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Summary

The protagonist, Yanamori Takahiro, is bathing his daughter when his mother-in-law, Ninose Yaeko, comes to help. The situation takes an unexpected turn, leading to a secret encounter between him and Yaeko. Later, they act as if nothing happened, and the family gathers for dinner. But it turns up that protagonist's sister-in-law, Ninose Nanami, seems to be up to some mischief under the table. Takahiro wonders what will happen next, as he was just visiting his wife's family to introduce their grandchild.

W Akuma no H na Omotenashi ~Anata no Milk Watashitachi ni Choudai~
W Akuma no H na Omotenashi ~Anata no Milk Watashitachi ni Choudai~
NAN%
Tags
  • Soapy Massage
  • Excessive Semen
  • Big Ass Heroine
  • Blowjob Duck Face
  • Demon Heroine
Rating 6.8820 Users
Intou Joubo ~Yukemuri ni Ukabu Bibo no Karada
Intou Joubo ~Yukemuri ni Ukabu Bibo no Karada
NAN%
Tags
  • Onsen
  • Blood-related Mother/Son Incest
  • Widow Heroine
  • Forbidden Love
  • Protagonist's Blood-related Mother as a Heroine
Rating 6.4427 Users
Mama Goto
Mama Goto
NAN%
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 6.6730 Users
Hani Tsuma Hs ~After Wedding~
Hani Tsuma Hs ~After Wedding~
NAN%
Tags
  • Deredere Heroine
  • Cousin Romance
  • Student-Teacher Romance
  • Class President Heroine
  • Impregnation
Rating 7.6234 Users
Mononokei Kanojo ~Inkya Desu ga, Koishite Ii Desu ka?~
Mononokei Kanojo ~Inkya Desu ga, Koishite Ii Desu ka?~
NAN%
Tags
  • Yuki-onna Heroine
  • Kitsune Heroine
  • Highly Animated Sprites
  • Catgirl Heroine
  • Defloration During Common Route
Rating 7.4663 Users
Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~
Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~
NAN%
Tags
  • Cousin Incest
  • Sister/Sister Incest
  • Aunt/Nephew Incest
  • Blood-related Sister/Sister Incest
  • Protagonist's Cousin as a Heroine
Rating 7.1543 Users
Itsu made mo Ore wa Mama ni Koishiteru! ~Ii yo, Mama ni Amaete, Oppai de Ippai Osewa Shite Ageru♪~
Itsu made mo Ore wa Mama ni Koishiteru! ~Ii yo, Mama ni Amaete, Oppai de Ippai Osewa Shite Ageru♪~
NAN%
Tags
  • Blood-related Aunt/Nephew Incest
  • Incest Romance
  • Protagonist's Aunt as a Heroine
  • Only Older Heroines
  • Blood-related Mother/Son Incest
Rating 7.28116 Users
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
NAN%
Tags
  • Widow Heroine
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Mother/Son Romance
  • Netori
Rating 6.8960 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~
NAN%
Tags
  • Protagonist's Son as a Hero
  • Pornography
  • Protagonist with Big Breasts
  • Only Blood-related Heroines
  • Modern Day Japan
Rating 5.9141 Users
Milk Junkie 2
Milk Junkie 2
NAN%
Tags
  • Shimaidon Ending
  • Blood-related Sister/Sister Incest
  • Big Breast Sizes Heroine
  • Soapy Massage
  • Changeable Font
Rating 7.5924 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
Immoral Joubo Hazard
Immoral Joubo Hazard
NAN%
Tags
  • Heroine with Old-style Bloomers
  • Sex with Sleepers
  • Blood-related Mother/Son Incest
  • Consensual Phone Sex
  • Incest
Rating 6.1222 Users
Kuzu Oyaji to Wakarerarenai Haha o Aiyoku Ryakudatsu ~Semarare, Aisare, Netorareru~
Kuzu Oyaji to Wakarerarenai Haha o Aiyoku Ryakudatsu ~Semarare, Aisare, Netorareru~
NAN%
Tags
  • Jealousy
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Vaginal + Anal Object Insertion
  • Nursing Handjob
Rating 6.4339 Users
Boku no Seiso na Mama ga, Konna ni Inran na Wake ga Nai! ~Bitch Mama to no Futekisetsu na Kankei~
Boku no Seiso na Mama ga, Konna ni Inran na Wake ga Nai! ~Bitch Mama to no Futekisetsu na Kankei~
NAN%
Tags
  • Half-orphan Protagonist
  • Blood-related Mother/Son Incest
  • Protagonist's Blood-related Mother as a Heroine
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 5.4033 Users
Aneboku ~Onee-chan wa Bijin 3 Shimai~
Aneboku ~Onee-chan wa Bijin 3 Shimai~
NAN%
Tags
  • Brother/Sister Romance
  • Protagonist with Phimosis
  • Romancing a Family
  • Protagonist's Non-blood-related Sister as a Heroine
  • Single Hole Multiple Objects Insertion (obsolete)
Rating 7.1623 Users
Miboujin Sanae "Watashi ga Hajimete de Ii no......?"
Miboujin Sanae "Watashi ga Hajimete de Ii no......?"
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Heroine with Inverted Nipples
  • Alcoholism
  • Female Protagonist for a Short Time
  • Blood-related Mother/Son Incest
Rating 7.3489 Users
GRAND LIBRA ACADEMY
GRAND LIBRA ACADEMY
NAN%
Tags
  • Magic School
  • Onmyouji Heroine
  • Russian Heroine
  • Werewolf
  • Maou Heroine
Rating 6.4231 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 6.3520 Users
Hitozuma♪ Kasumi-san 2 ~Oku-sama - Miboujin Owner to Kyoudou Seikatsu~
Hitozuma♪ Kasumi-san 2 ~Oku-sama - Miboujin Owner to Kyoudou Seikatsu~
NAN%
Tags
  • Only Adult Heroines
  • Vaginal Gaping
  • Widow Heroine
  • Stockings
  • Sexual Cosplay
Rating 7.1720 Users
Imouto no Chuunibyou to NEET o Naosu no wa, Ore no xx Dake tte Maji?
Imouto no Chuunibyou to NEET o Naosu no wa, Ore no xx Dake tte Maji?
NAN%
Tags
  • Forbidden Love
  • Chuunibyou Heroine
  • Brother/Sister Romance
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
Rating 5.6521 Users
Aniyome ni Sasowarete ~Gishi ga Ero Sugite Kateinai Furin~
Aniyome ni Sasowarete ~Gishi ga Ero Sugite Kateinai Furin~
NAN%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Remote-controlled Vibrator
  • Only Non-Virgin Heroines
  • Reverse Missionary
  • Urination Fetish
Rating 6.2522 Users
Tap~puri Ijitte Ageru♪ ~Chiisaku Natte Cool Beauty na Kikyou Onee-chan ni Shiborare Tsukusu Itazura Kozukuri~
Tap~puri Ijitte Ageru♪ ~Chiisaku Natte Cool Beauty na Kikyou Onee-chan ni Shiborare Tsukusu Itazura Kozukuri~
NAN%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Handjob
  • Anilingus
  • Impregnation
Rating 6.3821 Users
Uwaki Tsuma ~Kyonyuu Hitozuma Midare Manshon~
Uwaki Tsuma ~Kyonyuu Hitozuma Midare Manshon~
NAN%
Tags
  • Shimaidon
  • Non-twin Heroine Sisters
  • Homemaker Protagonist
  • Protagonist in Relationship
  • Married Heroine
Rating 6.4824 Users
In
In'en no Yu ~Sandai no Okami-tachi to no Mikkou~
NAN%
Tags
  • Obacon
  • Landlady Heroine
  • In-law Incest
  • Romancing a Family
  • Heroine with Grandchildren
Rating 6.2050 Users
Kanrinin-san wa Miboujin
Kanrinin-san wa Miboujin
41%
Tags
  • Widow Heroine
  • Oneesan-type Heroine
  • Short Sexual Scenes
  • Twin Boobjob
  • Condoms
Rating 6.5326 Users
Ecchi na Onee-san ga Home Helper ni Nattara ~Kyonyuu de Kirei na Onee-san ga Tsukushite Agechau~
Ecchi na Onee-san ga Home Helper ni Nattara ~Kyonyuu de Kirei na Onee-san ga Tsukushite Agechau~
38%
Tags
  • Mother/Son Romance
  • Protagonist's Blood-related Mother as a Heroine
  • Clothed Male Naked Female
  • Mother Support Character
  • Blood-related Mother/Son Incest
Rating 5.9026 Users
Boku no Seiso na Mama ga, Konna ni Inran na Wake ga Nai! ~Bitch Mama to no Futekisetsu na Kankei~
Boku no Seiso na Mama ga, Konna ni Inran na Wake ga Nai! ~Bitch Mama to no Futekisetsu na Kankei~
38%
Tags
  • Half-orphan Protagonist
  • Blood-related Mother/Son Incest
  • Protagonist's Blood-related Mother as a Heroine
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 5.4033 Users
Kuzu Oyaji to Wakarerarenai Haha o Aiyoku Ryakudatsu ~Semarare, Aisare, Netorareru~
Kuzu Oyaji to Wakarerarenai Haha o Aiyoku Ryakudatsu ~Semarare, Aisare, Netorareru~
37%
Tags
  • Jealousy
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Vaginal + Anal Object Insertion
  • Nursing Handjob
Rating 6.4339 Users
Immoral Joubo Hazard
Immoral Joubo Hazard
35%
Tags
  • Heroine with Old-style Bloomers
  • Sex with Sleepers
  • Blood-related Mother/Son Incest
  • Consensual Phone Sex
  • Incest
Rating 6.1222 Users
Milk Junkie 2
Milk Junkie 2
34%
Tags
  • Shimaidon Ending
  • Blood-related Sister/Sister Incest
  • Big Breast Sizes Heroine
  • Soapy Massage
  • Changeable Font
Rating 7.5924 Users
Aniyome Oyako
Aniyome Oyako
32%
Tags
  • Masturbation Involving Food
  • Romancing a Family
  • In-law Incest
  • Body Food
  • Protagonist's Sister-in-Law as a Heroine
Rating 6.4836 Users
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
32%
Tags
  • Widow Heroine
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Mother/Son Romance
  • Netori
Rating 6.8960 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~
32%
Tags
  • Protagonist's Son as a Hero
  • Pornography
  • Protagonist with Big Breasts
  • Only Blood-related Heroines
  • Modern Day Japan
Rating 5.9141 Users
Miboujin Sanae "Watashi ga Hajimete de Ii no......?"
Miboujin Sanae "Watashi ga Hajimete de Ii no......?"
31%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Heroine with Inverted Nipples
  • Alcoholism
  • Female Protagonist for a Short Time
  • Blood-related Mother/Son Incest
Rating 7.3489 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~
31%
Tags
  • In-law Incest
  • Non-blood-related Father/Daughter Incest
  • Netori
  • Protagonist with Children
  • Onsen
Rating 6.3520 Users
Imouto no Chuunibyou to NEET o Naosu no wa, Ore no xx Dake tte Maji?
Imouto no Chuunibyou to NEET o Naosu no wa, Ore no xx Dake tte Maji?
30%
Tags
  • Forbidden Love
  • Chuunibyou Heroine
  • Brother/Sister Romance
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
Rating 5.6521 Users
Tap~puri Ijitte Ageru♪ ~Chiisaku Natte Cool Beauty na Kikyou Onee-chan ni Shiborare Tsukusu Itazura Kozukuri~
Tap~puri Ijitte Ageru♪ ~Chiisaku Natte Cool Beauty na Kikyou Onee-chan ni Shiborare Tsukusu Itazura Kozukuri~
29%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Handjob
  • Anilingus
  • Impregnation
Rating 6.3821 Users
In
In'en no Yu ~Sandai no Okami-tachi to no Mikkou~
29%
Tags
  • Obacon
  • Landlady Heroine
  • In-law Incest
  • Romancing a Family
  • Heroine with Grandchildren
Rating 6.2050 Users
Amai Seikatsu -Saikou no Gibo to Saikou no Gishimai-
Amai Seikatsu -Saikou no Gibo to Saikou no Gishimai-
28%
Tags
  • Non-blood-related Incest
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Brother/Sister Incest
  • Protagonist's Non-blood-related Sister as a Heroine
Rating 7.3330 Users
Furin Kazoku ~Goriyou wa Keikakuteki ni~
Furin Kazoku ~Goriyou wa Keikakuteki ni~
28%
Tags
  • Reverse Netorare
  • Heroine with Beauty Mark
  • Avoidable Netorare (obsolete)
  • Romancing a Family
  • In-law Incest
Rating 7.2224 Users
Neko no Onee-chan ga Oshiete Kureta Koto
Neko no Onee-chan ga Oshiete Kureta Koto
28%
Tags
  • Shotacon
  • Catgirl Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Skin Color Selection
Rating 6.8423 Users
Toshishita Gentei Nuki x2 Share-house ~Shiborare Kyoudou Seikatsu~
Toshishita Gentei Nuki x2 Share-house ~Shiborare Kyoudou Seikatsu~
28%
Tags
  • Share House
  • Dormitory Manager Protagonist
  • Summer
  • Masochist Protagonist
  • Kneepit Sex
Rating 6.7239 Users
Shuukatsu!
Shuukatsu!
28%
Tags
  • School Nurse Heroine
  • Protagonist as the Only Male
  • Long Sexual Scenes
  • Highly Animated Sprites
  • Gynophobic/Androphobic Protagonist
Rating 6.8521 Users
Himegoto-Ai ~Hameru Oyako no Kimochi Yosa~
Himegoto-Ai ~Hameru Oyako no Kimochi Yosa~
28%
Tags
  • Mother/Son Romance
  • Protagonist's Older Sister as a Heroine
  • Brother/Sister Romance
  • Palace
  • Royal Protagonist
Rating 6.3736 Users
Ikenai Kozukuri ~Shin
Ikenai Kozukuri ~Shin'yuu no Okaa-san ni Tanetsuke Shimakuru Isshuukan~
28%
Tags
  • No "Keep Voice on Click" Option
  • Netori
  • Infidelity
  • Impregnation
  • Married Heroine
Rating 6.9149 Users
Milk Junkie
Milk Junkie
27%
Tags
  • Oyakodon Ending
  • Blood-related Mother/Daughter Incest
  • Big Breast Sizes Heroine
  • Tribadism on Penis
  • Heroine's Mother as a Heroine
Rating 7.3439 Users
Meimon Joshikou Ryokou ~Ore Dake Otoko Nandesu ga!?~
Meimon Joshikou Ryokou ~Ore Dake Otoko Nandesu ga!?~
27%
Tags
  • Trap Protagonist
  • All-girls School
  • Single Buttjob
  • Half-Japanese Heroine
  • Only Virgin Heroines
Rating 7.0724 Users
Isekai Monmusu Sensation - Monmusu Sensei to Manabu H na Renai Gaku
Isekai Monmusu Sensation - Monmusu Sensei to Manabu H na Renai Gaku
27%
Tags
  • Doggirl Heroine
  • Rimming Handjob
  • Dragon Heroine
  • Tailjob
  • Group Sex with Clones
Rating 6.9633 Users

Immoral Lovers ~Yome ya Gifu ni wa Ienai Katei no Jouji~ 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 (21 total)

NameScoreImportanceWeight
Mother/Daughter Incest2.002.685.36
Protagonist's Sister-in-Law as a Heroine2.002.384.75
Oyakodon Ending2.001.993.98
Single Buttjob2.001.983.96
Heroine's Mother as a Heroine2.001.853.70
Early Sexual Content3.001.223.67
Pregnancy2.001.523.05
Infidelity2.001.503.01
Perverted Heroine2.001.392.79
Intercrural Sex2.001.342.69
Bathroom Sex2.001.192.37
Pregnant Sex2.001.182.35
Standing Sex2.001.052.11
Naked Sprites2.001.052.10
Outdoor Sex2.001.001.99
Missionary Position2.000.941.88
Group Sex of One Male and Several Females2.000.921.83
Heroine with Big Breasts2.000.841.68
Nukige2.000.651.30
Male Protagonist2.000.300.60
ADV2.000.140.29

Traits (67 total)

NameCharactersImportanceWeight
Discreet Sex Engages in (Sexual)31.852.57
Housewife Role22.312.53
Closet Pervert Personality22.162.38
Masturbation with Water Engages in (Sexual)13.042.11
Infidelity Engages in21.801.97
Buttjob Subject of (Sexual)12.781.93
Bathroom Sex Engages in (Sexual)31.391.92
Sex in Water Engages in (Sexual)21.561.72
Group Sex Engages in (Sexual)21.511.66
Buttjob Engages in (Sexual)12.391.66
Group Sex of One Male and Several Females Engages in (Sexual)31.171.63
Incest Engages in (Sexual)21.471.61
Outdoor Sex Engages in (Sexual)31.161.60
Family Oriented Personality12.311.60
Intercrural Sex Subject of (Sexual)12.281.58
Footjob Subject of (Sexual)12.181.51
Docile Personality12.041.42
Yamato Nadeshiko Role12.001.38
Sex in Public Places Engages in (Sexual)21.261.38
Curious Personality11.921.33
Quickie Fix Engages in (Sexual)11.881.30
Short (obsolete) Body11.871.30
Standing Sex Engages in (Sexual)11.871.29
Standing Sex Subject of (Sexual)21.181.29
Intercrural Sex Engages in (Sexual)11.841.28
Handjob Engages in (Sexual)21.161.27
Sitting Sex Engages in (Sexual)11.821.26
Husband Role11.801.25
Handjob Subject of (Sexual)11.751.21
Missionary Engages in (Sexual)11.741.21
Cheerful Personality11.741.20
Footjob Engages in (Sexual)11.721.19
Quickie Fix Subject of (Sexual)21.081.19
Vaginal Fingering Subject of (Sexual)21.081.19
Doggy Style Engages in (Sexual)11.681.17
Stubborn Personality11.671.16
Father Role11.671.15
Garnet Eyes11.661.15
Shy Personality11.621.12
Vaginal Fingering Engages in (Sexual)11.621.12
Black Hair30.801.12
Cunnilingus Engages in (Sexual)11.551.08
Refined Personality11.541.07
Blowjob Subject of (Sexual)11.521.05
Energetic Personality11.521.05
Seventh Posture Subject of (Sexual)11.461.01
Mother Role11.461.01
Daughter Role11.451.01
Masturbation Engages in (Sexual)11.390.97
Adult Body11.340.93
Blue Hair11.190.83
Ribbon Hair Tie Clothes11.190.83
Cunnilingus Subject of (Sexual)11.160.81
Big Breasts Body11.130.78
Missionary Subject of (Sexual)11.120.77
Ponytail Hair11.100.76
Sitting Sex Subject of (Sexual)11.060.74
Thigh-high Stockings Clothes11.040.72
Doggy Style Subject of (Sexual)10.920.64
Shoulder-length Hair10.920.64
Slim Body20.580.63
Waist Length+ Hair10.810.56
Blowjob Engages in (Sexual)10.760.53
Brown Hair10.680.47
Teen Body10.620.43
Pale Body20.370.40
10.000.00