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Summary

The main character is Takeru. His parents are now abroad and he temporarily lives at his uncle's house. His uncle rarely comes back home, but he enjoys his life there with Mariko, his aunt, and Akine, her daughter. He, however, gradually falls in love with Mariko though he knows it is forbidden. One day, he accidentally sees Mariko masturbating. He can't control his libido anymore and finally sleeps with Mariko.... [From ErogeShop]

Kinshin Souai ~Haha ni Koi Shita Boku~
Kinshin Souai ~Haha ni Koi Shita Boku~
NAN%
Tags
  • Haraguro Heroine
  • Only One Good Ending
  • Dildos
  • Villainous Heroine
  • Tribadism
Rating 6.6430 Users
Inbo Rannyuu Soukan ~Boku no Seishi de, Mama o Ippai ni Shiteageru~
Inbo Rannyuu Soukan ~Boku no Seishi de, Mama o Ippai ni Shiteageru~
NAN%
Tags
  • Protagonist's Son as a Hero
  • Pornography
  • Protagonist with Big Breasts
  • Only Blood-related Heroines
  • Modern Day Japan
Rating 5.9141 Users
Ijikuri Mama 2
Ijikuri Mama 2
NAN%
Tags
  • Shotacon
  • Straight Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Shota Protagonist
  • Blood-related Mother/Son Incest
Rating 5.4233 Users
Ranbo ~Miboujin Haha no Ureta Nikutai~
Ranbo ~Miboujin Haha no Ureta Nikutai~
NAN%
Tags
  • Heroine with Inverted Nipples
  • Only Blood-related Heroines
  • Blood-related Mother/Son Incest
  • Protagonist with Children
  • Heroine with Tights
Rating 6.6527 Users
Nymphomania
Nymphomania
NAN%
Tags
  • Promiscuity
  • Nympho Heroine
  • Sexual Fantasizing
  • Short Sexual Scenes
  • Non-blood-related Mother/Son Incest
Rating 6.5638 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
Kioku Soushitsu no Okaa-san
Kioku Soushitsu no Okaa-san
NAN%
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
Oppai Kaijuu Akanegon ~Katei Kyoushi wa do S Chijo~
Oppai Kaijuu Akanegon ~Katei Kyoushi wa do S Chijo~
NAN%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Female Domination
  • Impregnation
  • Nympho Heroine
Rating 6.6826 Users
Aru Kazoku no Kankeizu
Aru Kazoku no Kankeizu
NAN%
Tags
  • Asian-style Manor
  • Sex Swing
  • Sexual Slavery (Choukyou Variation)
  • Non-blood-related Mother/Son Incest
  • Non-blood-related Brother/Sister Incest
Rating 7.1858 Users
Yokorenbo ~Immoral Mother~
Yokorenbo ~Immoral Mother~
NAN%
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
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
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
NAN%
Tags
  • Widow Heroine
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Mother/Son Romance
  • Netori
Rating 6.8960 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
Futago Haha
Futago Haha
NAN%
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
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
Zubu Nure no Ane Kasumi "Watashi no Mizugi ni Sonna Kitanai Mono, Shimikomasenaide!"
Zubu Nure no Ane Kasumi "Watashi no Mizugi ni Sonna Kitanai Mono, Shimikomasenaide!"
NAN%
Tags
  • Swimming Club
  • Protagonist's Sister-in-Law as a Heroine
  • Heroine with Swimsuits
  • Rapist Protagonist
  • Revenge
Rating 7.0229 Users
Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~
Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~
NAN%
Tags
  • Cousin Incest
  • Sister/Sister Incest
  • Aunt/Nephew Incest
  • Blood-related Sister/Sister Incest
  • Protagonist's Cousin as a Heroine
Rating 7.1543 Users
Gibo no Milk wa Mitsu no Aji ~Ippai Nonde, Amaete ne~
Gibo no Milk wa Mitsu no Aji ~Ippai Nonde, Amaete ne~
NAN%
Tags
  • Non-blood-related Mother/Son Incest
  • Adult Breast Feeding
  • Only Protagonist's Relatives as Heroine(s)
  • Netori
  • University Student Protagonist
Rating 6.4420 Users
Tsun M! ~Gyutto Shibatte Shidoushite~
Tsun M! ~Gyutto Shibatte Shidoushite~
NAN%
Tags
  • Heroine with Inverted Nipples
  • Heroine with Tan Lines
  • Masochist Heroine
  • Heroine with Swimsuits
  • Tsundere Heroine
Rating 6.6620 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
Omae no Danna Datte Ore no Tsuma o Ubattan Dakara, Ii Darou? ~Fukushuu no Netori~
Omae no Danna Datte Ore no Tsuma o Ubattan Dakara, Ii Darou? ~Fukushuu no Netori~
NAN%
Tags
  • Consensual Phone Sex
  • Swinging
  • Molestation on Public Transport
  • Clothed Male Naked Female
  • Remote-controlled Vibrator
Rating 6.3321 Users
Intou Joubo ~Yukemuri ni Ukabu Bibo no Karada
Intou Joubo ~Yukemuri ni Ukabu Bibo no Karada
NAN%
Tags
  • Onsen
  • Blood-related Mother/Son Incest
  • Widow Heroine
  • Forbidden Love
  • Protagonist's Blood-related Mother as a Heroine
Rating 6.4427 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
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
Mama Goto
Mama Goto
39%
Tags
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Divorcee Heroine
  • Widow Heroine
  • Protagonist's Blood-related Mother as a Heroine
Rating 6.6730 Users
Kazoku Ai ~Okaa-san to Nee-san wa Boku no Mono~
Kazoku Ai ~Okaa-san to Nee-san wa Boku no Mono~
39%
Tags
  • Oyakodon Ending
  • Consensual Phone Sex
  • Dildos
  • Shotacon
  • Discreet Phone Sex
Rating 6.6138 Users
Futago Haha
Futago Haha
37%
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
Okaa-san wa Ore Sen
Okaa-san wa Ore Sen'you! ~Anata no Hajimete o... Okaa-san ga Moratte A-ge-ru~
34%
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
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
31%
Tags
  • Widow Heroine
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Mother/Son Romance
  • Netori
Rating 6.8960 Users
Yokorenbo ~Immoral Mother~
Yokorenbo ~Immoral Mother~
31%
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
Gibo to Oba ~Soshite Yuujin no Haha~
Gibo to Oba ~Soshite Yuujin no Haha~
31%
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
Oppai Kaijuu Akanegon ~Katei Kyoushi wa do S Chijo~
Oppai Kaijuu Akanegon ~Katei Kyoushi wa do S Chijo~
31%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Female Domination
  • Impregnation
  • Nympho Heroine
Rating 6.6826 Users
Aru Kazoku no Kankeizu
Aru Kazoku no Kankeizu
31%
Tags
  • Asian-style Manor
  • Sex Swing
  • Sexual Slavery (Choukyou Variation)
  • Non-blood-related Mother/Son Incest
  • Non-blood-related Brother/Sister Incest
Rating 7.1858 Users
Zubu Nure no Ane Kasumi "Watashi no Mizugi ni Sonna Kitanai Mono, Shimikomasenaide!"
Zubu Nure no Ane Kasumi "Watashi no Mizugi ni Sonna Kitanai Mono, Shimikomasenaide!"
31%
Tags
  • Swimming Club
  • Protagonist's Sister-in-Law as a Heroine
  • Heroine with Swimsuits
  • Rapist Protagonist
  • Revenge
Rating 7.0229 Users
Gibo no Milk wa Mitsu no Aji ~Ippai Nonde, Amaete ne~
Gibo no Milk wa Mitsu no Aji ~Ippai Nonde, Amaete ne~
30%
Tags
  • Non-blood-related Mother/Son Incest
  • Adult Breast Feeding
  • Only Protagonist's Relatives as Heroine(s)
  • Netori
  • University Student Protagonist
Rating 6.4420 Users
Akogare no Okaa-san
Akogare no Okaa-san
30%
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
Intou Joubo ~Yukemuri ni Ukabu Bibo no Karada
Intou Joubo ~Yukemuri ni Ukabu Bibo no Karada
30%
Tags
  • Onsen
  • Blood-related Mother/Son Incest
  • Widow Heroine
  • Forbidden Love
  • Protagonist's Blood-related Mother as a Heroine
Rating 6.4427 Users
Koitsuma Biyori ~Yukino-san wa Hitozuma Kanrinin~
Koitsuma Biyori ~Yukino-san wa Hitozuma Kanrinin~
30%
Tags
  • Divorcee Heroine
  • Apartment Building
  • Track Display
  • University Student Protagonist
  • Heroine with Children
Rating 7.0746 Users
Gakushoku no Oba-san ~Kaa-san no Shiru no Aji~
Gakushoku no Oba-san ~Kaa-san no Shiru no Aji~
30%
Tags
  • Unbeknown Incest
  • Yamato Nadeshiko Heroine
  • Heroine with Children
  • Cook Heroine
  • Mother/Son Romance
Rating 7.3257 Users
Amai Seikatsu -Saikou no Gibo to Saikou no Gishimai-
Amai Seikatsu -Saikou no Gibo to Saikou no Gishimai-
30%
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
Toraba!
Toraba!
30%
Tags
  • Romancing a Family
  • Swimming Club
  • Class President Heroine
  • Foolish Friend
  • Oyakodon Ending
Rating 6.8824 Users
Shimaizuma Marriage Disk - Shimaizuma Bubuzuke
Shimaizuma Marriage Disk - Shimaizuma Bubuzuke
29%
Tags
  • Asian-style Manor
  • Heroine With Kansai Accent
  • Childishly Violent Heroine
  • Married Heroine
  • Central Heroine
Rating 7.4320 Users
Kyonyuubo ~Okaa-san wa Dare ni mo Watasanai~
Kyonyuubo ~Okaa-san wa Dare ni mo Watasanai~
29%
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
Bloods ~Inraku no Ketsuzoku 2~
Bloods ~Inraku no Ketsuzoku 2~
29%
Tags
  • Heroine with Grandchildren
  • Incest Romance
  • Blood-related Incest
  • Family
  • Protagonist's Twin as a Heroine
Rating 7.1287 Users
♥ri no Natsuyasumi ~Oji-san Kansatsu Nikki~
♥ri no Natsuyasumi ~Oji-san Kansatsu Nikki~
29%
Tags
  • Mesugaki Heroine
  • Heroine with Tan Lines
  • Countryside
  • Uncle/Niece Incest
  • Sex Involving Children
Rating 6.5440 Users
Hitozuma Dorei Keikaku
Hitozuma Dorei Keikaku
29%
Tags
  • Urination Fetish
  • Dramatic Love Triangle
  • Revenge
  • Heroine with Garter Belt
  • Protagonist's Sister as a Support Character
Rating 6.9124 Users
Love Fetish ~Tekoki Hen~
Love Fetish ~Tekoki Hen~
28%
Tags
  • Flat Tints Only
  • High Sexual Content
  • Modern Day
  • Tsundere Heroine
  • Perverted Heroine
Rating 6.7722 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!
28%
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

Mariko-sanchi no Seijijou ~Oba-san wa Boku no Mono~ 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 (28 total)

NameScoreImportanceWeight
Aunt/Nephew Incest3.002.758.24
Protagonist's Aunt as a Heroine2.502.235.58
Divorcee Heroine2.002.525.04
Protagonist's Cousin as a Heroine2.501.884.71
Childishly Violent Heroine2.002.184.35
Heroine with Shorts2.002.104.20
Female Protagonist for a Short Time2.002.034.06
Cousin Incest2.002.014.02
Heroine with Kimono2.001.883.76
Oneesan-type Heroine2.001.833.66
Heroine with Sexual Experience3.001.213.63
Adult Heroine3.001.133.40
Summer2.001.663.33
Heroine with Swimsuits2.001.643.29
Netori2.001.593.18
Date Display2.001.492.99
Married Heroine2.001.422.84
Tsundere Heroine2.001.402.80
Perverted Heroine2.001.392.79
Branching Plot2.001.302.60
Under the Same Roof2.001.272.54
Pregnant Sex2.001.182.35
Sex with Protagonist Only2.001.132.26
Doggy Style2.000.801.61
Multiple Endings2.000.671.34
Lactation During Sex1.001.271.27
Male Protagonist2.000.300.60
ADV2.000.140.29

Traits (70 total)

NameCharactersImportanceWeight
Cousin Role21.872.06
Pre-Story Virginity Loss to Protagonist Role12.831.96
Spoons Subject of (Sexual)21.671.83
Uncle Role12.591.80
Model Role12.511.74
Stylish Personality12.391.66
Aunt Role12.371.64
Wise Personality12.351.63
Divorcee Role12.301.60
Infidelity Subject of12.281.58
Footjob Subject of (Sexual)12.181.51
Closet Pervert Personality12.161.50
Docile Personality12.041.42
Wedding Ring Clothes12.001.39
Yamato Nadeshiko Role12.001.38
Selfish Personality11.961.36
One Piece Swimsuit Clothes11.921.33
Slicked Back Hair11.911.32
Tsundere Personality11.871.30
Rude Personality11.871.29
Boobjob Subject of (Sexual)11.861.29
Handjob Engages in (Sexual)21.161.27
Mature Personality11.811.26
Husband Role11.801.25
Infidelity Engages in11.801.24
Short Shorts Clothes11.751.21
Footjob Engages in (Sexual)11.721.19
Arrogant Personality11.701.18
Father Role11.671.15
Garter Belt Stockings Clothes11.621.12
Lactation Engages in11.591.10
University Student Role11.591.10
Mole Body11.581.10
Clothing with Ribbons Clothes11.581.09
Kimono Clothes11.571.09
Pregnant Sex Engages in (Sexual)11.531.06
Blowjob Subject of (Sexual)11.521.05
Pendant Necklace Clothes11.521.05
Incest Engages in (Sexual)11.471.02
Mother Role11.461.01
Bikini Clothes11.461.01
Daughter Role11.451.01
Tank Top Clothes11.410.98
Hair Tie Clothes11.410.97
Tsurime Eyes11.380.96
Female Ejaculation Engages in (Sexual)11.360.94
Tominagi Subject of (Sexual)11.360.94
Adult Body11.340.93
Skirt Clothes11.340.93
Red Hair11.320.92
Trousers Clothes11.190.82
Standing Sex Subject of (Sexual)11.180.81
Butterfly Subject of (Sexual)11.170.81
Cunnilingus Subject of (Sexual)11.160.81
Shirt Clothes11.160.80
Necktie Clothes11.120.77
Brown Hair20.680.75
Quickie Fix Subject of (Sexual)11.080.75
Boobjob Engages in (Sexual)11.070.74
Parted to Side Hair11.050.73
Amber Eyes11.030.71
Kind Personality11.030.71
Green Eyes11.020.70
Cowgirl Subject of (Sexual)10.950.66
Doggy Style Subject of (Sexual)10.920.64
Shoulder-length Hair10.920.64
Blue Eyes10.800.56
Blowjob Engages in (Sexual)10.760.53
Young-adult Body10.760.53
Long Hair10.750.52