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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.

Nuppunupu Oyako Mix!! ~Double Oyako to Lovelove Pension Seikatsu~
Nuppunupu Oyako Mix!! ~Double Oyako to Lovelove Pension Seikatsu~
NAN%
Tags
  • Single Hole Multiple Objects Insertion (obsolete)
  • Sex Involving Food
  • Otaku Protagonist
  • Vaginal + Anal Object Insertion
  • Heroine with Tan Lines
Rating 7.2236 Users
God Sisters
God Sisters
NAN%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Protagonist's Non-blood-related Sister as a Heroine
  • Ejaculation Forewarner
  • Background Moans
  • Heroine with a Fang
Rating 6.7337 Users
Selfre -Self Friend-
Selfre -Self Friend-
NAN%
Tags
  • Charming Protagonist
  • Photographer Protagonist
  • Photographer Heroine
  • Heroine with Pre-story Virginity Loss to the Protagonist
  • Student Club Member Protagonist
Rating 7.4246 Users
Sispaco ~H na Amakara 4 Shimai~
Sispaco ~H na Amakara 4 Shimai~
NAN%
Tags
  • Protagonist's Older Sister as a Heroine
  • Single Legjob
  • Heroine with Gigantic Breasts
  • Non-blood-related Sister/Sister Incest
  • Protagonist's Younger Sister as a Heroine
Rating 6.9051 Users
Koi wa Mofumofu! Love Me Teddy
Koi wa Mofumofu! Love Me Teddy
NAN%
Tags
  • Shapeshifting
  • Yandere Heroine
  • Heroine with Tights
  • Otaku Heroine
  • Modern Tsundere Heroine
Rating 6.9622 Users
Aneimo Neo ~Second Sisters~
Aneimo Neo ~Second Sisters~
NAN%
Tags
  • Protagonist's Aunt as a Heroine
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Romancing a Family
  • Oneesan-type Heroine
Rating 7.0836 Users
Juku Chichi ~Mama no Karada wa Boku Sen
Juku Chichi ~Mama no Karada wa Boku Sen'you
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Rounin Protagonist
  • Only Older Heroines
  • Only Blood-related Heroines
  • Naked Heroine with Apron
Rating 6.5736 Users
In
In'en no Yu ~Sandai no Okami-tachi to no Mikkou~
NAN%
Tags
  • Obacon
  • Landlady Heroine
  • Non-blood-related Incest
  • Romancing a Family
  • Heroine with Grandchildren
Rating 6.3048 Users
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Widow Heroine
  • Mother/Son Romance
  • Blood-related Mother/Son Incest
  • Netori
Rating 6.8959 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 7.3783 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 6.3934 Users
Milk Junkie 2
Milk Junkie 2
NAN%
Tags
  • Shimaidon Ending
  • Blood-related Sister/Sister Incest
  • Big Breast Sizes Heroine
  • University Student Heroine
  • Protagonist with Glasses
Rating 7.6725 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 Older Heroines
  • Only Blood-related Heroines
Rating 5.4133 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 6.1920 Users
GRAND LIBRA ACADEMY
GRAND LIBRA ACADEMY
NAN%
Tags
  • Magic School
  • Onmyouji Heroine
  • Russian Heroine
  • Werewolf
  • Maou Heroine
Rating 6.4330 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
  • Protagonist's Full Sister as a Heroine
  • Protagonist's Younger Sister as a Heroine
  • Brother/Sister Romance
Rating 5.7021 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
  • Only Older Heroines
  • Only Blood-related Heroines
  • Incest
Rating 6.2220 Users
Meimon Joshikou Ryokou ~Ore Dake Otoko Nandesu ga!?~
Meimon Joshikou Ryokou ~Ore Dake Otoko Nandesu ga!?~
NAN%
Tags
  • Trap Protagonist
  • Single Buttjob
  • All-girls School
  • Half-Japanese Heroine
  • Only Virgin Heroines
Rating 7.1022 Users
Keiyaku Kanojo ~Shinmai Kanojo to Hajimeru, Tottemo H de Pure na Ren
Keiyaku Kanojo ~Shinmai Kanojo to Hajimeru, Tottemo H de Pure na Ren'ai Lesson~
NAN%
Tags
  • Sudden Girlfriend Appearance
  • Perverted Friend
  • Protagonist's Girlfriend as a Heroine
  • Time Travel
  • Super Deformed CG's
Rating 6.5920 Users
Amai Seikatsu -Saikou no Gibo to Saikou no Gishimai-
Amai Seikatsu -Saikou no Gibo to Saikou no Gishimai-
NAN%
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 7.3228 Users
Musuko no Tame nara Midara ni Nareru Haha
Musuko no Tame nara Midara ni Nareru Haha
NAN%
Tags
  • Protagonist's Son as a Hero
  • Blood-related Mother/Son Incest
  • Protagonist's Blood-related Mother as a Heroine
  • Infidelity
  • Protagonist Selection
Rating 6.9648 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 5.9639 Users
Mama-Haha 2
Mama-Haha 2
NAN%
Tags
  • Aunt/Nephew Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Mother/Son Incest
  • Swimming Club
  • Pillow Talk
Rating 7.6989 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 6.4322 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~
41%
Tags
  • Mother/Son Romance
  • Protagonist's Blood-related Mother as a Heroine
  • Mother Support Character
  • Clothed Male Naked Female
  • Blood-related Mother/Son Incest
Rating 5.9226 Users
Kanrinin-san wa Miboujin
Kanrinin-san wa Miboujin
41%
Tags
  • Widow Heroine
  • Short Sexual Scenes
  • Oneesan-type Heroine
  • Twin Boobjob
  • Condoms
Rating 6.4426 Users
Immoral Joubo Hazard
Immoral Joubo Hazard
38%
Tags
  • Heroine with Old-style Bloomers
  • Sex with Sleepers
  • Blood-related Mother/Son Incest
  • Consensual Phone Sex
  • Incest
Rating 6.1920 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 Older Heroines
  • Only Blood-related Heroines
Rating 5.4133 Users
Milk Junkie 2
Milk Junkie 2
34%
Tags
  • Shimaidon Ending
  • Blood-related Sister/Sister Incest
  • Big Breast Sizes Heroine
  • University Student Heroine
  • Protagonist with Glasses
Rating 7.6725 Users
Miboujin Sanae "Watashi ga Hajimete de Ii no......?"
Miboujin Sanae "Watashi ga Hajimete de Ii no......?"
33%
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 7.3783 Users
Aniyome Oyako
Aniyome Oyako
33%
Tags
  • Masturbation Involving Food
  • Romancing a Family
  • In-law Incest
  • Body Food
  • Protagonist's Sister-in-Law as a Heroine
Rating 6.3934 Users
In
In'en no Yu ~Sandai no Okami-tachi to no Mikkou~
32%
Tags
  • Obacon
  • Landlady Heroine
  • Non-blood-related Incest
  • Romancing a Family
  • Heroine with Grandchildren
Rating 6.3048 Users
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
32%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Widow Heroine
  • Mother/Son Romance
  • Blood-related Mother/Son Incest
  • Netori
Rating 6.8959 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?
31%
Tags
  • Forbidden Love
  • Chuunibyou Heroine
  • Protagonist's Full Sister as a Heroine
  • Protagonist's Younger Sister as a Heroine
  • Brother/Sister Romance
Rating 5.7021 Users
Meimon Joshikou Ryokou ~Ore Dake Otoko Nandesu ga!?~
Meimon Joshikou Ryokou ~Ore Dake Otoko Nandesu ga!?~
31%
Tags
  • Trap Protagonist
  • Single Buttjob
  • All-girls School
  • Half-Japanese Heroine
  • Only Virgin Heroines
Rating 7.1022 Users
Amai Seikatsu -Saikou no Gibo to Saikou no Gishimai-
Amai Seikatsu -Saikou no Gibo to Saikou no Gishimai-
31%
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 7.3228 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~
30%
Tags
  • Protagonist's Son as a Hero
  • Pornography
  • Protagonist with Big Breasts
  • Only Blood-related Heroines
  • Modern Day Japan
Rating 5.9639 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 6.4322 Users
Toshishita Gentei Nuki x2 Share-house ~Shiborare Kyoudou Seikatsu~
Toshishita Gentei Nuki x2 Share-house ~Shiborare Kyoudou Seikatsu~
29%
Tags
  • Share House
  • Dormitory Manager Protagonist
  • Summer
  • Masochist Protagonist
  • Kneepit Sex
Rating 6.7237 Users
Ikenai Kozukuri ~Shin
Ikenai Kozukuri ~Shin'yuu no Okaa-san ni Tanetsuke Shimakuru Isshuukan~
29%
Tags
  • No "Keep Voice on Click" Option
  • Netori
  • Infidelity
  • Impregnation
  • Married Heroine
Rating 6.9645 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 6.8724 Users
Furin Kazoku ~Goriyou wa Keikakuteki ni~
Furin Kazoku ~Goriyou wa Keikakuteki ni~
28%
Tags
  • Reverse Netorare
  • Heroine with Beauty Mark
  • Romancing a Family
  • In-law Incest
  • Avoidable Netorare (obsolete)
Rating 7.1924 Users
Shuukatsu!
Shuukatsu!
28%
Tags
  • School Nurse Heroine
  • Protagonist as the Only Male
  • Long Sexual Scenes
  • Highly Animated Sprites
  • Gynophobic/Androphobic Protagonist
Rating 6.8821 Users
Milk Junkie
Milk Junkie
28%
Tags
  • Oyakodon Ending
  • Blood-related Mother/Daughter Incest
  • Big Breast Sizes Heroine
  • Heroine's Mother as a Heroine
  • Tribadism on Penis
Rating 7.3639 Users
Mama Goto
Mama Goto
27%
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 6.7027 Users
Himegoto-Ai ~Hameru Oyako no Kimochi Yosa~
Himegoto-Ai ~Hameru Oyako no Kimochi Yosa~
27%
Tags
  • Mother/Son Romance
  • Protagonist's Older Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
  • Brother/Sister Romance
  • Palace
Rating 6.4434 Users
Wagamama Milk DE Shite Ageru ~Ecchi na Oneesan-tachi to no Dopyudopyu Home Share Seikatsu~
Wagamama Milk DE Shite Ageru ~Ecchi na Oneesan-tachi to no Dopyudopyu Home Share Seikatsu~
27%
Tags
  • Group (4+) Boobjob
  • Foreskin Play
  • Blood-related Cousin Incest
  • Oneesan-type Heroine
  • Nursing Handjob
Rating 7.2851 Users
Koitsuma Biyori ~Yukino-san wa Hitozuma Kanrinin~
Koitsuma Biyori ~Yukino-san wa Hitozuma Kanrinin~
26%
Tags
  • Divorcee Heroine
  • Apartment Building
  • Track Display
  • University Student Protagonist
  • Heroine with Children
Rating 7.0944 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 (20 total)

NameScoreImportanceWeight
Mother/Daughter Incest2.002.675.33
Protagonist's Sister-in-Law as a Heroine2.002.364.72
Single Buttjob2.001.993.97
Oyakodon Ending2.001.983.95
Heroine's Mother as a Heroine2.001.883.76
Early Sexual Content3.001.223.65
Infidelity2.001.533.06
Pregnancy2.001.513.02
Intercrural Sex2.001.332.67
Bathroom Sex2.001.182.37
Pregnant Sex2.001.162.32
Standing Sex2.001.052.09
Naked Sprites2.001.052.09
Outdoor Sex2.000.991.97
Missionary Position2.000.931.86
Group Sex of One Male and Several Females2.000.901.80
Heroine with Big Breasts2.000.891.77
Nukige2.000.641.29
Male Protagonist2.000.300.60
ADV2.000.140.29

Traits (57 total)

NameCharactersImportanceWeight
Discreet Sex Engages in (Sexual)31.872.59
Housewife Role22.322.55
Masturbation with Water Engages in (Sexual)13.042.11
Infidelity Engages in21.832.01
Buttjob Subject of (Sexual)12.811.95
Bathroom Sex Engages in (Sexual)31.401.93
Sex in Water Engages in (Sexual)21.561.71
Buttjob Engages in (Sexual)12.411.67
Group Sex of One Male and Several Females Engages in (Sexual)31.201.66
Incest Engages in (Sexual)21.471.62
Outdoor Sex Engages in (Sexual)31.161.60
Intercrural Sex Subject of (Sexual)12.301.59
Group Sex Engages in (Sexual)21.441.58
Footjob Subject of (Sexual)12.181.51
Sex in Public Places Engages in (Sexual)21.261.39
Quickie Fix Engages in (Sexual)11.901.31
Standing Sex Engages in (Sexual)11.891.31
Standing Sex Subject of (Sexual)21.181.29
Intercrural Sex Engages in (Sexual)11.851.29
Handjob Engages in (Sexual)21.161.28
Sitting Sex Engages in (Sexual)11.841.27
Husband Role11.821.26
Short (obsolete) Body11.801.25
Handjob Subject of (Sexual)11.761.22
Missionary Engages in (Sexual)11.751.21
Vaginal Fingering Subject of (Sexual)21.081.18
Footjob Engages in (Sexual)11.711.18
Quickie Fix Subject of (Sexual)21.081.18
Doggy Style Engages in (Sexual)11.701.18
Father Role11.681.16
Garnet Eyes11.651.14
Vaginal Fingering Engages in (Sexual)11.621.13
Cunnilingus Engages in (Sexual)11.561.08
Blowjob Subject of (Sexual)11.531.06
Daughter Role11.471.02
Mother Role11.471.02
Seventh Posture Subject of (Sexual)11.451.01
Masturbation Engages in (Sexual)11.370.95
Adult Body11.360.94
Black Hair20.810.89
Big Breasts Body11.190.83
Blue Hair11.180.82
Ribbon Hair Tie Clothes11.180.82
Cunnilingus Subject of (Sexual)11.170.81
Missionary Subject of (Sexual)11.110.77
Ponytail Hair11.100.76
Sitting Sex Subject of (Sexual)11.050.73
Thigh-high Stockings Clothes11.030.72
Doggy Style Subject of (Sexual)10.920.64
Shoulder-length Hair10.910.63
Slim Body20.570.63
Waist Length+ Hair10.800.55
Blowjob Engages in (Sexual)10.760.53
Brown Hair10.680.47
Teen Body10.610.42
Pale Body20.370.41
10.000.00