorare Type B
  • Only Bad Endings
  • Defloration by Others
  • Only Blood-related Heroines
Rating 6.2519 Users
Akogare no Okaa-san
Akogare no Okaa-san
NAN%
Tags
  • Non-blood-related Mother/Son Incest
  • Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Early Branching Plot
  • Protagonist's Non-blood-related Mother as a Heroine
Rating 6.5337 Users
Jukubo Gui ~Moto Guradoru no Okaa-san~
Jukubo Gui ~Moto Guradoru no Okaa-san~
NAN%
Tags
  • Blackmail
  • Threesome Ending
  • Sexual Devices
  • Naked Heroine with Apron
  • Netori
Rating 7.3225 Users
Love Fetish ~Tekoki Hen~
Love Fetish ~Tekoki Hen~
NAN%
Tags
  • Flat Tints Only
  • High Sexual Content
  • Modern Day
  • Tsundere Heroine
  • Perverted Heroine
Rating 6.7722 Users
Musuko no Tomodachi ni Otosarete ~Aa... Watashi, Hitori no Onna ni Modorimasu~
Musuko no Tomodachi ni Otosarete ~Aa... Watashi, Hitori no Onna ni Modorimasu~
NAN%
Tags
  • Netorare
  • Discreet Phone Sex
  • Boobs on Glass
  • Protagonist's Blood-related Mother as a Heroine
  • Married Heroine
Rating 6.5030 Users
Haramasete Hitozuma
Haramasete Hitozuma
NAN%
Tags
  • Protagonist's Boss as a Heroine
  • Unavoidable Heroine Rape
  • Sex Involving Drugs
  • Rape with Blackmail
  • Blackmail
Rating 6.7920 Users
Shin Onna Kyoushi Yuuwaku Shinro Shidoushitsu
Shin Onna Kyoushi Yuuwaku Shinro Shidoushitsu
NAN%
Tags
  • Protagonist with Health Issues
  • School Nurse Support Character
  • School Nurse Heroine
  • Heroine with Sport Bloomers
  • Remote-controlled Vibrator
Rating 6.7026 Users
Rakuin Mesu Kyoushi ~Danshikou no Madonna-tachi~
Rakuin Mesu Kyoushi ~Danshikou no Madonna-tachi~
NAN%
Tags
  • P.E. Teacher Heroine
  • Strip Game
  • School Nurse Heroine
  • Masturbation with Object
  • Heroine with Tan Lines
Rating 6.3014 Users
Yaritomo Pet Yokujou Seikatsu
Yaritomo Pet Yokujou Seikatsu
NAN%
Tags
  • Avoidable Netorare (obsolete)
  • Heroine with Garter Belt
  • Clothed Male Naked Female
  • Gyaru Heroine
  • Bleep Censor
Rating 6.3813 Users
Futari no Aniyome ~Miryokuteki na Aniyome-tachi to Doukyo Suru Koto ni Natta Hibi no Tenmatsu~
Futari no Aniyome ~Miryokuteki na Aniyome-tachi to Doukyo Suru Koto ni Natta Hibi no Tenmatsu~
NAN%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Domicile
  • Pregnancy Ending
  • Netori
  • Big Breast Sizes Heroine
Rating 6.7831 Users
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
NAN%
Tags
  • Widow Heroine
  • Heroine with Armpit Hair
  • Heroine with Kimono
  • Dildos
  • Rope Bondage
Rating 6.8922 Users
Classmate no Okaa-san -Immoral Teacher-
Classmate no Okaa-san -Immoral Teacher-
NAN%
Tags
  • Masturbation with Object
  • Widow Heroine
  • Sexual Fantasizing
  • Heroine with Tights
  • Naked Heroine with Apron
Rating 6.8223 Users
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
NAN%
Tags
  • American Heroine
  • Voyeurism
  • Blood-related Aunt/Nephew Incest
  • Fictional Modern Day Japanese Countryside
  • Protagonist's Aunt as a Heroine
Rating 5.8521 Users
Mama no Bonyuu
Mama no Bonyuu
NAN%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Artist Heroine
  • Artist Protagonist
  • Boobjob
  • Lactation During Sex
Rating 6.4929 Users
Nantai Prima Onna Kyoushi
Nantai Prima Onna Kyoushi
NAN%
Tags
  • Bisexual Heroine
  • Autocunnilingus
  • Big Breast Sizes Heroine
  • Sexual Devices
  • Sex in a Classroom
Rating 6.5922 Users
Suki na Dake Soku Hame & Tanetsuke Shite Yorokobareru Sekai
Suki na Dake Soku Hame & Tanetsuke Shite Yorokobareru Sekai
NAN%
Tags
  • Politician Heroine
  • Sex Under the Necessity
  • Human Childbirth
  • Defloration During Common Route
  • Impregnation
Rating 6.5027 Users
Boku to Nakadashi Onna Kyoushi ~Sensei no Naka wa Seieki Mamire~
Boku to Nakadashi Onna Kyoushi ~Sensei no Naka wa Seieki Mamire~
NAN%
Tags
  • School Dormitory
  • Close-up CGs
  • Pubic Hair Option
  • Transfer Student Protagonist
  • Tribadism
Rating 6.4017 Users
Ijikuri Mama 3
Ijikuri Mama 3
NAN%
Tags
  • Unavoidable Harem Ending
  • Heroine with Tan Lines
  • Shotacon
  • Inbreeding
  • Protagonist's Blood-related Mother as a Heroine
Rating 5.6926 Users
Mome! Chichi Shimai Katei Kyoushi 11nin
Mome! Chichi Shimai Katei Kyoushi 11nin
NAN%
Tags
  • Romancing a Family
  • Hero(ine) Selection
  • Twin Sister Support Character
  • Blood-related Incest
  • Sister/Sister Incest
Rating 6.8613 Users
Hitozuma Heaven ~Takuran Ureta Shikyuu ni Kodane o Sosogu~
Hitozuma Heaven ~Takuran Ureta Shikyuu ni Kodane o Sosogu~
NAN%
Tags
  • Unavoidable Heroine Rape by the Protagonist
  • Heroine in Relationship with Other(s)
  • Heroine with Children
  • Heroine with Baby Complex
  • Only Non-Virgin Heroines
Rating 6.9158 Users
Joi-san no Oiitsuke!! ~Ecchi na Shinsatsu Shite Ageru♪~
Joi-san no Oiitsuke!! ~Ecchi na Shinsatsu Shite Ageru♪~
NAN%
Tags
  • Protagonist with Health Issues
  • Medical Doctor Heroine
  • Foreskin Play
  • Sex Involving Food
  • Armpit Licking
Rating 6.8815 Users
Shiritsu Netori Gakuin -10 nin no Kareshi Mochi Joshikousei o "Netotte Geki Iki" Sasero!-
Shiritsu Netori Gakuin -10 nin no Kareshi Mochi Joshikousei o "Netotte Geki Iki" Sasero!-
NAN%
Tags
  • Sex in a School Infirmary
  • Blood-related Incest
  • Heroine with Eyepatch
  • Athlete Heroine
  • Sickly Heroine
Rating 6.1631 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~
NAN%
Tags
  • In-law Incest
  • Non-blood-related Father/Daughter Incest
  • Netori
  • Protagonist with Children
  • Onsen
Rating 6.3521 Users
Aniyome Chijoku no Time Sale ~Otto ni wa Ienai, Himitsu no Part~
Aniyome Chijoku no Time Sale ~Otto ni wa Ienai, Himitsu no Part~
48%
Tags
  • Body Food
  • Clothed Male Naked Female
  • Rape with Blackmail
  • Sexual Devices
  • Production of Pornography (Amateur)
Rating 6.3412 Users
Momojiri Taiiku Onna Kyoushi
Momojiri Taiiku Onna Kyoushi
40%
Tags
  • Heroine with Tights
  • P.E. Teacher Heroine
  • Braless Heroine
  • Unavoidable Heroine Rape by the Protagonist
  • Lots of Event CGs
Rating 6.2020 Users
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
40%
Tags
  • American Heroine
  • Voyeurism
  • Blood-related Aunt/Nephew Incest
  • Fictional Modern Day Japanese Countryside
  • Protagonist's Aunt as a Heroine
Rating 5.8521 Users
Classmate no Okaa-san -Immoral Teacher-
Classmate no Okaa-san -Immoral Teacher-
40%
Tags
  • Masturbation with Object
  • Widow Heroine
  • Sexual Fantasizing
  • Heroine with Tights
  • Naked Heroine with Apron
Rating 6.8223 Users
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
39%
Tags
  • Widow Heroine
  • Heroine with Armpit Hair
  • Heroine with Kimono
  • Dildos
  • Rope Bondage
Rating 6.8922 Users
Yaritomo Pet Yokujou Seikatsu
Yaritomo Pet Yokujou Seikatsu
39%
Tags
  • Avoidable Netorare (obsolete)
  • Heroine with Garter Belt
  • Clothed Male Naked Female
  • Gyaru Heroine
  • Bleep Censor
Rating 6.3813 Users
Futari no Aniyome ~Miryokuteki na Aniyome-tachi to Doukyo Suru Koto ni Natta Hibi no Tenmatsu~
Futari no Aniyome ~Miryokuteki na Aniyome-tachi to Doukyo Suru Koto ni Natta Hibi no Tenmatsu~
38%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Domicile
  • Pregnancy Ending
  • Netori
  • Big Breast Sizes Heroine
Rating 6.7831 Users
Shin Onna Kyoushi Yuuwaku Shinro Shidoushitsu
Shin Onna Kyoushi Yuuwaku Shinro Shidoushitsu
38%
Tags
  • Protagonist with Health Issues
  • School Nurse Support Character
  • School Nurse Heroine
  • Heroine with Sport Bloomers
  • Remote-controlled Vibrator
Rating 6.7026 Users
Rakuin Mesu Kyoushi ~Danshikou no Madonna-tachi~
Rakuin Mesu Kyoushi ~Danshikou no Madonna-tachi~
38%
Tags
  • P.E. Teacher Heroine
  • Strip Game
  • School Nurse Heroine
  • Masturbation with Object
  • Heroine with Tan Lines
Rating 6.3014 Users
Nantai Prima Onna Kyoushi
Nantai Prima Onna Kyoushi
38%
Tags
  • Bisexual Heroine
  • Autocunnilingus
  • Big Breast Sizes Heroine
  • Sexual Devices
  • Sex in a Classroom
Rating 6.5922 Users
Boku to Nakadashi Onna Kyoushi ~Sensei no Naka wa Seieki Mamire~
Boku to Nakadashi Onna Kyoushi ~Sensei no Naka wa Seieki Mamire~
37%
Tags
  • School Dormitory
  • Close-up CGs
  • Pubic Hair Option
  • Transfer Student Protagonist
  • Tribadism
Rating 6.4017 Users
Mome! Chichi Shimai Katei Kyoushi 11nin
Mome! Chichi Shimai Katei Kyoushi 11nin
37%
Tags
  • Romancing a Family
  • Hero(ine) Selection
  • Twin Sister Support Character
  • Blood-related Incest
  • Sister/Sister Incest
Rating 6.8613 Users
Joi-san no Oiitsuke!! ~Ecchi na Shinsatsu Shite Ageru♪~
Joi-san no Oiitsuke!! ~Ecchi na Shinsatsu Shite Ageru♪~
37%
Tags
  • Protagonist with Health Issues
  • Medical Doctor Heroine
  • Foreskin Play
  • Sex Involving Food
  • Armpit Licking
Rating 6.8815 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~
36%
Tags
  • In-law Incest
  • Non-blood-related Father/Daughter Incest
  • Netori
  • Protagonist with Children
  • Onsen
Rating 6.3521 Users
Milk Junkie 2
Milk Junkie 2
36%
Tags
  • Shimaidon Ending
  • Blood-related Sister/Sister Incest
  • Big Breast Sizes Heroine
  • Soapy Massage
  • Changeable Font
Rating 7.5924 Users
Mama Goto
Mama Goto
36%
Tags
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Divorcee Heroine
  • Widow Heroine
  • Protagonist's Blood-related Mother as a Heroine
Rating 6.6930 Users
Toraba!
Toraba!
35%
Tags
  • Romancing a Family
  • Swimming Club
  • Class President Heroine
  • Foolish Friend
  • Oyakodon Ending
Rating 6.8524 Users
Hankouteki na Yankee Shoujo (Classmate) to no Zettai Shujuu Kankei
Hankouteki na Yankee Shoujo (Classmate) to no Zettai Shujuu Kankei
35%
Tags
  • Delinquent Heroine
  • Only Virgin Heroines
  • Impregnation
  • High School Student Protagonist
  • Sex in Public Places
Rating 7.0339 Users
Yuuwaku Onna Kyoushi ~Ureta Mitsu no Aji~
Yuuwaku Onna Kyoushi ~Ureta Mitsu no Aji~
34%
Tags
  • Only Older Heroines
  • Heroine with Children
  • Student-Teacher Romance
  • Obacon
  • School Nurse Heroine
Rating 6.7720 Users
Okaa-san no Ama Ama Time ~Issho ni Yoru no Kenshuu Massage~
Okaa-san no Ama Ama Time ~Issho ni Yoru no Kenshuu Massage~
33%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Spoons
  • Anal Fingering
  • Single Handjob
Rating 5.8918 Users
Hoka no Otoko no Seieki de Haramu Toki 2 -Shouji ni Utsuru, Kaikan ni Modae Kurutta Tsuma no Kage-
Hoka no Otoko no Seieki de Haramu Toki 2 -Shouji ni Utsuru, Kaikan ni Modae Kurutta Tsuma no Kage-
33%
Tags
  • In-law Incest
  • Protagonist with Health Issues
  • Traditionalist Family
  • Impregnation by Others
  • Netorare
Rating 6.6439 Users
Sensei o Haramaseyou! ~Hiyoko no Noroi de Toumeika Suru Ore!?~
Sensei o Haramaseyou! ~Hiyoko no Noroi de Toumeika Suru Ore!?~
33%
Tags
  • P.E. Teacher Heroine
  • Principal Heroine
  • Heroine with Spats
  • School Nurse Heroine
  • Heroine with Tights
Rating 6.4557 Users
Chikankyou ~Gachi Tsukaeru Appli de Muchimuchi Kyonyuu Shiri o Monde Sawatte! Acme-gao de Ikasetai!!~
Chikankyou ~Gachi Tsukaeru Appli de Muchimuchi Kyonyuu Shiri o Monde Sawatte! Acme-gao de Ikasetai!!~
33%
Tags
  • Invisibility
  • Chikan Protagonist
  • Molestation on Public Transport
  • Voyeurism
  • Stockings
Rating 7.0548 Users
Shiritsu Netori Gakuin 3 -Zokuzoku 10 nin no Kareshi Mochi Joshikousei o "Netotte Geki Iki" Sasero!-
Shiritsu Netori Gakuin 3 -Zokuzoku 10 nin no Kareshi Mochi Joshikousei o "Netotte Geki Iki" Sasero!-
33%
Tags
  • American Heroine
  • Discreet Phone Sex
  • Netori
  • Colored Texts
  • More Than Seven Heroines
Rating 6.5221 Users

Yome no Ane ga Kyonyuu Sugite Gaman Dekinai ~Nee-san ga Konna ni Erokatta Nante! 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 (32 total)

NameScoreImportanceWeight
Protagonist's Sister-in-Law as a Heroine3.002.377.12
Remote-controlled Vibrator2.002.064.13
Discreet Phone Sex2.002.004.01
Soapy Massage2.001.843.68
Hidden Vibrator2.001.693.38
Naked Heroine with Apron2.001.663.33
Discreet Sex2.001.603.21
Interactive Adventure Game2.001.583.16
Pregnancy2.001.523.05
Infidelity2.001.513.02
Only Adult Heroines2.001.492.98
Protagonist in Relationship2.001.452.89
Married Heroine2.001.422.85
Heroine with Zettai Ryouiki2.001.402.79
Sounds of Copulation2.001.292.58
Bathroom Sex2.001.192.38
Vibrators2.001.152.30
Quickie Fix Position2.001.112.23
Heroine with Glasses2.001.112.23
Bondage2.001.112.21
Standing Sex2.001.062.11
Sitting Sex2.001.062.11
Adult Protagonist2.001.032.05
Only a Single Heroine2.001.022.04
Outdoor Sex2.001.001.99
Cowgirl2.000.841.68
Doggy Style2.000.801.61
Multiple Endings2.000.671.34
Nukige2.000.651.30
Sexual Content2.000.631.26
Male Protagonist2.000.300.61
ADV2.000.150.29

Traits (35 total)

NameCharactersImportanceWeight
Wedding Ring Clothes22.002.20
Wife Role21.541.69
Infidelity Subject of12.291.59
Hidden Vibrator Subject of (Sexual)12.121.47
Naked Apron Clothes11.871.30
Hidden Eyes11.811.25
Husband Role11.801.25
Infidelity Engages in11.801.24
Spoons Subject of (Sexual)11.671.16
Garter Belt Stockings Clothes11.621.12
Mole Body11.591.10
Older Sister Role11.561.08
Blouse Clothes11.471.02
Brown Eyes20.900.99
Masturbation Engages in (Sexual)11.390.96
Bathroom Sex Engages in (Sexual)11.390.96
Pubic Hair Hair11.340.93
Pink Hair11.330.92
Ahegao Engages in (Sexual)11.320.92
Trousers Clothes11.190.83
Shirt Clothes11.160.80
Glasses Clothes11.080.75
Quickie Fix Subject of (Sexual)11.080.75
Vaginal Fingering Subject of (Sexual)11.080.75
Boobjob Engages in (Sexual)11.070.74
Miniskirt Clothes11.060.74
Sitting Sex Subject of (Sexual)11.060.74
Cowgirl Subject of (Sexual)10.950.66
Doggy Style Subject of (Sexual)10.930.64
Waist Length+ Hair10.810.56
Black Hair10.810.56
Brown Hair10.680.47
Short Hair10.610.42
Slim Body10.580.40
Pale Body10.370.26