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Summary

Naoki was a regular schoolboy. One day, after reluctantly following his otaku friend around town while not sharing his interest, he spots on a shelf of the game corner an eroge about having sex with your mother. Normally Naoki wasn't interested in such things, but the idea of "mother sex" awakened a deep lust inside of him he didn't know before... Simply the word, "mother", aroused an immoral instinct...

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-
NAN%
Tags
  • In-law Incest
  • Protagonist with Health Issues
  • Traditionalist Family
  • Impregnation by Others
  • Netorare
Rating 6.6439 Users
Demiparadoxia ∞ Hookerstic - Nanka Hen
Demiparadoxia ∞ Hookerstic - Nanka Hen
NAN%
Tags
  • Prostitute Heroine
  • Pubic Hair Option
  • Hotel
  • Customization
  • Sex Involving Prostitution
Rating 6.2928 Users
Kaa-san no Otoko 2 ~Saiai no Haha ni Muragaru Osu~
Kaa-san no Otoko 2 ~Saiai no Haha ni Muragaru Osu~
NAN%
Tags
  • Only Bad Endings
  • Mindbreak
  • Netorare
  • Married Heroine
  • Only Blood-related Heroines
Rating 6.4947 Users
Mama to Boku no Karada no Shikumi Okaa-san ni Chitsunai Shasei Shitara Oyakoukou na Sekai
Mama to Boku no Karada no Shikumi Okaa-san ni Chitsunai Shasei Shitara Oyakoukou na Sekai
NAN%
Tags
  • Elementary School
  • Elementary School Student Protagonist
  • Shotacon Heroine
  • Sex Involving Smegma
  • Child Protagonist
Rating 7.1890 Users
Kyonyuu Shokudou Harami Teishoku ~Ore Dake no Ura Menu!?~
Kyonyuu Shokudou Harami Teishoku ~Ore Dake no Ura Menu!?~
NAN%
Tags
  • Heroine with Huge Breasts
  • Widow Heroine
  • Heroine with Children
  • Pure Love Story
  • Heroine's Mother as a Heroine
Rating 6.6126 Users
Miko Mama
Miko Mama
NAN%
Tags
  • Blood-related Incest
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Promiscuous Heroine
  • Futanari Support Character
Rating 6.1124 Users
Mama Mama Mama
Mama Mama Mama
NAN%
Tags
  • Grandmother/Grandson Incest
  • Non-blood-related Mother/Son Incest
  • Heroine with Grandchildren
  • Divorcee Heroine
  • Protagonist's Non-blood-related Mother as a Heroine
Rating 7.2365 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
Kayoinbo ~Waga Ko no Geshuku de Onna ni Modoru Haha~
Kayoinbo ~Waga Ko no Geshuku de Onna ni Modoru Haha~
NAN%
Tags
  • Blood-related Aunt/Nephew Incest
  • Only Older Heroines
  • Obacon
  • Protagonist with Phimosis
  • Protagonist's Aunt as a Heroine
Rating 7.08133 Users
Beppin Mama ~Love Love Boshi Yuugi~
Beppin Mama ~Love Love Boshi Yuugi~
NAN%
Tags
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Straight Shotacon
  • Heroine with Anal Hair
  • Big Ass Heroine
Rating 6.3744 Users
Haregaku!
Haregaku!
NAN%
Tags
  • Protagonist's Grandmother as a Heroine
  • Heroine with Grandchildren
  • Teacher Protagonist
  • Heroine with Sport Bloomers
  • Shimaidon with Twins Ending
Rating 7.1064 Users
Torottoro no Oyako Ren
Torottoro no Oyako Ren'ai ~Okaa-san no Toro Kao ga Kawaii~
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Only Blood-related Heroines
  • Only Older Heroines
  • Condoms
Rating 6.3024 Users
Okaa-san o Haramasete Kodomo ga Dekiru made Yattemita Boku
Okaa-san o Haramasete Kodomo ga Dekiru made Yattemita Boku
NAN%
Tags
  • Blood-related Mother/Son Incest
  • Inbreeding
  • Protagonist's Blood-related Mother as a Heroine
  • Narrating Others' Thoughts
  • Penile Masturbation
Rating 5.9629 Users
Ore ga Aishita Hitozuma ~Emiko~
Ore ga Aishita Hitozuma ~Emiko~
NAN%
Tags
  • Completely Avoidable Rape
  • Heroine with Huge Breasts
  • Pregnancy Ending
  • Soapy Massage
  • Love Hotel
Rating 6.5634 Users
Moraliste ~Seikatsu Shidou Fusae no Houkago~
Moraliste ~Seikatsu Shidou Fusae no Houkago~
NAN%
Tags
  • Big Breast Sizes Protagonist
  • Teacher Protagonist
  • Serious Protagonist
  • Ponytail Protagonist
  • Protagonist with Glasses
Rating 6.4339 Users
Okaa-san no Ama Ama Time ~Musuko no Yokubou~
Okaa-san no Ama Ama Time ~Musuko no Yokubou~
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Interactive Touching Game
  • Chubby Heroine
  • No Character Sprites
Rating 6.0922 Users
Okaa-san no Ama Ama Time ~Ofuro de Massage~
Okaa-san no Ama Ama Time ~Ofuro de Massage~
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Interactive Touching Game
  • Adult Breast Feeding
  • No Character Sprites
Rating 5.5523 Users
Hitozuma Onna Kyoushi Seiyoku no Kyoushitsu
Hitozuma Onna Kyoushi Seiyoku no Kyoushitsu
NAN%
Tags
  • Principal Heroine
  • Only Adult Heroines
  • Dirty Talk
  • Cosplay
  • Widow Heroine
Rating 6.1525 Users
Hatsujou Inbo ~Uzuku Jukutai wa, Sono Yokujou o Osaekirenai~
Hatsujou Inbo ~Uzuku Jukutai wa, Sono Yokujou o Osaekirenai~
NAN%
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
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 6.2921 Users
Kon
Kon'ya, Oji-sama ni Dakaremasu...
NAN%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • In-law Incest
  • Unavoidable Netorare
  • Blackmail
  • Sexual Devices
Rating 6.5834 Users
Shotacon Ryoubo-san ni Kawaigarareru Subarashiki Hibi
Shotacon Ryoubo-san ni Kawaigarareru Subarashiki Hibi
NAN%
Tags
  • Shotacon Heroine
  • Dormitory Manager Heroine
  • Shota Protagonist
  • Shotacon
  • Big Breast Sizes Heroine
Rating 6.6722 Users
Gibo no Shizuku ~Shimetta Hada kara Kaori Tatsu Amai Iroka~
Gibo no Shizuku ~Shimetta Hada kara Kaori Tatsu Amai Iroka~
NAN%
Tags
  • Obacon
  • Foreskin Play
  • Librarian Heroine
  • Protagonist's Non-blood-related Mother as a Heroine
  • Only Older Heroines
Rating 7.3981 Users
Musuko no Musuko wa Dare no Mono!? ~Musuko Soudatsu Haha Imouto Sensen~
Musuko no Musuko wa Dare no Mono!? ~Musuko Soudatsu Haha Imouto Sensen~
NAN%
Tags
  • Oyakodon
  • Mother/Son Romance
  • Blood-related Mother/Daughter Incest
  • Oyakodon Ending
  • Widow Heroine
Rating 6.4643 Users
Hitozuma Onna Kyoushi Seiyoku no Kyoushitsu 2
Hitozuma Onna Kyoushi Seiyoku no Kyoushitsu 2
50%
Tags
  • Heroine with Children
  • Heroine with Pubic Hair
  • Oyakodon Ending
  • Big Ass Heroine
  • Sexual Cosplay
Rating 6.1122 Users
Epidemic ~Kansen Kakudai~
Epidemic ~Kansen Kakudai~
43%
Tags
  • P.E. Teacher Heroine
  • Scat
  • Rimming Handjob
  • Sadist Protagonist
  • Triple Boobjob
Rating 6.3329 Users
Ore ga Aishita Hitozuma ~Emiko~
Ore ga Aishita Hitozuma ~Emiko~
43%
Tags
  • Completely Avoidable Rape
  • Heroine with Huge Breasts
  • Pregnancy Ending
  • Soapy Massage
  • Love Hotel
Rating 6.5634 Users
Okaa-san o Haramasete Kodomo ga Dekiru made Yattemita Boku
Okaa-san o Haramasete Kodomo ga Dekiru made Yattemita Boku
43%
Tags
  • Blood-related Mother/Son Incest
  • Inbreeding
  • Protagonist's Blood-related Mother as a Heroine
  • Narrating Others' Thoughts
  • Penile Masturbation
Rating 5.9629 Users
Torottoro no Oyako Ren
Torottoro no Oyako Ren'ai ~Okaa-san no Toro Kao ga Kawaii~
39%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Only Blood-related Heroines
  • Only Older Heroines
  • Condoms
Rating 6.3024 Users
Beppin Mama ~Love Love Boshi Yuugi~
Beppin Mama ~Love Love Boshi Yuugi~
39%
Tags
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Straight Shotacon
  • Heroine with Anal Hair
  • Big Ass Heroine
Rating 6.3744 Users
Haregaku!
Haregaku!
36%
Tags
  • Protagonist's Grandmother as a Heroine
  • Heroine with Grandchildren
  • Teacher Protagonist
  • Heroine with Sport Bloomers
  • Shimaidon with Twins Ending
Rating 7.1064 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~
35%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Domicile
  • Pregnancy Ending
  • Netori
  • Big Breast Sizes Heroine
Rating 6.7831 Users
Kayoinbo ~Waga Ko no Geshuku de Onna ni Modoru Haha~
Kayoinbo ~Waga Ko no Geshuku de Onna ni Modoru Haha~
35%
Tags
  • Blood-related Aunt/Nephew Incest
  • Only Older Heroines
  • Obacon
  • Protagonist with Phimosis
  • Protagonist's Aunt as a Heroine
Rating 7.08133 Users
Okaa-san no Ama Ama Time ~Musuko no Yokubou~
Okaa-san no Ama Ama Time ~Musuko no Yokubou~
34%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Interactive Touching Game
  • Chubby Heroine
  • No Character Sprites
Rating 6.0922 Users
Hitozuma Onna Kyoushi Seiyoku no Kyoushitsu
Hitozuma Onna Kyoushi Seiyoku no Kyoushitsu
34%
Tags
  • Principal Heroine
  • Only Adult Heroines
  • Dirty Talk
  • Cosplay
  • Widow Heroine
Rating 6.1525 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?~
32%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Incest
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 6.2921 Users
Shotacon Ryoubo-san ni Kawaigarareru Subarashiki Hibi
Shotacon Ryoubo-san ni Kawaigarareru Subarashiki Hibi
32%
Tags
  • Shotacon Heroine
  • Dormitory Manager Heroine
  • Shota Protagonist
  • Shotacon
  • Big Breast Sizes Heroine
Rating 6.6722 Users
Musuko no Musuko wa Dare no Mono!? ~Musuko Soudatsu Haha Imouto Sensen~
Musuko no Musuko wa Dare no Mono!? ~Musuko Soudatsu Haha Imouto Sensen~
31%
Tags
  • Oyakodon
  • Mother/Son Romance
  • Blood-related Mother/Daughter Incest
  • Oyakodon Ending
  • Widow Heroine
Rating 6.4643 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!~
31%
Tags
  • Heroine with Children
  • Protagonist with Phimosis
  • Protagonist with Glasses
  • Only Adult Heroines
  • Single Ending
Rating 6.1540 Users
Hitozuma Onna Kyoushi Seiyoku no Kyoushitsu 3
Hitozuma Onna Kyoushi Seiyoku no Kyoushitsu 3
31%
Tags
  • P.E. Teacher Heroine
  • Principal Heroine
  • Heroine with Armpit Hair
  • Big Ass Heroine
  • Sexual Harassment
Rating 7.1448 Users
Himitsu no Itazura ~Kazoku ga Amari ni mo Miryokuteki nano de Kossori xx Shite Miru Koto ni Shimashita~
Himitsu no Itazura ~Kazoku ga Amari ni mo Miryokuteki nano de Kossori xx Shite Miru Koto ni Shimashita~
31%
Tags
  • Sex with Sleepers
  • Twin Buttjob
  • Only Protagonist's Relatives as Heroine(s)
  • Heroine in Relationship with Other(s)
  • Rape Involving Drugs
Rating 6.3333 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~
31%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Gang
  • Erotic Mind Control
  • Married Heroine
  • Big Breast Sizes Heroine
Rating 6.1325 Users
Demiparadoxia ∞ Hookerstic - Hokujou Hen
Demiparadoxia ∞ Hookerstic - Hokujou Hen
31%
Tags
  • Prostitute Heroine
  • Heroine with Anal Hair
  • Heroine with Armpit Hair
  • Pubic Hair Option
  • Hotel
Rating 6.4723 Users
Fukashi na Aijou ~Toumei na Boku ni Kanjiru Mama~
Fukashi na Aijou ~Toumei na Boku ni Kanjiru Mama~
31%
Tags
  • Invisibility
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 5.9533 Users
Hitozuma Yokujou Saimin
Hitozuma Yokujou Saimin
31%
Tags
  • Erotic Mind Control
  • Discreet Phone Sex
  • Netori
  • Arrogant Heroine
  • Gyaru Heroine
Rating 6.3627 Users
Yuuwaku no Danchizuma-tachi ~Kairaku ni Oboreru Ureta Niku~
Yuuwaku no Danchizuma-tachi ~Kairaku ni Oboreru Ureta Niku~
30%
Tags
  • Obacon
  • Harem Ending with Theme
  • Apartment Building
  • Married Heroine
  • Completion Status Indicator
Rating 6.2727 Users
Yokorenbo ~Immoral Mother~
Yokorenbo ~Immoral Mother~
30%
Tags
  • Non-blood-related Mother/Daughter Incest
  • Fathercon Heroine
  • Sex with Sleepers
  • Protagonist's Blood-related Mother as a Heroine
  • Protagonist's Non-blood-related Sister as a Heroine
Rating 7.2183 Users
Tonari no Shinkon Hitozuma o Hamedori Netori Harama-seikatsu
Tonari no Shinkon Hitozuma o Hamedori Netori Harama-seikatsu
30%
Tags
  • Cow Cosplay
  • Heroine with Huge Breasts
  • Pregnancy Ending
  • Blackmail
  • Excessive Semen
Rating 5.3924 Users

Beppin Mama Omnibus 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 (36 total)

NameScoreImportanceWeight
Obacon3.002.678.00
Otaku Friend2.002.675.34
Heroine with Armpit Hair2.002.424.84
Blood-related Mother/Son Incest2.501.854.61
Shotacon2.002.014.02
Anthology2.001.973.93
Protagonist's Blood-related Mother as a Heroine2.001.893.79
Shota Protagonist2.001.853.70
Sexual Cosplay2.001.823.64
Straight Shotacon2.001.823.63
Queen Heroine1.502.353.53
Adult Heroine3.001.133.40
Rope Bondage2.001.693.38
Production of Pornography (Amateur)2.001.643.27
Piledriver2.001.593.18
Heroine with Pubic Hair2.001.482.96
Kissing Scene2.001.442.88
Under the Same Roof2.001.272.54
Single Handjob2.001.242.49
Heroine with Sexual Experience2.001.212.42
Pregnant Sex2.001.182.35
Single Boobjob2.001.152.29
Anal Sex2.001.132.26
Quickie Fix Position2.001.112.23
Group Sex of One Female and Several Males2.001.082.15
Standing Sex2.001.052.11
Sitting Sex2.001.052.11
High Sexual Content2.001.052.10
Nukige3.000.651.95
Single Blowjob2.000.951.91
Missionary Position2.000.941.88
Cowgirl2.000.841.67
Doggy Style2.000.801.61
Big Breast Sizes Heroine0.671.310.88
Male Protagonist2.000.300.60
ADV2.000.140.29

Traits (21 total)

NameCharactersImportanceWeight
Mother Complex Personality13.102.15
Armpit Hair Hair12.731.89
Incest Engages in (Sexual)21.471.61
Widow Role12.201.53
Otaku Personality12.051.42
Bra Clothes11.851.28
Son Role11.821.26
Hidden Eyes11.801.25
Panties Clothes11.711.19
Sweater Clothes11.631.13
Apron Clothes11.581.10
Student Role11.491.03
Mother Role11.461.01
Pregnancy Subject of11.400.97
Skirt Clothes11.340.93
Pubic Hair Hair11.340.93
Brown Hair20.680.75
Kind Personality11.030.71
Shoulder-length Hair10.920.64
Brown Eyes10.900.63
Young-adult Body10.760.53