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Summary

The main character is Mamoru. He lives with his father, mother, and older sister. It looks like he just lives a peaceful life surrounded by good family members, but he is crooked a little bit.... Yes, he just gets sexually excited by his mother and older sister. He secretly peeks into their rooms and enjoys watching them. One day, his crooked libido finally explodes when his father is abroad on business.... [From ErogeShop]

Inbo Rannyuu Soukan ~Boku no Seishi de, Mama o Ippai ni Shiteageru~
Inbo Rannyuu Soukan ~Boku no Seishi de, Mama o Ippai ni Shiteageru~
0%
Tags
  • Pornography
  • Protagonist's Blood-related Mother as a Heroine
  • Modern Day Japan
  • Under the Same Roof
  • Blackmail
Rating 6.0434 Users
Kouman na Oku-san wa Suki Desu ka? ~Gouman Hitozuma Kyoushi no Otoshikata~
Kouman na Oku-san wa Suki Desu ka? ~Gouman Hitozuma Kyoushi no Otoshikata~
0%
Tags
  • Sex with Protagonist Only
  • No Virgin Heroines
  • Sex on a Beach
  • Married Heroine
  • Female Protagonist for a Short Time
Rating 6.4721 Users
Musuko no Tomodachi ni Okasarete
Musuko no Tomodachi ni Okasarete
0%
Tags
  • Lots of Event CGs
  • Rape with Blackmail
  • Modern Day
  • Married Heroine
  • Blood-related Mother/Son Incest
Rating 7.0350 Users
Kansen Ball Buster
Kansen Ball Buster
0%
Tags
  • Epidemic
  • Only Avoidable Sex with Others
  • Only Avoidable Heroine Having Sex with Others
  • Netorare Type B
  • Only Avoidable Protagonist Rape
Rating 6.2630 Users
Ijikuri Mama 2
Ijikuri Mama 2
0%
Tags
  • Straight Shotacon
  • Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Consumption of Pornography
  • Blood-related Mother/Son Incest
Rating 5.8629 Users
Bitch Kazoku Hentai na Nichijou ~Dare to demo Yarechau Ijou na Sekai~
Bitch Kazoku Hentai na Nichijou ~Dare to demo Yarechau Ijou na Sekai~
0%
Tags
  • Blood-related Father/Son Incest
  • Male Pregnancy
  • Grandfather/Granddaughter Incest
  • Elderly Sex
  • Blood-related Father/Daughter Incest
Rating 6.1023 Users
Princess Ultima ~Chijo to Noroi no Yubiwa~
Princess Ultima ~Chijo to Noroi no Yubiwa~
0%
Tags
  • Princess Protagonist
  • Lesbian Rape
  • Non-consensual Erotic Humiliation
  • Perverted Protagonist
  • Butler Hero
Rating 6.0326 Users
Musuko no Tame nara Midara ni Nareru Haha
Musuko no Tame nara Midara ni Nareru Haha
0%
Tags
  • Blood-related Mother/Son Incest
  • Infidelity
  • Protagonist's Blood-related Mother as a Heroine
  • Protagonist Selection
  • Nympho Heroine
Rating 6.5140 Users
Tsuboi-kun no Switch!
Tsuboi-kun no Switch!
0%
Tags
  • Shota Protagonist
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Pegging
  • Penile Masturbation
Rating 6.9052 Users
Hitozuma ga Wakai Juuyoku ni Otosareru Toki
Hitozuma ga Wakai Juuyoku ni Otosareru Toki
0%
Tags
  • Netorare Type A
  • Masturbation Involving Food
  • Voyeurism
  • Discreet Phone Sex
  • Shota Protagonist
Rating 6.6221 Users
Kuronijibon 2
Kuronijibon 2
0%
Tags
  • Mother Support Character
  • Heroine with Psychological Problems
  • Cousin Incest
  • Anthology
  • Cousin Romance
Rating 6.4420 Users
Mama Mama Mama
Mama Mama Mama
0%
Tags
  • Grandmother/Grandson Incest
  • Non-blood-related Mother/Son Incest
  • Divorcee Heroine
  • Heroine With Kansai Accent
  • Protagonist's Non-blood-related Mother as a Heroine
Rating 6.7745 Users
Sweet Honey Family - Musume to Tsuma ni Amai wa Chichi no Narahi
Sweet Honey Family - Musume to Tsuma ni Amai wa Chichi no Narahi
0%
Tags
  • Father/Daughter Romance
  • Protagonist's Blood-related Daughter as a Heroine
  • Fathercon Heroine
  • Blood-related Father/Daughter Incest
  • Protagonist's Wife as a Heroine
Rating 6.6737 Users
Musume Seizon Yuugi 1/ 5
Musume Seizon Yuugi 1/ 5
0%
Tags
  • Protagonist's Blood-related Daughter as a Heroine
  • Protagonist's Non-blood-related Daughter as a Heroine
  • Non-blood-related Father/Daughter Incest
  • Dying Protagonist
  • Blood-related Father/Daughter Incest
Rating 5.9528 Users
Shion no Ketsuzoku ~Kono Futashika na Sekai to Tenshi-tachi no Rondo~
Shion no Ketsuzoku ~Kono Futashika na Sekai to Tenshi-tachi no Rondo~
0%
Tags
  • Protagonist's Twin as a Heroine
  • Vampire Hunter Heroine
  • Vampire
  • Vampire Heroine
  • Unavoidable Rape
Rating 6.1622 Users
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
0%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Incest Romance
  • Widow Heroine
  • Blood-related Mother/Son Incest
  • Netori
Rating 6.5145 Users
Shimaizuma ~Shimaizuma 3~
Shimaizuma ~Shimaizuma 3~
0%
Tags
  • Asian-style Manor
  • Heroine With Kansai Accent
  • Unrequited Love
  • Childishly Violent Heroine
  • Brief Branches Only
Rating 6.5020 Users
Hitozuma Gui ~Manbiki G-man Chijoku Nikki~
Hitozuma Gui ~Manbiki G-man Chijoku Nikki~
0%
Tags
  • Married Heroine
  • Unlockable Harem Ending
  • Protagonist with Sexual Experience
  • Rape with Blackmail
  • Rapist Protagonist
Rating 6.4734 Users
Ai Suru Musuko no Shitsukekata ~Mama-tachi no Otoko no Ko M Ka Kyouiku~
Ai Suru Musuko no Shitsukekata ~Mama-tachi no Otoko no Ko M Ka Kyouiku~
0%
Tags
  • Straight Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Shota Protagonist
  • Shotacon
  • Female Domination
Rating 5.7828 Users
Eroge Shiyou yo!
Eroge Shiyou yo!
0%
Tags
  • Romancing a Family
  • Production of Pornography (Drawn)
  • Otaku Protagonist
  • Armpit Sex
  • Otaku Heroine
Rating 6.1021 Users
Saiminbo
Saiminbo
0%
Tags
  • Erotic Mind Control
  • Principal Heroine
  • Clothing ON/OFF
  • All Adult Heroines
  • School Nurse Heroine
Rating 6.5343 Users
Mama, Onani Suru Kurai Nara Boku ga Shite Ageru yo!
Mama, Onani Suru Kurai Nara Boku ga Shite Ageru yo!
0%
Tags
  • Armbinder
  • Sexual Roleplay
  • No Virgin Heroines
  • Sexual Slavery (Consensual)
  • Heroine with Catsuit
Rating 6.1229 Users
Moshimo Konna Shopping Mall ga Attara!? Ikimasu☆
Moshimo Konna Shopping Mall ga Attara!? Ikimasu☆
0%
Tags
  • Fortune-teller Heroine
  • Spontaneous Sex Scenes
  • Oneesan-type Heroine
  • Shimaidon with Twins
  • Paraphilic Infantilism
Rating 6.3824 Users
Miboujin Sanae "Watashi ga Hajimete de Ii no......?"
Miboujin Sanae "Watashi ga Hajimete de Ii no......?"
0%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Heroine with Inverted Nipples
  • Alcoholism
  • Sex with Protagonist Only
  • Female Protagonist for a Short Time
Rating 6.9560 Users
Hitozuma Dorei Keikaku
Hitozuma Dorei Keikaku
44%
Tags
  • Revenge
  • Dramatic Love Triangle
  • Urination Fetish
  • Heroine with Garter Belt
  • Oyakodon
Rating 6.4822 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!
43%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • No Virgin Heroines
  • Netori
  • Discreet Phone Sex
Rating 6.0021 Users
Mariko-sanchi no Seijijou ~Oba-san wa Boku no Mono~
Mariko-sanchi no Seijijou ~Oba-san wa Boku no Mono~
43%
Tags
  • Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Divorcee Heroine
  • Protagonist's Cousin as a Heroine
  • Heroine with Sexual Experience
Rating 6.5322 Users
Gibo to Oba ~Soshite Yuujin no Haha~
Gibo to Oba ~Soshite Yuujin no Haha~
40%
Tags
  • Protagonist's Aunt as a Heroine
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Mother/Son Incest
  • Heroine with Big Breasts
  • Consensual Group Sex of One Female and Several Males
Rating 6.5524 Users
Mama no Sakuranbo Gari
Mama no Sakuranbo Gari
39%
Tags
  • Shotacon Heroine
  • Buttjob
  • Nympho Protagonist
  • Infidelity
  • Promiscuous Heroine
Rating 6.0126 Users
Kazoku Koukan Ane-Haha-Imouto
Kazoku Koukan Ane-Haha-Imouto
37%
Tags
  • Only Avoidable Rape Scenes
  • Incest Romance
  • Heroine with Children
  • Cousin Incest
  • Protagonist's Older Sister as a Heroine
Rating 6.2735 Users
Himegoto-Ai ~Hameru Oyako no Kimochi Yosa~
Himegoto-Ai ~Hameru Oyako no Kimochi Yosa~
36%
Tags
  • Heroine with Huge Breasts
  • Palace
  • Queen Heroine
  • Royal Protagonist
  • Protagonist's Older Sister as a Heroine
Rating 6.3129 Users
Yakata Jukujo ~The Immoral Residence~
Yakata Jukujo ~The Immoral Residence~
36%
Tags
  • Non-blood-related Mother/Son Incest
  • Obacon
  • Butler Protagonist
  • Protagonist with Phimosis
  • Harem Ending with Theme
Rating 6.8628 Users
Futago Haha
Futago Haha
35%
Tags
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Protagonist's Blood-related Mother as a Heroine
  • Mother Support Character
  • Twin Sisters as Heroines
Rating 6.3626 Users
Amai Seikatsu -Saikou no Gibo to Saikou no Gishimai-
Amai Seikatsu -Saikou no Gibo to Saikou no Gishimai-
35%
Tags
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Mother/Son Romance
  • Non-blood-related Brother/Sister Incest
  • Protagonist's Non-blood-related Sister as a Heroine
Rating 6.7221 Users
Reijou no Himitsu
Reijou no Himitsu
34%
Tags
  • Heroine's Mother as a Heroine
  • Shimaidon
  • Romancing a Family
  • Protagonist's Girlfriend as a Heroine
  • Oyakodon
Rating 6.0124 Users
Gibo no Toiki ~Haitokushin ni Tadayou Haha no Iroka~
Gibo no Toiki ~Haitokushin ni Tadayou Haha no Iroka~
33%
Tags
  • Shopkeeper Heroine
  • All Adult Heroines
  • Heroine with Anal Hair
  • Heroine with Armpit Hair
  • No Virgin Heroines
Rating 6.8328 Users
Shoubo Seika ~Haitoku no Majiwari~
Shoubo Seika ~Haitoku no Majiwari~
32%
Tags
  • Hero with Visible Underwear
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Prostitute Heroine
  • Actress Heroine
Rating 6.5335 Users
Oppai Kaijuu Akanegon ~Katei Kyoushi wa do S Chijo~
Oppai Kaijuu Akanegon ~Katei Kyoushi wa do S Chijo~
32%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Shotacon
  • Female Domination
  • Impregnation
Rating 6.3220 Users
Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~
Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~
32%
Tags
  • Sister/Sister Incest
  • Aunt/Nephew Incest
  • Blood-related Sister/Sister Incest
  • Cousin Incest
  • Protagonist's Aunt as a Heroine
Rating 6.5531 Users
Dorei Shigan Site ~Hitozuma Shouko no Kiroku~
Dorei Shigan Site ~Hitozuma Shouko no Kiroku~
32%
Tags
  • Sexual Slavery (Consensual)
  • Hero with Eye Covering Hairstyle
  • Pornography
  • Play Piercing
  • Sexual Slavery
Rating 6.3326 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 Older Sister as a Heroine
Rating 6.8452 Users
Beppin Mama ~Love Love Boshi Yuugi~
Beppin Mama ~Love Love Boshi Yuugi~
31%
Tags
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Heroine with Anal Hair
  • Straight Shotacon
  • Breast Smothering
Rating 6.3936 Users
Okaa-san wa Ore Sen
Okaa-san wa Ore Sen'you! ~Anata no Hajimete o... Okaa-san ga Moratte A-ge-ru~
31%
Tags
  • Incest
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • All Adult Heroines
  • Cosplay
Rating 6.3323 Users
Itoshi no Haha to Wakai Oba ~Boshi Katei ni Oba ga Korogarikonde Kita Kekka www~
Itoshi no Haha to Wakai Oba ~Boshi Katei ni Oba ga Korogarikonde Kita Kekka www~
30%
Tags
  • Aunt/Nephew Incest
  • Mother/Son Incest
  • Straight Shotacon
  • Shotacon
  • Blood-related Aunt/Nephew Incest
Rating 6.5352 Users
Inraku no Ketsuzoku ~Kindan no Jubaku~
Inraku no Ketsuzoku ~Kindan no Jubaku~
30%
Tags
  • Inbred Protagonist
  • Inbred Heroine
  • Harem Ending with Theme
  • Incest Romance
  • Inbreeding
Rating 6.6550 Users
Bloods ~Inraku no Ketsuzoku 2~
Bloods ~Inraku no Ketsuzoku 2~
30%
Tags
  • Blood-related Incest
  • Protagonist's Sister as a Heroine
  • Incest Romance
  • Incest
  • Brother/Sister Incest
Rating 6.7456 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
  • Protagonist's Non-blood-related Mother as a Heroine
  • Early Branching Plot
Rating 6.2125 Users
Kioku Soushitsu no Okaa-san
Kioku Soushitsu no Okaa-san
29%
Tags
  • Unbeknown Incest
  • Widow Heroine
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Mother/Son Romance
Rating 6.1730 Users

Kazoku Ai ~Okaa-san to Nee-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 (54 total)

NameScoreImportanceWeight
Oyakodon3.001.945.81
Protagonist's Older Sister as a Heroine3.001.825.45
Consensual Phone Sex2.002.645.28
No Virgin Heroines2.002.484.97
Protagonist's Full Sister as a Heroine3.001.514.52
Dildos2.501.714.27
Lots of Choices2.671.544.12
Feet Licking2.002.054.10
Discreet Phone Sex2.002.014.03
Netori2.501.583.95
Family2.001.973.94
Boobs on Glass2.001.963.93
Shota Protagonist2.001.833.65
Straight Shotacon2.001.803.60
Shotacon2.001.783.56
Voyeurism2.001.773.54
Oneesan-type Heroine2.001.763.51
Colored Texts2.001.723.45
Twin Boobjob2.001.673.34
Seventh Posture2.001.623.25
Naked Heroine with Apron2.001.623.25
Piledriver2.001.593.18
Early Sexual Content2.501.233.07
Date Display2.001.533.05
Sexual Blindfold2.001.513.01
Heroine with Sexual Experience2.001.442.88
Married Heroine2.001.402.79
Boobjob2.501.092.72
Anal Toys2.001.342.67
Big Breast Sizes Heroine2.501.062.66
Reverse Cowgirl2.001.302.60
Masturbation2.001.262.52
Fingering2.001.262.52
Twin Blowjob2.001.262.52
Bathroom Sex2.001.202.41
High Sexual Content2.500.942.35
Adult Heroine2.001.122.23
Vibrators2.001.102.20
Anal Penetration2.001.072.15
Sitting Sex2.001.042.08
Standing Sex2.001.042.08
Harem Ending1.501.362.04
Bondage2.001.012.02
Missionary Position2.000.931.87
Student Heroine2.000.881.75
Blowjob2.000.881.75
High School Student Heroine2.000.871.74
Cowgirl2.000.811.62
Nukige2.500.621.56
Doggy Style2.000.761.52
Multiple Endings1.670.691.15
Male Protagonist3.000.330.99
Sexual Content2.000.450.90
ADV3.000.250.75

Traits (98 total)

NameCharactersImportanceWeight
Tribadism on Penis Engages in (Sexual)22.062.26
Consensual Phone Sex Engages in (Sexual)13.202.22
Erotic Massage Subject of13.062.12
Boobjob Subject of (Sexual)21.922.11
Infidelity Engages in21.902.09
Incest Engages in (Sexual)31.492.06
Sexual Blindfold Subject of (Sexual)21.822.00
Flower / Plant Items12.831.96
Twin Boobjob Engages in (Sexual)21.741.91
Breast Smothering Engages in (Sexual)12.751.91
Twin Boobjob Subject of (Sexual)12.741.90
Rope Bondage Engages in (Sexual)12.681.86
Sex in Front of an Audience Engages in (Sexual)21.671.84
Piledriver Engages in (Sexual)12.651.84
Feet Licking Engages in (Sexual)12.641.83
Reverse Cowgirl Subject of (Sexual)21.661.82
Sweater Clothes21.641.80
Sex in Public Places Engages in (Sexual)31.281.78
Braided Crown Hair12.561.78
Voyeurism Engages in (Sexual)12.531.76
Discreet Phone Sex Engages in (Sexual)12.511.74
Obedient Personality12.501.73
Multiple Penetration Subject of (Sexual)21.551.71
Bondage Engages in12.441.69
Sex in Water Engages in (Sexual)21.531.68
Twin Blowjob Subject of (Sexual)12.401.67
Group Sex Engages in (Sexual)31.191.65
Bondage Sex Subject of (Sexual)21.491.64
Netori (steals the SO) Engages in12.341.62
Reverse Cowgirl Engages in (Sexual)12.341.62
Vibrator Subject of (Sexual)21.431.57
Manipulative Personality12.271.57
Bondage Sex Engages in (Sexual)12.261.57
Masochism Engages in12.251.56
Nipple Sucking Subject of (Sexual)21.421.56
Twin Blowjob Engages in (Sexual)21.421.56
Handcuffed Sex Subject of (Sexual)12.171.50
Mobile Phone Items12.121.47
Butterfly Engages in (Sexual)12.121.47
Boobs on Glass Subject of (Sexual)12.091.45
Skirt Clothes21.281.41
Cross Necklace Clothes12.031.40
Masturbation Engages in (Sexual)21.281.40
Full Brother Role11.981.37
Piledriver Subject of (Sexual)11.971.37
Son Role11.971.36
Quickie Fix Engages in (Sexual)11.941.35
Younger Brother Role11.941.34
Standing Sex Engages in (Sexual)11.921.33
Pretending Personality11.871.30
Standing Sex Subject of (Sexual)21.171.28
Sitting Sex Engages in (Sexual)11.851.28
Naked Apron Clothes11.821.26
Butterfly Subject of (Sexual)21.151.26
Naive Personality11.801.25
Object Insertion Subject of (Sexual)11.791.24
Missionary Engages in (Sexual)11.781.24
Cowgirl Engages in (Sexual)11.781.23
Nipple Sucking Engages in (Sexual)11.771.23
Stubborn Personality11.761.22
Doggy Style Engages in (Sexual)11.731.20
Vaginal Fingering Subject of (Sexual)21.091.19
Vaginal Fingering Engages in (Sexual)11.681.17
Teal Eyes11.681.16
Rope Bondage Subject of (Sexual)11.681.16
Quickie Fix Subject of (Sexual)21.051.16
Girlfriend Role11.671.16
Shorts Clothes11.651.14
Boots Clothes11.631.13
Wife Role11.621.13
Blowjob Subject of (Sexual)11.601.11
Garnet Eyes11.581.10
Full Sister Role11.581.09
Older Sister Role11.561.08
Daughter Role11.551.08
Mother Role11.531.06
Apron Clothes11.521.06
Pissing Engages in (Sexual)11.441.00
Seventh Posture Subject of (Sexual)11.440.99
Doggy Style Subject of (Sexual)20.900.99
Bathroom Sex Engages in (Sexual)11.420.98
Adult Body11.400.97
Black Hair20.840.92
Bukkake Subject of (Sexual)11.330.92
Curtained Hair11.260.87
Parted to Side Hair11.110.77
Missionary Subject of (Sexual)11.110.77
Kind Personality11.080.75
Boobjob Engages in (Sexual)11.060.74
Sitting Sex Subject of (Sexual)11.030.71
Cowgirl Subject of (Sexual)10.940.65
Young-adult Body10.780.54
Blowjob Engages in (Sexual)10.750.52
High School Student Role10.750.52
Long Hair10.740.51
Brown Hair10.670.47
Pale Body20.390.42
Teen Body10.570.39