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Summary

Because Hiroki's father died, his mother, Shiori, has raised him alone. To repay her, Hiroki has taken her to a hot spring for a vacation. Secretly, Hiroki loves his mother as a woman. When she gets drunk and suggests they bathe together, it starts a fire in Hiroki that won't calm down...

Mama no Bonyuu
Mama no Bonyuu
NAN%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Artist Heroine
  • Artist Protagonist
  • Boobjob
  • Lactation During Sex
Rating 6.4929 Users
Onee x Shota
Onee x Shota
NAN%
Tags
  • Shimaidon with Twins Ending
  • Sister/Sister Incest
  • Triple Blowjob
  • Shota Protagonist
  • Twin Sisters as Heroines
Rating 6.3822 Users
Aniyome wa Ijippari
Aniyome wa Ijippari
NAN%
Tags
  • In-law Incest
  • Protagonist's Sister-in-Law as a Heroine
  • University Student Protagonist
  • Lots of Choices
  • Married Heroine
Rating 7.5751 Users
Hani Tsuma Hs ~After Wedding~
Hani Tsuma Hs ~After Wedding~
NAN%
Tags
  • Deredere Heroine
  • Cousin Romance
  • Student-Teacher Romance
  • Class President Heroine
  • Impregnation
Rating 7.6234 Users
Anata no Koto o Suki to Iwasete
Anata no Koto o Suki to Iwasete
NAN%
Tags
  • Delusional Heroine
  • Kendo Club
  • Onna Bugeisha Heroine
  • Genius Protagonist
  • Foolish Parent Support Character
Rating 6.9082 Users
Pure x Lover -Ane to Osananajimi to H na Kankei-
Pure x Lover -Ane to Osananajimi to H na Kankei-
NAN%
Tags
  • Quadruple+ Blowjob
  • Urethral Intercourse
  • Reverse Piledriver
  • Sadist Heroine
  • Blood-related Mother/Daughter Incest
Rating 6.6229 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 Blood-related Heroines
  • Only Older Heroines
  • Naked Heroine with Apron
Rating 6.5338 Users
Sukechatte!! ~Kyuushi ni Isshou o Ete Noumitsu Second Life~
Sukechatte!! ~Kyuushi ni Isshou o Ete Noumitsu Second Life~
NAN%
Tags
  • Protagonist with Superpowered Side
  • Invisibility
  • High Amount of Special Effects
  • Defloration During Common Route
  • Shapeshifting
Rating 6.4823 Users
Seiso na Aniyome wa Ore Dake no Inran Niku Onaho
Seiso na Aniyome wa Ore Dake no Inran Niku Onaho
NAN%
Tags
  • In-law Incest
  • Netori
  • Protagonist's Sister-in-Law as a Heroine
  • Narrating Others' Thoughts
  • Shimaidon Ending
Rating 6.9743 Users
Ikenai Kozukuri ~Shin
Ikenai Kozukuri ~Shin'yuu no Okaa-san ni Tanetsuke Shimakuru Isshuukan~
NAN%
Tags
  • No "Keep Voice on Click" Option
  • Netori
  • Infidelity
  • Impregnation
  • Married Heroine
Rating 6.9149 Users
Oyako Neburi ~Sasou Hitozuma Dakaretai Oyako~
Oyako Neburi ~Sasou Hitozuma Dakaretai Oyako~
NAN%
Tags
  • Incest Romance
  • Daydreams
  • Oyakodon Ending
  • Widow Heroine
  • Middle School Student Heroine
Rating 6.8457 Users
Musuko no Inbou ni Chietsu Suru Haha ~ Mama o Gifu ni Watasanai!
Musuko no Inbou ni Chietsu Suru Haha ~ Mama o Gifu ni Watasanai!
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Netori
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 5.9526 Users
Okaa-san wa Ore Sen
Okaa-san wa Ore Sen'you! ~Anata no Hajimete o... Okaa-san ga Moratte A-ge-ru~
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Text-only Sexual Content
  • Only Older Heroines
  • Sexual Cosplay
Rating 6.5133 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
  • Brother/Sister Romance
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
Rating 5.6521 Users
Shinkon Netorare Seikatsu ~Gomennasai, Anata. Kon
Shinkon Netorare Seikatsu ~Gomennasai, Anata. Kon'yaku, Kekkon, Shussan, Zutto Watashi wa Oji-san ni...~
NAN%
Tags
  • Elderly Sex
  • Netorare
  • Oyaji Hero
  • Stockings
  • Sex on Toilet
Rating 6.5427 Users
Hitozuma♪ Kasumi-san ~Oyako to Kyoudou Seikatsu~
Hitozuma♪ Kasumi-san ~Oyako to Kyoudou Seikatsu~
NAN%
Tags
  • Aunt/Niece Incest
  • Protagonist's Aunt as a Heroine
  • Aunt/Nephew Incest
  • Blood-related Aunt/Nephew Incest
  • Heroine with Flat Chest (Non-Loli)
Rating 7.3134 Users
Akogare no Okaa-san
Akogare no Okaa-san
NAN%
Tags
  • Non-blood-related Mother/Son Incest
  • Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Early Branching Plot
  • Protagonist's Non-blood-related Mother as a Heroine
Rating 6.5337 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 7.3330 Users
Jukuren Ganbou ~Himeta Omoi to Midara na Ai no Katachi~
Jukuren Ganbou ~Himeta Omoi to Midara na Ai no Katachi~
NAN%
Tags
  • Businesswoman Heroine
  • Multiple Credit Rolls
  • Twin Footjob
  • Pure Love Story
  • Sex at Work
Rating 6.9224 Users
Koitsuma Biyori ~Yukino-san wa Hitozuma Kanrinin~
Koitsuma Biyori ~Yukino-san wa Hitozuma Kanrinin~
NAN%
Tags
  • Divorcee Heroine
  • Apartment Building
  • Track Display
  • University Student Protagonist
  • Heroine with Children
Rating 7.0746 Users
Konayuki Fururi ~Yuzuhara-chou Curling-bu~
Konayuki Fururi ~Yuzuhara-chou Curling-bu~
NAN%
Tags
  • Curling
  • Farmer Heroine
  • Protagonist's Senpai as a Heroine
  • Winter
  • Branching Plot
Rating 6.7928 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 7.3489 Users
Nami no Mani Mani ~Sazanami Shinryoujo~
Nami no Mani Mani ~Sazanami Shinryoujo~
NAN%
Tags
  • Barmaid Heroine
  • Medical Doctor Protagonist
  • Island
  • Hetare Protagonist
  • Sickly Heroine
Rating 7.4028 Users
Gibo to Oba ~Soshite Yuujin no Haha~
Gibo to Oba ~Soshite Yuujin no Haha~
NAN%
Tags
  • Protagonist's Aunt as a Heroine
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Mother/Son Incest
  • Consensual Group Sex of One Female and Several Males
  • Heroine with Kimono
Rating 6.9830 Users
Tsuma to Musuko ni Barete wa Ikenai Haitoku no Binetsu ~Ayamachi no Mitsuai 2~
Tsuma to Musuko ni Barete wa Ikenai Haitoku no Binetsu ~Ayamachi no Mitsuai 2~
30%
Tags
  • In-law Incest
  • Non-blood-related Father/Daughter Incest
  • Netori
  • Protagonist with Children
  • Onsen
Rating 6.3520 Users
Mariko-sanchi no Seijijou ~Oba-san wa Boku no Mono~
Mariko-sanchi no Seijijou ~Oba-san wa Boku no Mono~
30%
Tags
  • Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Divorcee Heroine
  • Protagonist's Cousin as a Heroine
  • Childishly Violent Heroine
Rating 6.8628 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?
30%
Tags
  • Forbidden Love
  • Chuunibyou Heroine
  • Brother/Sister Romance
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
Rating 5.6521 Users
Okaa-san wa Ore Sen
Okaa-san wa Ore Sen'you! ~Anata no Hajimete o... Okaa-san ga Moratte A-ge-ru~
29%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Text-only Sexual Content
  • Only Older Heroines
  • Sexual Cosplay
Rating 6.5133 Users
Musuko no Inbou ni Chietsu Suru Haha ~ Mama o Gifu ni Watasanai!
Musuko no Inbou ni Chietsu Suru Haha ~ Mama o Gifu ni Watasanai!
29%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Netori
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 5.9526 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 6.9149 Users
Oyako Neburi ~Sasou Hitozuma Dakaretai Oyako~
Oyako Neburi ~Sasou Hitozuma Dakaretai Oyako~
28%
Tags
  • Incest Romance
  • Daydreams
  • Oyakodon Ending
  • Widow Heroine
  • Middle School Student Heroine
Rating 6.8457 Users
Sukechatte!! ~Kyuushi ni Isshou o Ete Noumitsu Second Life~
Sukechatte!! ~Kyuushi ni Isshou o Ete Noumitsu Second Life~
27%
Tags
  • Protagonist with Superpowered Side
  • Invisibility
  • High Amount of Special Effects
  • Defloration During Common Route
  • Shapeshifting
Rating 6.4823 Users
Seiso na Aniyome wa Ore Dake no Inran Niku Onaho
Seiso na Aniyome wa Ore Dake no Inran Niku Onaho
27%
Tags
  • In-law Incest
  • Netori
  • Protagonist's Sister-in-Law as a Heroine
  • Narrating Others' Thoughts
  • Shimaidon Ending
Rating 6.9743 Users
Hitozuma♪ Kasumi-san ~Oyako to Kyoudou Seikatsu~
Hitozuma♪ Kasumi-san ~Oyako to Kyoudou Seikatsu~
27%
Tags
  • Aunt/Niece Incest
  • Protagonist's Aunt as a Heroine
  • Aunt/Nephew Incest
  • Blood-related Aunt/Nephew Incest
  • Heroine with Flat Chest (Non-Loli)
Rating 7.3134 Users
Amai Seikatsu -Saikou no Gibo to Saikou no Gishimai-
Amai Seikatsu -Saikou no Gibo to Saikou no Gishimai-
27%
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 7.3330 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 7.0746 Users
Miboujin Sanae "Watashi ga Hajimete de Ii no......?"
Miboujin Sanae "Watashi ga Hajimete de Ii no......?"
26%
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 7.3489 Users
Gibo to Oba ~Soshite Yuujin no Haha~
Gibo to Oba ~Soshite Yuujin no Haha~
26%
Tags
  • Protagonist's Aunt as a Heroine
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Mother/Son Incest
  • Consensual Group Sex of One Female and Several Males
  • Heroine with Kimono
Rating 6.9830 Users
Yuuwaku Kazoku Ecchi ~Mama to Imouto-tachi no Amai Onedari~
Yuuwaku Kazoku Ecchi ~Mama to Imouto-tachi no Amai Onedari~
26%
Tags
  • Mother/Son Incest
  • Incest Romance
  • Only Blood-related Heroines
  • Blood-related Mother/Son Incest
  • Shimaidon with Twins Ending
Rating 6.3135 Users
Hitozuma♪ Kasumi-san 2 ~Oku-sama - Miboujin Owner to Kyoudou Seikatsu~
Hitozuma♪ Kasumi-san 2 ~Oku-sama - Miboujin Owner to Kyoudou Seikatsu~
26%
Tags
  • Only Adult Heroines
  • Vaginal Gaping
  • Widow Heroine
  • Stockings
  • Sexual Cosplay
Rating 7.1720 Users
Oshioki ~Gakuen Reijou Kousei Keikaku~
Oshioki ~Gakuen Reijou Kousei Keikaku~
25%
Tags
  • Single Hole Multiple Objects Insertion (obsolete)
  • Vaginal Gaping
  • Pissing on Others
  • Oyakodon Ending
  • All-girls School
Rating 7.0320 Users
Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~
Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~
25%
Tags
  • Cousin Incest
  • Sister/Sister Incest
  • Aunt/Nephew Incest
  • Blood-related Sister/Sister Incest
  • Protagonist's Cousin as a Heroine
Rating 7.1543 Users
Futago Haha
Futago Haha
25%
Tags
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Protagonist's Blood-related Mother as a Heroine
  • Twin Sisters as Heroines
  • Mother Support Character
Rating 6.2535 Users
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
25%
Tags
  • Widow Heroine
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Mother/Son Romance
  • Netori
Rating 6.8960 Users
Hitozuma Dorei Keikaku
Hitozuma Dorei Keikaku
25%
Tags
  • Urination Fetish
  • Dramatic Love Triangle
  • Revenge
  • Heroine with Garter Belt
  • Protagonist's Sister as a Support Character
Rating 6.9124 Users
Kyonyuubo ~Okaa-san wa Dare ni mo Watasanai~
Kyonyuubo ~Okaa-san wa Dare ni mo Watasanai~
25%
Tags
  • Rounin Protagonist
  • Protagonist's Blood-related Mother as a Heroine
  • Molestation on Public Transport
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 6.2523 Users
Aneimo Neo ~Second Sisters~
Aneimo Neo ~Second Sisters~
25%
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 7.1137 Users
Kioku Soushitsu no Okaa-san
Kioku Soushitsu no Okaa-san
25%
Tags
  • Unbeknown Incest
  • No "Keep Voice on Click" Option
  • Widow Heroine
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
Rating 6.2942 Users

Intou Joubo ~Yukemuri ni Ukabu Bibo no Karada 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 (50 total)

NameScoreImportanceWeight
Onsen2.502.075.19
Blood-related Mother/Son Incest2.671.854.93
Widow Heroine2.501.974.92
Forbidden Love2.002.224.45
Protagonist's Blood-related Mother as a Heroine2.331.894.41
Salaryman Protagonist2.002.194.37
Only Blood-related Heroines2.002.094.17
Drunk Sex2.002.084.15
Only Older Heroines2.002.074.15
Interactive Touching Game2.002.074.13
Yamato Nadeshiko Heroine2.002.034.06
Heroine with Kimono2.001.883.76
Wake-up Sex2.001.813.62
Heroine with Beauty Mark2.001.803.60
Airhead Heroine2.001.783.57
Only Non-Virgin Heroines2.001.773.55
Sounds of Copulation2.501.293.22
Piledriver2.001.593.18
Sexual Blindfold2.001.533.05
Only Adult Heroines2.001.482.96
Sex in Front of an Audience2.001.472.94
Kissing Scene2.001.442.88
Pissing2.001.442.88
Erotic Spanking2.001.442.87
Sex in Water2.001.412.82
High Sexual Content2.501.052.63
Mother/Son Romance1.002.562.56
Only a Single Heroine2.501.022.54
Vaginal Fingering2.001.252.50
Single Boobjob2.001.152.29
Other Perspectives2.001.132.27
Sex with Protagonist Only2.001.132.26
Quickie Fix Position2.001.112.23
Sex in Public Places2.001.092.17
Standing Sex2.001.052.11
Sitting Sex2.001.052.11
Naked Sprites2.001.052.10
Outdoor Sex2.000.991.99
Single Blowjob2.000.951.91
Missionary Position2.000.941.88
Heroine with Big Breasts2.000.841.68
Condoms1.001.651.65
Nukige2.500.651.62
Doggy Style2.000.801.61
Multiple Endings2.000.671.34
Cunnilingus1.000.930.93
Male Protagonist2.500.300.75
Adult Protagonist0.671.020.68
ADV3.000.140.43
2.000.000.00

Traits (79 total)

NameCharactersImportanceWeight
Mother Complex Personality13.102.15
Petting With Object Subject of (Sexual)12.851.98
Body Food Engages in (Sexual)12.821.96
Drinking Engages in21.611.77
Piledriver Engages in (Sexual)12.551.77
Single Parent Role12.501.74
Wake-up Sex Subject of (Sexual)12.481.72
Sex in Water Engages in (Sexual)21.561.72
No Panties Clothes12.401.67
Drunk Sex Engages in (Sexual)12.401.67
Incest Engages in (Sexual)21.471.61
Office Worker Role12.311.60
Food Play Engages in (Sexual)12.231.55
Widow Role12.201.53
Seduction Engages in12.171.51
Fainting Subject of12.141.49
Mouth Gag Subject of (Sexual)12.141.48
Court Shoes Clothes12.111.46
Wedding Ring Clothes12.001.39
Yamato Nadeshiko Role12.001.38
Erotic Spanking Subject of (Sexual)11.961.36
Piledriver Subject of (Sexual)11.941.35
Airhead Personality11.921.33
Quickie Fix Engages in (Sexual)11.881.30
Boobjob Subject of (Sexual)11.861.29
Discreet Sex Engages in (Sexual)11.851.29
Sexual Blindfold Subject of (Sexual)11.851.29
Yukata Clothes11.851.28
Strict Personality11.831.27
Sitting Sex Engages in (Sexual)11.821.26
Son Role11.821.26
Handjob Subject of (Sexual)11.751.21
Missionary Engages in (Sexual)11.741.21
Doggy Style Engages in (Sexual)11.681.17
Stubborn Personality11.671.16
Kind Personality21.031.13
Vaginal Fingering Engages in (Sexual)11.621.12
Mole Body11.581.10
Ore Personality11.581.09
Kimono Clothes11.571.09
Cunnilingus Engages in (Sexual)11.551.08
Refined Personality11.541.07
Blowjob Subject of (Sexual)11.521.05
Sex in Front of an Audience Engages in (Sexual)11.501.04
Pissing Engages in (Sexual)11.471.02
Mother Role11.461.01
Suit Clothes11.441.00
Not a Virgin Role11.410.98
Masturbation Engages in (Sexual)11.390.97
Female Ejaculation Engages in (Sexual)11.360.94
Skirt Clothes11.340.93
Black Hair20.800.88
Belt Clothes11.270.88
Sex in Public Places Engages in (Sexual)11.260.87
Watashi Personality11.250.87
Parted in Middle Hair11.250.87
Young-adult Body20.760.84
Standing Sex Subject of (Sexual)11.180.81
Cunnilingus Subject of (Sexual)11.160.81
Shirt Clothes11.160.80
Outdoor Sex Engages in (Sexual)11.160.80
Handjob Engages in (Sexual)11.160.80
Big Breasts Body11.130.78
Missionary Subject of (Sexual)11.120.77
Necktie Clothes11.120.77
Quickie Fix Subject of (Sexual)11.080.75
Vaginal Fingering Subject of (Sexual)11.080.75
Boobjob Engages in (Sexual)11.070.74
Sitting Sex Subject of (Sexual)11.060.74
Sidehair Hair10.980.68
Straight Hair10.940.65
Doggy Style Subject of (Sexual)10.920.64
Virgin Sex Engages in (Sexual)10.850.59
Blue Eyes10.800.56
Blowjob Engages in (Sexual)10.760.53
Long Hair10.750.52
Short Hair10.610.42
Slim Body10.580.40
Pale Body10.370.26