Loading
Please wait

Summary

Kashima Takeo visits his wife's family home with their newborn baby during the Golden Week holidays. After dinner, he goes to the restroom and notices that the door to his in-laws' bedroom is slightly open. Curious, he peeks inside and sees his mother-in-law touching herself. His wife has gone to bed with the baby, and his father-in-law is too drunk to notice anything. Takeo becomes aroused and sneaks into the room to touch her. They engage in sexual activity while his father-in-law is asleep in the same room.

Tsuma no Haha to no Haitoku Inkan ~Okaa-san, Nyoubou to Suru yori Koufun Suru yo~
Tsuma no Haha to no Haitoku Inkan ~Okaa-san, Nyoubou to Suru yori Koufun Suru yo~
NAN%
Tags
  • In-law Incest
  • Discreet Sex
  • Netori
  • Infidelity
  • Only Adult Heroines
Rating 6.3642 Users
Stopping!!! 10 Honoo no Athlete Hen
Stopping!!! 10 Honoo no Athlete Hen
NAN%
Tags
  • Time Stop
  • Chubby Protagonist
  • Ugly Protagonist
  • Unavoidable Rape
  • Rapist Protagonist
Rating 5.9722 Users
Stealth Yarou
Stealth Yarou
NAN%
Tags
  • Invisibility
  • Flat Tints Only
  • Kinetic Novel
  • Sex in Public Places
  • Only a Single Heroine
Rating 6.7522 Users
Ai Suru Tsuma ga Me no Mae de Tanin Bou ni Tsuranukare, Yogari Aeide Iku. Gomennasai Anata. Demo, Watashi Kimochi Ii no...
Ai Suru Tsuma ga Me no Mae de Tanin Bou ni Tsuranukare, Yogari Aeide Iku. Gomennasai Anata. Demo, Watashi Kimochi Ii no...
NAN%
Tags
  • Nameable Heroine(s)
  • Female Protagonist for a Short Time
  • Confinement
  • Protagonist in Relationship
  • Married Heroine
Rating 6.3941 Users
Hitozuma Saimin Counseling
Hitozuma Saimin Counseling
NAN%
Tags
  • Sexual Roleplay
  • Protagonist with Sexual Experience
  • Netori
  • Unlockable Harem Ending
  • Erotic Mind Control
Rating 6.4839 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 Older Heroines
  • Only Blood-related Heroines
  • Blood-related Mother/Son Incest
  • Only Non-Virgin Heroines
Rating 6.2932 Users
Harem Mate
Harem Mate
NAN%
Tags
  • Realtime 3D
  • Free Camera
  • Manager Protagonist
  • Anime-looking 3D
  • Idol Heroine
Rating 6.0126 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
  • Gang Bang
Rating 6.2622 Users
Ore no Onshi wa Kuso Bitch
Ore no Onshi wa Kuso Bitch
NAN%
Tags
  • Flat Tints Only
  • Student-Teacher Romance
  • Prostitution
  • Consensual Group Sex of One Female and Several Males
  • Sex Involving Prostitution
Rating 5.9834 Users
Yuuwaku no Danchizuma-tachi ~Kairaku ni Oboreru Ureta Niku~
Yuuwaku no Danchizuma-tachi ~Kairaku ni Oboreru Ureta Niku~
NAN%
Tags
  • Obacon
  • Harem Ending with Theme
  • Apartment Building
  • Only Older Heroines
  • Completion Status Indicator
Rating 6.2827 Users
Papa to Namaiki Musume no Saimin Soukan ~Tsuma ni wa Himitsu no Shitsukekata~
Papa to Namaiki Musume no Saimin Soukan ~Tsuma ni wa Himitsu no Shitsukekata~
NAN%
Tags
  • Protagonist's Blood-related Daughter as a Heroine
  • Blood-related Father/Daughter Incest
  • Erotic Mind Control
  • Protagonist with Children
  • Only Blood-related Heroines
Rating 6.0222 Users
Hitozuma Yokujou Saimin
Hitozuma Yokujou Saimin
NAN%
Tags
  • Erotic Mind Control
  • Discreet Phone Sex
  • Netori
  • Arrogant Heroine
  • Gyaru Heroine
Rating 6.2826 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 6.3728 Users
Binkan Athlete "So, Soko Dame! ...Oshio Fuichau!"
Binkan Athlete "So, Soko Dame! ...Oshio Fuichau!"
NAN%
Tags
  • Figure Skater Heroine
  • Sports
  • Athlete Heroine
  • Massage Therapist Protagonist
  • Fingering
Rating 6.9426 Users
Mama Ane Saimin ~Gokinjo no Yokkyuu Fuman Celeb to Kairaku Ochi Ojou-sama~
Mama Ane Saimin ~Gokinjo no Yokkyuu Fuman Celeb to Kairaku Ochi Ojou-sama~
NAN%
Tags
  • Oyakodon
  • Heroine's Mother as a Heroine
  • Erotic Mind Control
  • Changeable Font
  • University Student Heroine
Rating 6.1331 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 6.1435 Users
Stopping!!! 3 Reaction mo Aru yo Gakuen Hen
Stopping!!! 3 Reaction mo Aru yo Gakuen Hen
NAN%
Tags
  • Time Stop
  • Chubby Protagonist
  • Ugly Protagonist
  • Unavoidable Rape
  • Protagonist with Glasses
Rating 5.8524 Users
Zetsurin Yandere Haha ~Musuko no Kyokonburi ni Teisou ga Yoromeku~
Zetsurin Yandere Haha ~Musuko no Kyokonburi ni Teisou ga Yoromeku~
NAN%
Tags
  • Protagonist's Son as a Hero
  • Mother/Son Romance
  • Forbidden Love
  • Protagonist as the Only Female
  • Blood-related Mother/Son Incest
Rating 6.2626 Users
Joshikousei Kyouhaku Inkou Nisshi ~Nakayoshi Kyonyuu Pet Kyousei Zecchou Akume Ochi~
Joshikousei Kyouhaku Inkou Nisshi ~Nakayoshi Kyonyuu Pet Kyousei Zecchou Akume Ochi~
NAN%
Tags
  • Blackmail
  • School
  • Teacher Protagonist
  • Sexual Slavery
  • Ejaculation Choice
Rating 6.3623 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
  • Impregnation
  • Remote-controlled Vibrator
Rating 6.5725 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
Netori Gakuen ~Kareshi Mochi Demo Okamainashi! Yaritai Houdai ADV~
Netori Gakuen ~Kareshi Mochi Demo Okamainashi! Yaritai Houdai ADV~
NAN%
Tags
  • Heroine in Relationship with Other(s)
  • Protagonist with Phimosis
  • Arrogant Heroine
  • Student Council Member Heroine
  • Netori
Rating 6.3646 Users
Joushi no Tsuma wa, Motokano Deshita ~Iyagari nagara mo, Makura Eigyou ni Oborete Iku After 5~
Joushi no Tsuma wa, Motokano Deshita ~Iyagari nagara mo, Makura Eigyou ni Oborete Iku After 5~
NAN%
Tags
  • Casting Couch
  • Protagonist's Ex as a Heroine
  • Sex in an Office
  • Office
  • Office Lady Heroine
Rating 5.58189 Users
Inshuu Mekage Mura ~Hogami Oba-san no Himitsu~
Inshuu Mekage Mura ~Hogami Oba-san no Himitsu~
NAN%
Tags
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Countryside
Rating 6.1226 Users
Anata to Mita Sakura ~Shimaizuma~
Anata to Mita Sakura ~Shimaizuma~
51%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Hetare Protagonist
  • Pantyjob
  • Widow Heroine
  • Heroine with Kimono
Rating 6.7720 Users
Ai Suru Tsuma, Nagisa no Uwaki Kokuhaku Okuyukashii Tsuma no Karada ga, Aitsu no Geki Piston de Torokete Ita Shinjitsu
Ai Suru Tsuma, Nagisa no Uwaki Kokuhaku Okuyukashii Tsuma no Karada ga, Aitsu no Geki Piston de Torokete Ita Shinjitsu
47%
Tags
  • Glasses Option
  • Unavoidable Netorare
  • Netorare Type A
  • Married Heroine
  • Kissing Scene
Rating 6.7726 Users
Binkan Athlete "So, Soko Dame! ...Oshio Fuichau!"
Binkan Athlete "So, Soko Dame! ...Oshio Fuichau!"
44%
Tags
  • Figure Skater Heroine
  • Sports
  • Athlete Heroine
  • Massage Therapist Protagonist
  • Fingering
Rating 6.9426 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~
44%
Tags
  • Netorase
  • Mother/Son Incest
  • Fisting
  • Blood-related Incest
  • Pregnancy Bad Ending
Rating 6.3728 Users
Hitozuma Yokujou Saimin
Hitozuma Yokujou Saimin
41%
Tags
  • Erotic Mind Control
  • Discreet Phone Sex
  • Netori
  • Arrogant Heroine
  • Gyaru Heroine
Rating 6.2826 Users
Yuuwaku no Danchizuma-tachi ~Kairaku ni Oboreru Ureta Niku~
Yuuwaku no Danchizuma-tachi ~Kairaku ni Oboreru Ureta Niku~
40%
Tags
  • Obacon
  • Harem Ending with Theme
  • Apartment Building
  • Only Older Heroines
  • Completion Status Indicator
Rating 6.2827 Users
Papa to Namaiki Musume no Saimin Soukan ~Tsuma ni wa Himitsu no Shitsukekata~
Papa to Namaiki Musume no Saimin Soukan ~Tsuma ni wa Himitsu no Shitsukekata~
37%
Tags
  • Protagonist's Blood-related Daughter as a Heroine
  • Blood-related Father/Daughter Incest
  • Erotic Mind Control
  • Protagonist with Children
  • Only Blood-related Heroines
Rating 6.0222 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~
36%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Gang
  • Erotic Mind Control
  • Married Heroine
  • Gang Bang
Rating 6.2622 Users
Ore no Onshi wa Kuso Bitch
Ore no Onshi wa Kuso Bitch
35%
Tags
  • Flat Tints Only
  • Student-Teacher Romance
  • Prostitution
  • Consensual Group Sex of One Female and Several Males
  • Sex Involving Prostitution
Rating 5.9834 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!~
34%
Tags
  • Heroine with Children
  • Protagonist with Phimosis
  • Protagonist with Glasses
  • Only Adult Heroines
  • Single Ending
Rating 6.1435 Users
Zetsurin Yandere Haha ~Musuko no Kyokonburi ni Teisou ga Yoromeku~
Zetsurin Yandere Haha ~Musuko no Kyokonburi ni Teisou ga Yoromeku~
33%
Tags
  • Protagonist's Son as a Hero
  • Mother/Son Romance
  • Forbidden Love
  • Protagonist as the Only Female
  • Blood-related Mother/Son Incest
Rating 6.2626 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~
32%
Tags
  • Heroine in Relationship with Other(s)
  • Blackmail
  • Netori
  • Impregnation
  • Remote-controlled Vibrator
Rating 6.5725 Users
Netori Gakuen ~Kareshi Mochi Demo Okamainashi! Yaritai Houdai ADV~
Netori Gakuen ~Kareshi Mochi Demo Okamainashi! Yaritai Houdai ADV~
32%
Tags
  • Heroine in Relationship with Other(s)
  • Protagonist with Phimosis
  • Arrogant Heroine
  • Student Council Member Heroine
  • Netori
Rating 6.3646 Users
Inshuu Mekage Mura ~Hogami Oba-san no Himitsu~
Inshuu Mekage Mura ~Hogami Oba-san no Himitsu~
31%
Tags
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Countryside
Rating 6.1226 Users
Hitozuma Onna Kyoushi Seiyoku no Kyoushitsu 2
Hitozuma Onna Kyoushi Seiyoku no Kyoushitsu 2
31%
Tags
  • Heroine with Children
  • Heroine with Pubic Hair
  • Oyakodon Ending
  • Big Ass Heroine
  • Sexual Cosplay
Rating 6.2921 Users
Kashidashi Tsuma, Marina no "Netorase" Houkoku Gaiden 1 -Joshikousei, Marina no Seikan Kaihatsu-
Kashidashi Tsuma, Marina no "Netorase" Houkoku Gaiden 1 -Joshikousei, Marina no Seikan Kaihatsu-
31%
Tags
  • Only a Single Hero
  • Condoms
  • Kissing Scene
  • Sitting Sex
  • Only a Single Heroine
Rating 6.8947 Users
Ore no Imouto wa, Tsundere de Hentai Deshita ~Onii-chan no Mae de Dake nan Dakara ne!~
Ore no Imouto wa, Tsundere de Hentai Deshita ~Onii-chan no Mae de Dake nan Dakara ne!~
30%
Tags
  • Glasses Option
  • Blood-related Brother/Sister Incest
  • Buttjob
  • Single Buttjob
  • Modern Tsundere Heroine
Rating 5.9720 Users
Beppin Mama Omnibus
Beppin Mama Omnibus
30%
Tags
  • Obacon
  • Otaku Friend
  • Heroine with Armpit Hair
  • Blood-related Mother/Son Incest
  • Shotacon
Rating 6.6728 Users
Onee-chan Hunters! Boku-tachi o Koufun Saseru Onee-chan ga Waruinda! Tokonatsu Beach Hen
Onee-chan Hunters! Boku-tachi o Koufun Saseru Onee-chan ga Waruinda! Tokonatsu Beach Hen
30%
Tags
  • Obacon
  • Lifeguard Heroine
  • Rape by Shota
  • Beach
  • Sex on a Beach
Rating 6.4829 Users
Shimai x Saimin ~Zettai Fukujuu, Ore ga Zutto Ou-sama~
Shimai x Saimin ~Zettai Fukujuu, Ore ga Zutto Ou-sama~
29%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Erotic Mind Control
  • Mind Control
  • Non-twin Heroine Sisters
  • Blood-related Brother/Sister Incest
Rating 6.4569 Users
Akatoki 2! -Tsumugu Mahou to Koboreru Hikari-
Akatoki 2! -Tsumugu Mahou to Koboreru Hikari-
28%
Tags
  • Strip Game
  • Turn-Based Strategy
  • Clothing Damage
  • Naizuri
  • Combat Capable Friends
Rating 7.1124 Users
Muchimuchi Dekapai Marakui Okitsune-sama & Otanuki-sama to Noukou Koubi Shimakuri Hame Pako Inaka Gurashi.
Muchimuchi Dekapai Marakui Okitsune-sama & Otanuki-sama to Noukou Koubi Shimakuri Hame Pako Inaka Gurashi.
28%
Tags
  • Short Heroine
  • Mangaka Protagonist
  • Heroine with Eye Covering Hairstyle
  • Chubby Protagonist
  • Dark Skinned Heroine
Rating 6.6372 Users
Torikago no Hime ~Zettai Ninshin no Shimai Etsujoku~
Torikago no Hime ~Zettai Ninshin no Shimai Etsujoku~
27%
Tags
  • Protagonist's Older Sister as a Heroine
  • Cousin Incest
  • Protagonist's Full Sister as a Heroine
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Cousin as a Heroine
Rating 6.4127 Users
Kashidashi Tsuma, Marina no "Netorase" Houkoku Gaiden 2 -OL Marina no Doutei Choukyou-
Kashidashi Tsuma, Marina no "Netorase" Houkoku Gaiden 2 -OL Marina no Doutei Choukyou-
27%
Tags
  • Flashback
  • Office Lady Heroine
  • Condoms
  • Production of Pornography (Amateur)
  • Kinetic Novel
Rating 7.1244 Users

Hatsujou Inbo ~Uzuku Jukutai wa, Sono Yokujou o Osaekirenai~ 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 (45 total)

NameScoreImportanceWeight
Daughter Support Character2.002.585.17
Quickie2.002.575.15
Clothed Female Naked Male2.002.234.47
Protagonist's Non-blood-related Mother as a Heroine2.002.164.32
Clothed Male Naked Female2.002.074.13
Onsen2.002.064.11
Mirror Sex2.002.024.05
Discreet Phone Sex2.002.004.00
Oyakodon Ending2.001.983.95
Hidden Vibrator2.001.673.34
Discreet Sex2.001.603.20
Netori2.001.583.17
Infidelity2.001.533.06
Fingering2.001.492.98
Spoons2.001.482.97
Masturbation2.001.462.91
Protagonist in Relationship2.001.452.91
Background Moans2.001.432.85
Married Heroine2.001.412.82
Few Choices2.001.342.68
Intercrural Sex2.001.332.67
Boobjob2.001.292.58
Sounds of Copulation2.001.272.55
Big Breast Sizes Heroine2.001.272.54
Lactation During Sex2.001.252.49
Heroine with Sexual Experience2.001.222.45
Early Sexual Content2.001.222.43
Bathroom Sex2.001.182.37
Vibrators2.001.142.28
Adult Heroine2.001.132.26
Quickie Fix Position2.001.112.21
Blowjob2.001.082.17
Sex in Public Places2.001.072.15
Group Sex of One Female and Several Males2.001.062.12
Adult Protagonist2.001.042.08
Outdoor Sex2.000.991.97
Missionary Position2.000.931.86
Cowgirl2.000.831.65
Doggy Style2.000.791.58
Multiple Endings2.000.661.32
Nukige2.000.641.29
Sexual Content2.000.611.22
Male Protagonist2.000.300.60
ADV2.000.140.29
2.000.000.00

Traits (4 total)

NameCharactersImportanceWeight
Blouse Clothes11.481.03
Brown Eyes10.900.63
Young-adult Body10.770.54
Brown Hair10.680.47