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Summary

Yui's mother Azusa has recently remarried. One evening, Yui and her husband are visiting her mother and her new husband, when Azusa, having had too much to drink, begins pressing Yui about her sex life. Before long, Azusa is giving her husband a blowjob, right in front of her daughter. Isn't it exciting doing it in front of others? Yui's life is about to change...

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
Musuko no Tomodachi ni Otosarete ~Aa... Watashi, Hitori no Onna ni Modorimasu~
Musuko no Tomodachi ni Otosarete ~Aa... Watashi, Hitori no Onna ni Modorimasu~
NAN%
Tags
  • Netorare
  • Discreet Phone Sex
  • Boobs on Glass
  • Married Heroine
  • Protagonist's Blood-related Mother as a Heroine
Rating 6.5030 Users
Classmate no Okaa-san -Immoral Teacher-
Classmate no Okaa-san -Immoral Teacher-
NAN%
Tags
  • Masturbation with Object
  • Widow Heroine
  • Sexual Fantasizing
  • Heroine with Tights
  • Naked Heroine with Apron
Rating 6.8223 Users
Lilith-Izm08 ~Nobushito Black Izm~
Lilith-Izm08 ~Nobushito Black Izm~
NAN%
Tags
  • Unavoidable Heroine Rape
  • Kunoichi Heroine
  • Hetare Protagonist
  • Heroine with Tattoo
  • Small Breast Sizes Heroine (Non-Loli)
Rating 6.9636 Users
Momojiri Taiiku Onna Kyoushi
Momojiri Taiiku Onna Kyoushi
NAN%
Tags
  • Heroine with Tights
  • P.E. Teacher Heroine
  • Braless Heroine
  • Unavoidable Heroine Rape by the Protagonist
  • Lots of Event CGs
Rating 6.2020 Users
Yakata Jukujo ~The Immoral Residence~
Yakata Jukujo ~The Immoral Residence~
NAN%
Tags
  • Non-blood-related Mother/Son Incest
  • Protagonist with Phimosis
  • Butler Protagonist
  • Obacon
  • Harem Ending with Theme
Rating 7.4745 Users
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
Matty
Matty
NAN%
Tags
  • Shotacon
  • Protagonist's Aunt as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Short Sexual Scenes
Rating 6.8929 Users
Yami no Koe III ~Gobou San
Yami no Koe III ~Gobou San'yoku Mahoujin~
NAN%
Tags
  • Sexual Corruption
  • Whipping
  • Map Movement
  • One True End
  • Feet Licking
Rating 6.4034 Users
Bosei ~Mama Club~
Bosei ~Mama Club~
NAN%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Mother/Son Incest
  • Mother Support Character
  • Shota Protagonist
  • Straight Shotacon
Rating 6.6852 Users
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
NAN%
Tags
  • American Heroine
  • Voyeurism
  • Blood-related Aunt/Nephew Incest
  • Fictional Modern Day Japanese Countryside
  • Protagonist's Aunt as a Heroine
Rating 5.8421 Users
Zoku Mama Club
Zoku Mama Club
NAN%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Rimming Handjob
  • Sex at Work
  • Consumption of Pornography
Rating 6.2839 Users
Mite Kudasaimasu?
Mite Kudasaimasu?
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Medical Doctor Heroine
  • Fingering
  • Infidelity
Rating 5.7033 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
Ruri no Ie -Domination Game-
Ruri no Ie -Domination Game-
NAN%
Tags
  • Duct Tape Bondage
  • Heroine Sisters
  • Cthulhu Mythos
  • Trampling
  • Spy Heroine
Rating 6.5936 Users
Boku no "Natsuyasumi" Himitsu Taiken
Boku no "Natsuyasumi" Himitsu Taiken
NAN%
Tags
  • Landlady Heroine
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Blood-related Aunt/Nephew Incest
  • Heroine with Tan Lines
Rating 6.8822 Users
Anata to Mita Sakura ~Shimaizuma~
Anata to Mita Sakura ~Shimaizuma~
NAN%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Hetare Protagonist
  • Pantyjob
  • Widow Heroine
  • Heroine with Kimono
Rating 6.9021 Users
Torikaekko Shiyo! ~Kareshi Kanojo no Himitsu no Kankei~
Torikaekko Shiyo! ~Kareshi Kanojo no Himitsu no Kankei~
NAN%
Tags
  • Swinging
  • Gauge Display
  • Relationship Chart
  • Half-Japanese Heroine
  • Protagonist's Girlfriend as a Heroine
Rating 6.9523 Users
Boku, Mou Dechau! ~Moteasobareta Sausage~
Boku, Mou Dechau! ~Moteasobareta Sausage~
NAN%
Tags
  • Pedophile Protagonist
  • Shotacon Protagonist
  • Incest
  • Shotacon
  • Gay Shotacon
Rating 6.6522 Users
Hangyaku no Beretta ~Ingoku ni Ochiru Senshi~
Hangyaku no Beretta ~Ingoku ni Ochiru Senshi~
NAN%
Tags
  • Heroine with Bodystocking
  • Heroine with Leotard
  • Future Japan
  • Post Apocalyptic Earth
  • No "Keep Voice on Click" Option
Rating 6.1926 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
Gakuen NTR ~Boku no Shiranai Kanojo no Kao~
Gakuen NTR ~Boku no Shiranai Kanojo no Kao~
NAN%
Tags
  • Humping
  • Idol Heroine
  • Clothed Male Naked Female
  • Netorare
  • Single Buttjob
Rating 6.5448 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
Hitozuma ga Wakai Juuyoku ni Otosareru Toki
Hitozuma ga Wakai Juuyoku ni Otosareru Toki
NAN%
Tags
  • Netorare Type A
  • Masturbation Involving Food
  • Voyeurism
  • Shotacon
  • Discreet Phone Sex
Rating 6.8824 Users
Ijikuri Mama 3
Ijikuri Mama 3
34%
Tags
  • Unavoidable Harem Ending
  • Heroine with Tan Lines
  • Shotacon
  • Inbreeding
  • Protagonist's Blood-related Mother as a Heroine
Rating 5.6925 Users
Douryou no Oku-san ~Netori Tsuma, Netorare Tsuma~
Douryou no Oku-san ~Netori Tsuma, Netorare Tsuma~
33%
Tags
  • Netori
  • Clothed Male Naked Female
  • Wake-up Sex
  • Love Hotel
  • Sex in a Vehicle
Rating 7.0626 Users
Mama Club Sankan
Mama Club Sankan
33%
Tags
  • Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Shotacon Heroine
  • Mother Support Character
  • Mother/Son Romance
Rating 6.9365 Users
Mite Kudasaimasu?
Mite Kudasaimasu?
32%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Medical Doctor Heroine
  • Fingering
  • Infidelity
Rating 5.7033 Users
Zoku Mama Club
Zoku Mama Club
32%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Rimming Handjob
  • Sex at Work
  • Consumption of Pornography
Rating 6.2839 Users
Bosei ~Mama Club~
Bosei ~Mama Club~
32%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Mother/Son Incest
  • Mother Support Character
  • Shota Protagonist
  • Straight Shotacon
Rating 6.6852 Users
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
30%
Tags
  • American Heroine
  • Voyeurism
  • Blood-related Aunt/Nephew Incest
  • Fictional Modern Day Japanese Countryside
  • Protagonist's Aunt as a Heroine
Rating 5.8421 Users
Matty
Matty
28%
Tags
  • Shotacon
  • Protagonist's Aunt as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Short Sexual Scenes
Rating 6.8929 Users
Yami no Koe III ~Gobou San
Yami no Koe III ~Gobou San'yoku Mahoujin~
28%
Tags
  • Sexual Corruption
  • Whipping
  • Map Movement
  • One True End
  • Feet Licking
Rating 6.4034 Users
Boku no "Natsuyasumi" Himitsu Taiken
Boku no "Natsuyasumi" Himitsu Taiken
27%
Tags
  • Landlady Heroine
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Blood-related Aunt/Nephew Incest
  • Heroine with Tan Lines
Rating 6.8822 Users
Torikaekko Shiyo! ~Kareshi Kanojo no Himitsu no Kankei~
Torikaekko Shiyo! ~Kareshi Kanojo no Himitsu no Kankei~
27%
Tags
  • Swinging
  • Gauge Display
  • Relationship Chart
  • Half-Japanese Heroine
  • Protagonist's Girlfriend as a Heroine
Rating 6.9523 Users
Hangyaku no Beretta ~Ingoku ni Ochiru Senshi~
Hangyaku no Beretta ~Ingoku ni Ochiru Senshi~
27%
Tags
  • Heroine with Bodystocking
  • Heroine with Leotard
  • Future Japan
  • Post Apocalyptic Earth
  • No "Keep Voice on Click" Option
Rating 6.1926 Users
Gakuen NTR ~Boku no Shiranai Kanojo no Kao~
Gakuen NTR ~Boku no Shiranai Kanojo no Kao~
26%
Tags
  • Humping
  • Idol Heroine
  • Clothed Male Naked Female
  • Netorare
  • Single Buttjob
Rating 6.5448 Users
Hitozuma ga Wakai Juuyoku ni Otosareru Toki
Hitozuma ga Wakai Juuyoku ni Otosareru Toki
26%
Tags
  • Netorare Type A
  • Masturbation Involving Food
  • Voyeurism
  • Shotacon
  • Discreet Phone Sex
Rating 6.8824 Users
Mama Shibori 2 (Mama Shibori no Jijou)
Mama Shibori 2 (Mama Shibori no Jijou)
26%
Tags
  • Child Protagonist
  • Shota Protagonist
  • Straight Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Excessive Semen
Rating 7.3952 Users
Mama no Sakuranbo Gari♪
Mama no Sakuranbo Gari♪
25%
Tags
  • Shotacon Heroine
  • Nympho Protagonist
  • Infidelity
  • Incest
  • Heroine with Garter Belt
Rating 5.8231 Users
Ijikuri Mama
Ijikuri Mama
25%
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
25%
Tags
  • Asian-style Manor
  • Heroine With Kansai Accent
  • Childishly Violent Heroine
  • Married Heroine
  • Central Heroine
Rating 7.4320 Users
Son of a ☆ Bitch ~Saotome Nobara-chan, Maji Bitch!~
Son of a ☆ Bitch ~Saotome Nobara-chan, Maji Bitch!~
25%
Tags
  • Male on Trap
  • Student Council President Heroine
  • Legwear Footjob
  • Group Sex of Multiple Females and Males
  • Female Domination
Rating 6.2024 Users
Juicy Age
Juicy Age
24%
Tags
  • Oppai Loli Heroine
  • Shota Protagonist
  • Central Heroine
  • Heroine with Beauty Mark
  • Promiscuous Heroine
Rating 6.7738 Users
Mama! Tsuma?
Mama! Tsuma?
24%
Tags
  • Open Relationship
  • Protagonist's Non-blood-related Mother as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Netorase
Rating 6.6575 Users
Shin NOZOKI-ma 2 ~Jogakuryou no Himitsu~
Shin NOZOKI-ma 2 ~Jogakuryou no Himitsu~
23%
Tags
  • Paraphilic Infantilism
  • School Nurse Heroine
  • Narrating Others' Thoughts
  • Heroine with Garter Belt
  • Masochist Heroine
Rating 6.3721 Users
Tsunagaranai Keitai Denwa -Tadaima Hoka no Otoko to Mechamecha Sex Chuu-
Tsunagaranai Keitai Denwa -Tadaima Hoka no Otoko to Mechamecha Sex Chuu-
23%
Tags
  • Protagonist's Fiancee as a Heroine
  • Netorare
  • Clothed Female Naked Male
  • Salaryman Protagonist
  • Netorare Type A
Rating 6.8334 Users
Chocolate Princess! ~Ingoku no!? Homestay~
Chocolate Princess! ~Ingoku no!? Homestay~
23%
Tags
  • Huge Insertion
  • Mermaid Heroine
  • Gaping
  • Inflation
  • Heroine with Visible Panties
Rating 6.9427 Users

Rankan Club has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
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Tags (33 total)

NameScoreImportanceWeight
Swinging2.502.586.44
Consensual Group Sex of One Female and Several Males3.002.036.08
Late Branching Plot3.001.905.71
Group Sex of Multiple Females and Males3.001.494.47
Cosplay2.002.054.10
Armpit Sex2.002.004.00
Protagonist's Blood-related Mother as a Heroine2.001.893.79
Twin Blowjob2.501.293.22
Multiple Penetration2.501.283.19
Pregnancy2.001.523.05
Infidelity2.001.503.01
Anilingus2.001.472.94
Reverse Cowgirl2.001.332.66
Boobjob2.001.332.65
Anal Penetration2.001.322.64
Big Breast Sizes Heroine2.001.312.62
Pregnant Sex2.001.182.35
Adult Heroine2.001.132.27
Blowjob2.001.122.24
Group Sex of One Female and Several Males2.001.082.15
Female Protagonist3.000.712.13
Nukige3.000.651.95
Cowgirl2.000.841.67
Doggy Style2.000.801.61
Heroine with Pubic Hair1.001.481.48
Double Penetration (Group Sex)1.001.451.45
Multiple Endings2.000.671.34
Sexual Content2.000.631.26
Ahegao1.001.251.25
Netorare0.671.511.01
Mother Support Character0.501.770.89
ADV3.000.140.43
2.000.000.00

Traits (43 total)

NameCharactersImportanceWeight
Micro Bikini Clothes22.212.43
Condom Sex Engages in (Sexual)22.142.35
Double-ended Dildo Subject of (Sexual)22.102.31
Spit-roast Subject of (Sexual)21.751.92
Double Penetration (Group Sex) Subject of (Sexual)21.651.81
Speculum (Sexual) Subject of (Sexual)12.541.76
Armpit Sex Engages in (Sexual)12.481.72
Blowbang Engages in (Sexual)12.431.69
Group Sex Engages in (Sexual)21.511.66
Incest Engages in (Sexual)21.471.61
Seventh Posture Subject of (Sexual)21.461.61
Shrug Clothes12.291.59
Lesbian Sex Engages in (Sexual)21.381.52
Bukkake Subject of (Sexual)21.351.48
Pubic Hair Hair21.341.47
Ahegao Engages in (Sexual)21.321.45
Anal Sex Subject of (Sexual)21.191.31
Standing Sex Subject of (Sexual)21.181.29
Butterfly Subject of (Sexual)21.171.29
Infidelity Engages in11.801.24
Sport Bloomers Clothes11.721.19
Boobjob Engages in (Sexual)21.071.17
Sitting Sex Subject of (Sexual)21.061.17
Garter Belt Stockings Clothes11.621.12
Big Breast Sizes Body11.551.08
Jeans Clothes11.551.08
Wife Role11.531.06
Cowgirl Subject of (Sexual)20.951.05
Mother Role11.461.01
Daughter Role11.451.01
Nipple Sucking Subject of (Sexual)11.380.96
Adult Body11.340.93
Dress Clothes11.250.87
Blowjob Engages in (Sexual)20.760.84
Cunnilingus Subject of (Sexual)11.160.81
Handjob Engages in (Sexual)11.160.80
Brown Hair20.680.75
Vaginal Fingering Subject of (Sexual)11.080.75
Violet Eyes11.050.72
Shoulder-length Hair10.920.64
Blue Eyes10.800.56
Young-adult Body10.760.53
Long Hair10.750.52