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Summary

The main character, Yuuichi, is a boy who loves his stepmother, Misako. However, it was a typical mother-son relationship until he learned about the "Mama Club". A secret club at the school that matches boys interested in sex with mothers with incestuous desires. Together, they seek out and enjoy pseudo-incest, that is "mama club"... Yuuichi accidentally discovers this secret is blackmailed into becoming a member and pressured into having sex with the mothers. Unable to resist the pleasure, he spends his days having sex with an unspecified number of "mama's". This causes a change in Yuuichi's love for his mother, Misako. What he truly seeks while drowning in pleasure is his stepmother. On the other hand, what are Misako's feelings for Yuuichi...? [From official site]

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 6.8822 Users
Tokonatsu no Haramase Hitozuma Island e Youkoso! ~Ero Muchi Gibo-tachi 4nin to Mujintou Tanezuke Vacance!~
Tokonatsu no Haramase Hitozuma Island e Youkoso! ~Ero Muchi Gibo-tachi 4nin to Mujintou Tanezuke Vacance!~
NAN%
Tags
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Aunt/Nephew Incest
Rating 6.4129 Users
Demiparadoxia ∞ Hookerstic - Hokujou Hen
Demiparadoxia ∞ Hookerstic - Hokujou Hen
NAN%
Tags
  • Prostitute Heroine
  • Heroine with Anal Hair
  • Heroine with Armpit Hair
  • Pubic Hair Option
  • Hotel
Rating 6.4523 Users
Yarasete! Teacher Change
Yarasete! Teacher Change
NAN%
Tags
  • Perverted Friend
  • Hetare Protagonist
  • Feet Licking
  • Shota Protagonist
  • School Life Comedy
Rating 6.5238 Users
Ero Onsen ~Shinjin Okami no Machigaidarake no Omotenashi~
Ero Onsen ~Shinjin Okami no Machigaidarake no Omotenashi~
NAN%
Tags
  • Rounin Protagonist
  • Onsen
  • Consensual Group Sex of One Female and Several Males
  • Tribadism on Penis
  • Soapy Massage
Rating 6.9620 Users
Bitchin Beach ~Risei Buttobi! Bukkake Nakadashi Hamehame Ahe Natsu Monogatari~
Bitchin Beach ~Risei Buttobi! Bukkake Nakadashi Hamehame Ahe Natsu Monogatari~
NAN%
Tags
  • Promiscuous Heroine
  • Beach
  • Summer
  • Heroine with Crotchless Clothing
  • No "Keep Voice on Click" Option
Rating 6.2223 Users
Motto! Himitsu Taiken
Motto! Himitsu Taiken
NAN%
Tags
  • Shotacon
  • Shota Protagonist
  • Blood-related Cousin Incest
  • Lolicon
  • Design Story
Rating 6.5531 Users
Midara na Mansion
Midara na Mansion
NAN%
Tags
  • Janitor Protagonist
  • Promiscuous Heroine
  • Apartment Building
  • Married Heroine
  • Adult Heroine
Rating 6.7121 Users
Mama! Tsuma?
Mama! Tsuma?
NAN%
Tags
  • Open Relationship
  • Protagonist's Non-blood-related Mother as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Netorase
Rating 6.6674 Users
Toshiue Lesson ~Mama to Oba-san to Sensei to~
Toshiue Lesson ~Mama to Oba-san to Sensei to~
NAN%
Tags
  • Obacon
  • Businesswoman Heroine
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Literary Adaptation
Rating 6.3921 Users
Mama Club Sankan
Mama Club Sankan
NAN%
Tags
  • Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Shotacon Heroine
  • Mother Support Character
  • Mother/Son Romance
Rating 6.9365 Users
Mama Shibori 2 (Mama Shibori no Jijou)
Mama Shibori 2 (Mama Shibori no Jijou)
NAN%
Tags
  • Child Protagonist
  • Shota Protagonist
  • Straight Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Excessive Semen
Rating 7.3952 Users
Matty
Matty
NAN%
Tags
  • Shotacon
  • Protagonist's Aunt as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Short Sexual Scenes
Rating 6.8929 Users
Boku no Maman Sagashi ~Mama o Tazunetara... 8nin no Kyonyuu Tsuma Deshita~
Boku no Maman Sagashi ~Mama o Tazunetara... 8nin no Kyonyuu Tsuma Deshita~
NAN%
Tags
  • Only Older Heroines
  • More Than Seven Heroines
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Consensual Group Sex of One Female and Several Males
Rating 6.4831 Users
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
NAN%
Tags
  • Voyeurism
  • Blood-related Aunt/Nephew Incest
  • Fictional Modern Day Japanese Countryside
  • Protagonist's Aunt as a Heroine
  • Masturbation with Object
Rating 5.8421 Users
Tsuma x Heaven
Tsuma x Heaven
NAN%
Tags
  • Infidelity
  • Only Non-Virgin Heroines
  • Promiscuous Heroine
  • Adult Heroine
  • Naked Heroine with Apron
Rating 6.5622 Users
Ijikuri Mama
Ijikuri Mama
NAN%
Tags
  • Fake Choices
  • Shotacon
  • Disabled Protagonist
  • Blood-related Mother/Son Incest
  • Straight Shotacon
Rating 5.7739 Users
In
In'en ~Yamazato ni Midareru Taoyame~
NAN%
Tags
  • Countryside
  • Heroine with Kimono
  • Sickly Protagonist
  • Heroine with Inverted Nipples
  • Promiscuous Heroine
Rating 6.4528 Users
Shimaizuma Marriage Disk - Shimaizuma Bubuzuke
Shimaizuma Marriage Disk - Shimaizuma Bubuzuke
NAN%
Tags
  • Asian-style Manor
  • Heroine With Kansai Accent
  • Childishly Violent Heroine
  • Married Heroine
  • Central Heroine
Rating 7.3820 Users
Motto! Yagai Gakushuu ~Kaki Tokubetsu Koushuu Hen~
Motto! Yagai Gakushuu ~Kaki Tokubetsu Koushuu Hen~
NAN%
Tags
  • Summer Camp
  • Shotacon
  • Shota Protagonist
  • Child Protagonist
  • Straight Shotacon
Rating 6.4051 Users
Boy Meets Wives
Boy Meets Wives
NAN%
Tags
  • Only Older Heroines
  • Lotion Play
  • Middle School Student Protagonist
  • Breast Smothering
  • Consumption of Pornography
Rating 6.7527 Users
Mama Mama!?
Mama Mama!?
NAN%
Tags
  • Blood-related Mother/Son Incest
  • Grandfather Support Character
  • Protagonist's Blood-related Mother as a Heroine
  • Heroine With Kansai Accent
  • Heroine with Kimono
Rating 7.1325 Users
Boku no Himitsu Taiken
Boku no Himitsu Taiken
NAN%
Tags
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Shotacon
  • Meaningless Choices
  • Blood-related Aunt/Nephew Incest
Rating 6.6132 Users
Zoku Mama Club
Zoku Mama Club
73%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Rimming Handjob
  • Sex at Work
  • Consumption of Pornography
Rating 6.2839 Users
Boku no "Natsuyasumi" Himitsu Taiken
Boku no "Natsuyasumi" Himitsu Taiken
53%
Tags
  • Landlady Heroine
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Blood-related Aunt/Nephew Incest
  • Heroine with Tan Lines
Rating 6.8822 Users
Matty
Matty
51%
Tags
  • Shotacon
  • Protagonist's Aunt as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Short Sexual Scenes
Rating 6.8929 Users
Mama Shibori 2 (Mama Shibori no Jijou)
Mama Shibori 2 (Mama Shibori no Jijou)
46%
Tags
  • Child Protagonist
  • Shota Protagonist
  • Straight Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Excessive Semen
Rating 7.3952 Users
Mama Club Sankan
Mama Club Sankan
45%
Tags
  • Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Shotacon Heroine
  • Mother Support Character
  • Mother/Son Romance
Rating 6.9365 Users
Mama! Tsuma?
Mama! Tsuma?
44%
Tags
  • Open Relationship
  • Protagonist's Non-blood-related Mother as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Netorase
Rating 6.6674 Users
Toshiue Lesson ~Mama to Oba-san to Sensei to~
Toshiue Lesson ~Mama to Oba-san to Sensei to~
41%
Tags
  • Obacon
  • Businesswoman Heroine
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Literary Adaptation
Rating 6.3921 Users
Motto! Himitsu Taiken
Motto! Himitsu Taiken
40%
Tags
  • Shotacon
  • Shota Protagonist
  • Blood-related Cousin Incest
  • Lolicon
  • Design Story
Rating 6.5531 Users
Midara na Mansion
Midara na Mansion
36%
Tags
  • Janitor Protagonist
  • Promiscuous Heroine
  • Apartment Building
  • Married Heroine
  • Adult Heroine
Rating 6.7121 Users
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
36%
Tags
  • Voyeurism
  • Blood-related Aunt/Nephew Incest
  • Fictional Modern Day Japanese Countryside
  • Protagonist's Aunt as a Heroine
  • Masturbation with Object
Rating 5.8421 Users
Ijikuri Mama
Ijikuri Mama
35%
Tags
  • Fake Choices
  • Shotacon
  • Disabled Protagonist
  • Blood-related Mother/Son Incest
  • Straight Shotacon
Rating 5.7739 Users
Shimaizuma Marriage Disk - Shimaizuma Bubuzuke
Shimaizuma Marriage Disk - Shimaizuma Bubuzuke
35%
Tags
  • Asian-style Manor
  • Heroine With Kansai Accent
  • Childishly Violent Heroine
  • Married Heroine
  • Central Heroine
Rating 7.3820 Users
Boy Meets Wives
Boy Meets Wives
34%
Tags
  • Only Older Heroines
  • Lotion Play
  • Middle School Student Protagonist
  • Breast Smothering
  • Consumption of Pornography
Rating 6.7527 Users
Boku no Himitsu Taiken
Boku no Himitsu Taiken
34%
Tags
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Shotacon
  • Meaningless Choices
  • Blood-related Aunt/Nephew Incest
Rating 6.6132 Users
Juicy Age
Juicy Age
34%
Tags
  • Oppai Loli Heroine
  • Shota Protagonist
  • Central Heroine
  • Heroine with Beauty Mark
  • Promiscuous Heroine
Rating 6.7538 Users
Rankan Club
Rankan Club
32%
Tags
  • Swinging
  • Consensual Group Sex of One Female and Several Males
  • Late Branching Plot
  • Group Sex of Multiple Females and Males
  • Cosplay
Rating 6.3624 Users
Yagai Gakushuu 2
Yagai Gakushuu 2
31%
Tags
  • Shotacon Heroine
  • Blind Choices
  • Summer Camp
  • Straight Shotacon
  • Fictional Modern Day Japanese Island
Rating 6.6288 Users
Ijikuri Mama 2
Ijikuri Mama 2
30%
Tags
  • Shotacon
  • Straight Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Shota Protagonist
  • Blood-related Mother/Son Incest
Rating 5.4133 Users
Mite Kudasaimasu?
Mite Kudasaimasu?
30%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Medical Doctor Heroine
  • Fingering
  • Infidelity
Rating 5.7033 Users
Gated Community
Gated Community
30%
Tags
  • No "Keep Voice on Click" Option
  • Bondage Weights
  • Heroine with Anal Hair
  • Swinging
  • Flat Tints Only
Rating 7.2138 Users
Ijikuri Mama 3
Ijikuri Mama 3
29%
Tags
  • Unavoidable Harem Ending
  • Heroine with Tan Lines
  • Shotacon
  • Inbreeding
  • Protagonist's Blood-related Mother as a Heroine
Rating 5.6925 Users
Anata to Mita Sakura ~Shimaizuma~
Anata to Mita Sakura ~Shimaizuma~
29%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Hetare Protagonist
  • Pantyjob
  • Widow Heroine
  • Heroine with Kimono
Rating 6.9021 Users
Mousugu Natsuyasumi!
Mousugu Natsuyasumi!
29%
Tags
  • Promiscuity
  • Consensual Group Sex of One Female and Several Males
  • Shota Protagonist
  • Shotacon Heroine
  • Straight Shotacon
Rating 6.40159 Users
Miko Mama
Miko Mama
29%
Tags
  • Blood-related Incest
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Promiscuous Heroine
  • Futanari Support Character
Rating 6.1124 Users

Bosei ~Mama Club~ 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 (22 total)

Traits (144 total)

NameCharactersImportanceWeight
Incest Roleplay Engages in (Sexual)73.286.82
Sex with Children Engages in (Sexual)72.495.18
Crotchless One Piece Swimsuit Clothes33.715.14
Housewife Role62.314.49
Promiscuous Personality62.194.26
Not an Anal Virgin Role32.883.99
Consensual Group Sex of One Female and Several Males Engages in (Sexual)42.483.99
Blackmail Engages in52.223.98
Voyeurism Subject of (Sexual)61.953.80
Sexual Roleplay Engages in (Sexual)32.703.75
Tracksuit Clothes42.323.73
Lotion Play Engages in (Sexual)32.683.72
Group Sex of Multiple Females and Males Engages in (Sexual)61.913.71
Infidelity Engages in61.803.50
Sex at School Engages in (Sexual)61.553.01
Not a Virgin Role71.412.94
Mother Role61.462.84
Adult Body71.342.79
Anilingus Engages in (Sexual)32.012.78
Pubic Hair Hair71.342.78
Sex in Front of an Audience Engages in (Sexual)51.502.69
Ass to Mouth Engages in (Sexual)13.872.68
Double Handjob Engages in (Sexual)31.892.62
Breast Smothering Subject of (Sexual)13.672.55
Son Complex Personality13.642.52
Balls Sucking Engages in (Sexual)22.252.47
Observant Personality22.242.46
Sexual Cosplay Engages in (Sexual)22.242.46
Sex in Public Places Engages in (Sexual)61.262.45
Sexual Fantasy Subject of (Sexual)22.222.43
Guilt Subject of22.192.40
Non-blood-related Incest Engages in (Sexual)22.152.37
Health Committee Member Role13.412.37
Therapist Role13.392.35
Big Breasts Body71.132.34
Ass to Mouth Subject of (Sexual)13.312.30
Black Eyes41.422.29
Outdoor Sex Engages in (Sexual)61.162.25
Rimming Handjob Subject of (Sexual)13.212.23
Nipple Sucking Subject of (Sexual)41.382.22
Vaginal Object Insertion Subject of (Sexual)21.992.19
Vaginal Gaping Engages in (Sexual)21.952.14
Makeup Body31.532.12
Group Sex of One Male and Several Females Engages in (Sexual)51.172.10
Naked Apron Clothes21.882.06
Missionary Subject of (Sexual)51.122.00
Lab Coat Clothes21.791.97
Bun Hair21.771.94
Rimming Handjob Engages in (Sexual)12.781.93
Spit-roast Subject of (Sexual)21.751.92
Off-The-Shoulder Sweater Clothes12.711.88
Nipple Sucking Engages in (Sexual)21.701.86
Skirt Clothes31.341.86
Balls Sucking Subject of (Sexual)12.671.85
Seduction Subject of12.661.84
Breast Smothering Engages in (Sexual)12.651.84
Pessimist Personality12.601.80
Elementary School Student Role12.521.75
Non-blood-related Son Role12.491.72
Sex in Water Engages in (Sexual)21.561.72
School Nurse Role12.461.71
Consumption of Porn Engages in (Sexual)12.461.71
Penile Masturbation Engages in (Sexual)12.451.70
Spit-roast Engages in (Sexual)12.441.69
Anal Sex Subject of (Sexual)31.191.65
Non-blood-related Mother Role12.371.64
Dildo Subject of (Sexual)12.371.64
Anal Gaping Engages in (Sexual)12.361.64
Reverse Missionary Engages in (Sexual)12.361.63
French Kiss Engages in (Sexual)21.481.62
Blouse Clothes21.461.61
Twin Blowjob Subject of (Sexual)12.311.60
Sexual Fantasy Engages in (Sexual)12.311.60
Twin Blowjob Engages in (Sexual)21.451.59
Name Tag Clothes12.261.57
Masturbation Engages in (Sexual)21.401.54
Pragmatic Personality12.191.52
Seduction Engages in12.171.51
Quickie Fix Subject of (Sexual)31.081.50
Nurse Role12.151.49
Doggy Style Subject of (Sexual)40.921.49
Bukkake Subject of (Sexual)21.351.48
Voyeurism Engages in (Sexual)12.141.48
Blowjob Engages in (Sexual)60.761.48
Blackmail Subject of12.131.47
Itome Eyes12.131.47
Nurse's Cap Clothes12.091.45
Lonely Role12.051.42
Anilingus Subject of (Sexual)12.051.42
Bow Tie Clothes12.041.42
Butterfly Engages in (Sexual)12.021.40
Nurse Uniform Clothes12.011.39
Parted in Middle Hair21.251.37
Vibrator Subject of (Sexual)11.971.36
Quickie Fix Engages in (Sexual)11.881.30
Black Hair40.811.30
Standing Sex Engages in (Sexual)11.871.29
Timid Personality11.861.29
Standing Sex Subject of (Sexual)21.181.29
Boobjob Subject of (Sexual)11.861.29
Butterfly Subject of (Sexual)21.171.29
Handjob Engages in (Sexual)21.161.27
Blunt Personality11.831.27
Brown Eyes30.901.25
Anal Sex Engages in (Sexual)11.761.22
Handjob Subject of (Sexual)11.751.22
Short Shorts Clothes11.751.21
Deredere Personality11.741.21
Missionary Engages in (Sexual)11.741.21
Reverse Missionary Subject of (Sexual)11.741.20
Sports Shoes Clothes11.721.19
Cowgirl Engages in (Sexual)11.711.19
Confident Personality11.691.17
Loyal Personality11.691.17
Naive Personality11.691.17
Doggy Style Engages in (Sexual)11.681.17
Carefree Personality11.681.17
Sex with Protagonist Only Engages in (Sexual)11.671.16
Vaginal Masturbation Engages in (Sexual)11.671.16
No Bangs Hair11.651.14
Sweater Clothes11.631.13
Reverse Cowgirl Subject of (Sexual)11.631.13
Kind Personality21.031.13
Brown Hair40.681.10
Spiky Bangs Hair21.001.10
Mole Body11.581.09
Cunnilingus Engages in (Sexual)11.551.07
Blowjob Subject of (Sexual)11.521.05
Cowgirl Subject of (Sexual)20.951.05
Straight Hair20.941.04
Shoulder-length Hair20.921.01
Headband Clothes11.451.01
Hairpin Clothes11.400.97
Knee-high Socks Clothes11.380.96
Kid Body11.370.95
Wavy Hair11.360.94
Cunnilingus Subject of (Sexual)11.160.81
Glasses Clothes11.080.75
Vaginal Fingering Subject of (Sexual)11.080.75
Boobjob Engages in (Sexual)11.070.74
Short Hair20.610.67
Virgin Sex Engages in (Sexual)10.850.59
Long Hair10.750.52
50.000.00