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Summary

Miyabe Saya is Kamagiri Kouta's childhood friend living nearby. She often helps out with housework at his house, which has become a father-child household since his mother passed away. One night, Saya stays over at Kouta's house. He wakes up around 2 AM to go to a bathroom and hears a faint voice coming from his father's room. He sneaks over and sees his father and Sayaka having sex, which makes him feel betrayed and angry, as he believed Saya liked him. Kouta's feelings of love for Sayaka turn into hatred.

Mama to no Ikisugi Ama Ama Seikatsu ~Ippai Kimochi Ii Koto Oshiete A-Ge-Ru~
Mama to no Ikisugi Ama Ama Seikatsu ~Ippai Kimochi Ii Koto Oshiete A-Ge-Ru~
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Inbreeding
  • Widow Heroine
  • Only Non-Virgin Heroines
Rating 6.2429 Users
Swapping Onsen Ryokou~ Otonari Fuufu ni Ikasare Makuru Ore to Tsuma~
Swapping Onsen Ryokou~ Otonari Fuufu ni Ikasare Makuru Ore to Tsuma~
NAN%
Tags
  • Swinging
  • Protagonist's Wife as a Heroine
  • Interracial Sex
  • Ryokan
  • Onsen
Rating 6.7422 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
Hani Tsuma Hs ~After Wedding~
Hani Tsuma Hs ~After Wedding~
NAN%
Tags
  • Deredere Heroine
  • Cousin Romance
  • Student-Teacher Romance
  • Class President Heroine
  • Impregnation
Rating 7.7034 Users
Chikan Ochi ~Shinri Counselor Meika no Shinryou Kiroku~
Chikan Ochi ~Shinri Counselor Meika no Shinryou Kiroku~
NAN%
Tags
  • Chikan
  • Scientist Heroine
  • Police Officer Heroine
  • Molestation on Public Transport
  • Handcuffed Sex
Rating 6.8025 Users
Migawari Inkou Seikatsu ~Shin
Migawari Inkou Seikatsu ~Shin'yuu o Mamoru Tame, Gedou Kyoushi no Iinari ni Naru Yuutousei "Ema"~
NAN%
Tags
  • Evil Route
  • Villainous Protagonist
  • Teacher Protagonist
  • Netorase
  • Forbidden Love
Rating 6.6227 Users
Kanrinin-san wa Miboujin
Kanrinin-san wa Miboujin
NAN%
Tags
  • Widow Heroine
  • Short Sexual Scenes
  • Oneesan-type Heroine
  • Twin Boobjob
  • Condoms
Rating 6.4426 Users
Binkan Athlete "So, Soko Dame! ...Oshio Fuichau!"
Binkan Athlete "So, Soko Dame! ...Oshio Fuichau!"
NAN%
Tags
  • Figure Skater Heroine
  • Sports
  • Athlete Heroine
  • Massage Therapist Protagonist
  • Fingering
Rating 6.9426 Users
Hatsujou Inbo ~Uzuku Jukutai wa, Sono Yokujou o Osaekirenai~
Hatsujou Inbo ~Uzuku Jukutai wa, Sono Yokujou o Osaekirenai~
NAN%
Tags
  • Daughter Support Character
  • Quickie
  • Clothed Female Naked Male
  • Protagonist's Non-blood-related Mother as a Heroine
  • Clothed Male Naked Female
Rating 5.6928 Users
Itazura ~Boku Dake no Zettai Ryouiki~
Itazura ~Boku Dake no Zettai Ryouiki~
NAN%
Tags
  • Chikan Heroine
  • Hotel
  • Trains
  • Voiced Thoughts
  • Pregnancy Good Ending
Rating 6.1820 Users
Binyuu Inmai Haruka "Watashi ni Iyarashii Cosplay Saseru nante... Kono Hentai!"
Binyuu Inmai Haruka "Watashi ni Iyarashii Cosplay Saseru nante... Kono Hentai!"
NAN%
Tags
  • Discipline Committee Leader Protagonist
  • Twin Bellyjob
  • Protagonist's Blood-related Sister as a Heroine
  • Heroine with Spats
  • Bunnygirl Cosplay
Rating 7.0924 Users
Ai Suru Tsuma, Nagisa no Uwaki Kokuhaku Okuyukashii Tsuma no Karada ga, Aitsu no Geki Piston de Torokete Ita Shinjitsu
Ai Suru Tsuma, Nagisa no Uwaki Kokuhaku Okuyukashii Tsuma no Karada ga, Aitsu no Geki Piston de Torokete Ita Shinjitsu
NAN%
Tags
  • Glasses Option
  • Unavoidable Netorare
  • Netorare Type A
  • Married Heroine
  • Kissing Scene
Rating 6.7726 Users
Momojiri Instructor Netori Lesson ~Kyouei Mizugi de Ero Zanmai~
Momojiri Instructor Netori Lesson ~Kyouei Mizugi de Ero Zanmai~
NAN%
Tags
  • Chubby Protagonist
  • Coach Heroine
  • Heroine in Relationship with Other(s)
  • Swimming Club
  • Heroine with Tan Lines
Rating 6.5020 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
  • Shapeshifting
  • Defloration During Common Route
Rating 6.6022 Users
Mama no Imouto no Doutei Kyouiku ~Hikikomotta Boku wa Gaishutsu Sezu ni Nakadashi Suru~
Mama no Imouto no Doutei Kyouiku ~Hikikomotta Boku wa Gaishutsu Sezu ni Nakadashi Suru~
NAN%
Tags
  • Protagonist's Aunt as a Heroine
  • Hikikomori Protagonist
  • Blood-related Aunt/Nephew Incest
  • Only Older Heroines
  • Only Blood-related Heroines
Rating 5.8120 Users
Papa Daisuki! to Itte Kure... ~Hankouki no Musume o Saimin Appli de Kyouai Shitsuke~
Papa Daisuki! to Itte Kure... ~Hankouki no Musume o Saimin Appli de Kyouai Shitsuke~
NAN%
Tags
  • Blood-related Father/Daughter Incest
  • Mind Control
  • Protagonist's Blood-related Daughter as a Heroine
  • Protagonist with Children
  • Only Blood-related Heroines
Rating 5.7924 Users
Hitozuma ni Natta Onee-san ~Manatsu no Omoide~
Hitozuma ni Natta Onee-san ~Manatsu no Omoide~
NAN%
Tags
  • Heroine with Jeans
  • Food Play
  • Ejaculation Forewarner
  • Heroine with Inverted Nipples
  • Mirror Sex
Rating 6.6728 Users
Sukebe na Shojo no Tsukurikata
Sukebe na Shojo no Tsukurikata
NAN%
Tags
  • Consensual Phone Sex
  • Onsen
  • Female Protagonist for a Short Time
  • Only Younger Heroines
  • Condoms
Rating 6.9720 Users
Ikenai Kozukuri 3 ~Musuko no Koibito ga Miryokuteki de Komattemasu~
Ikenai Kozukuri 3 ~Musuko no Koibito ga Miryokuteki de Komattemasu~
NAN%
Tags
  • Heroine in Relationship with Other(s)
  • Unavoidable Heroine Rape
  • Widow(er) Protagonist
  • Netori
  • Protagonist with Children
Rating 6.5560 Users
Ojou-sama wa Katai no ga Osuki! ~Shinsei Naru Joshi Ryou Nikki~
Ojou-sama wa Katai no ga Osuki! ~Shinsei Naru Joshi Ryou Nikki~
NAN%
Tags
  • Cook Protagonist
  • Gymnastic Heroine
  • Impregnation Choice
  • Hotblooded Protagonist
  • Artist Heroine
Rating 6.9939 Users
Mariko-sanchi no Seijijou ~Oba-san wa Boku no Mono~
Mariko-sanchi no Seijijou ~Oba-san wa Boku no Mono~
NAN%
Tags
  • Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Divorcee Heroine
  • Protagonist's Cousin as a Heroine
  • Childishly Violent Heroine
Rating 6.8226 Users
Hirusagari no Danchizuma 2 ~Otto ni wa Ienai Himitsu no Houmon Hanbai~
Hirusagari no Danchizuma 2 ~Otto ni wa Ienai Himitsu no Houmon Hanbai~
NAN%
Tags
  • Netori
  • Heroine with Leotard
  • Discreet Phone Sex
  • Penile Masturbation
  • Highly Animated Sprites
Rating 6.6127 Users
Kyonyuu Hitozuma Saimin Tsuugaku ~Watashi wa Hitozuma Dakara, Gakuen de H Suru no wa Atarimae~
Kyonyuu Hitozuma Saimin Tsuugaku ~Watashi wa Hitozuma Dakara, Gakuen de H Suru no wa Atarimae~
NAN%
Tags
  • Heroine with Sport Bloomers
  • Boobs on Glass
  • Suspension Bondage
  • Erotic Mind Control
  • Sex on Toilet
Rating 5.8126 Users
Kangoku ~Kairaku Kousei Project~
Kangoku ~Kairaku Kousei Project~
NAN%
Tags
  • Prison
  • Masturbation Involving Food
  • Hero(ine) Selection
  • Huge Insertion
  • Sexual Corruption
Rating 6.9149 Users
Papa to Namaiki Musume no Saimin Soukan ~Tsuma ni wa Himitsu no Shitsukekata~
Papa to Namaiki Musume no Saimin Soukan ~Tsuma ni wa Himitsu no Shitsukekata~
45%
Tags
  • Protagonist's Blood-related Daughter as a Heroine
  • Blood-related Father/Daughter Incest
  • Erotic Mind Control
  • Protagonist with Children
  • Only Blood-related Heroines
Rating 6.0222 Users
Yokkyuu Fuman na Boku no Mama no Sex Lesson ~Papa ni wa Ienai Katei-nai Jouji~
Yokkyuu Fuman na Boku no Mama no Sex Lesson ~Papa ni wa Ienai Katei-nai Jouji~
44%
Tags
  • Quickie
  • Only Older Heroines
  • Only Blood-related Heroines
  • Blood-related Mother/Son Incest
  • Only Non-Virgin Heroines
Rating 6.2932 Users
Sukechatte!! ~Kyuushi ni Isshou o Ete Noumitsu Second Life~
Sukechatte!! ~Kyuushi ni Isshou o Ete Noumitsu Second Life~
41%
Tags
  • Protagonist with Superpowered Side
  • Invisibility
  • High Amount of Special Effects
  • Shapeshifting
  • Defloration During Common Route
Rating 6.6022 Users
Momojiri Instructor Netori Lesson ~Kyouei Mizugi de Ero Zanmai~
Momojiri Instructor Netori Lesson ~Kyouei Mizugi de Ero Zanmai~
39%
Tags
  • Chubby Protagonist
  • Coach Heroine
  • Heroine in Relationship with Other(s)
  • Swimming Club
  • Heroine with Tan Lines
Rating 6.5020 Users
Ai Suru Tsuma, Nagisa no Uwaki Kokuhaku Okuyukashii Tsuma no Karada ga, Aitsu no Geki Piston de Torokete Ita Shinjitsu
Ai Suru Tsuma, Nagisa no Uwaki Kokuhaku Okuyukashii Tsuma no Karada ga, Aitsu no Geki Piston de Torokete Ita Shinjitsu
35%
Tags
  • Glasses Option
  • Unavoidable Netorare
  • Netorare Type A
  • Married Heroine
  • Kissing Scene
Rating 6.7726 Users
Itazura ~Boku Dake no Zettai Ryouiki~
Itazura ~Boku Dake no Zettai Ryouiki~
34%
Tags
  • Chikan Heroine
  • Hotel
  • Trains
  • Voiced Thoughts
  • Pregnancy Good Ending
Rating 6.1820 Users
Binyuu Inmai Haruka "Watashi ni Iyarashii Cosplay Saseru nante... Kono Hentai!"
Binyuu Inmai Haruka "Watashi ni Iyarashii Cosplay Saseru nante... Kono Hentai!"
33%
Tags
  • Discipline Committee Leader Protagonist
  • Twin Bellyjob
  • Protagonist's Blood-related Sister as a Heroine
  • Heroine with Spats
  • Bunnygirl Cosplay
Rating 7.0924 Users
Binkan Athlete "So, Soko Dame! ...Oshio Fuichau!"
Binkan Athlete "So, Soko Dame! ...Oshio Fuichau!"
33%
Tags
  • Figure Skater Heroine
  • Sports
  • Athlete Heroine
  • Massage Therapist Protagonist
  • Fingering
Rating 6.9426 Users
Hatsujou Inbo ~Uzuku Jukutai wa, Sono Yokujou o Osaekirenai~
Hatsujou Inbo ~Uzuku Jukutai wa, Sono Yokujou o Osaekirenai~
32%
Tags
  • Daughter Support Character
  • Quickie
  • Clothed Female Naked Male
  • Protagonist's Non-blood-related Mother as a Heroine
  • Clothed Male Naked Female
Rating 5.6928 Users
Papa Daisuki! to Itte Kure... ~Hankouki no Musume o Saimin Appli de Kyouai Shitsuke~
Papa Daisuki! to Itte Kure... ~Hankouki no Musume o Saimin Appli de Kyouai Shitsuke~
32%
Tags
  • Blood-related Father/Daughter Incest
  • Mind Control
  • Protagonist's Blood-related Daughter as a Heroine
  • Protagonist with Children
  • Only Blood-related Heroines
Rating 5.7924 Users
Sukebe na Shojo no Tsukurikata
Sukebe na Shojo no Tsukurikata
30%
Tags
  • Consensual Phone Sex
  • Onsen
  • Female Protagonist for a Short Time
  • Only Younger Heroines
  • Condoms
Rating 6.9720 Users
Ojou-sama wa Katai no ga Osuki! ~Shinsei Naru Joshi Ryou Nikki~
Ojou-sama wa Katai no ga Osuki! ~Shinsei Naru Joshi Ryou Nikki~
30%
Tags
  • Cook Protagonist
  • Gymnastic Heroine
  • Impregnation Choice
  • Hotblooded Protagonist
  • Artist Heroine
Rating 6.9939 Users
Hirusagari no Danchizuma 2 ~Otto ni wa Ienai Himitsu no Houmon Hanbai~
Hirusagari no Danchizuma 2 ~Otto ni wa Ienai Himitsu no Houmon Hanbai~
29%
Tags
  • Netori
  • Heroine with Leotard
  • Discreet Phone Sex
  • Penile Masturbation
  • Highly Animated Sprites
Rating 6.6127 Users
Kangoku ~Kairaku Kousei Project~
Kangoku ~Kairaku Kousei Project~
29%
Tags
  • Prison
  • Masturbation Involving Food
  • Hero(ine) Selection
  • Huge Insertion
  • Sexual Corruption
Rating 6.9149 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!"
28%
Tags
  • Swimming Club
  • Protagonist's Sister-in-Law as a Heroine
  • Heroine with Swimsuits
  • Rapist Protagonist
  • Revenge
Rating 6.9828 Users
Niku Mesu R30 ~Nikuyoku ni Ochita Mesu-tachi~
Niku Mesu R30 ~Nikuyoku ni Ochita Mesu-tachi~
28%
Tags
  • Footjob on Multiple Penises
  • Protagonist's Non-blood-related Mother as a Heroine
  • Rimming Handjob
  • Twin Footjob
  • Bunnygirl Cosplay
Rating 7.1542 Users
Joushi no Tsuma wa, Motokano Deshita ~Iyagari nagara mo, Makura Eigyou ni Oborete Iku After 5~
Joushi no Tsuma wa, Motokano Deshita ~Iyagari nagara mo, Makura Eigyou ni Oborete Iku After 5~
28%
Tags
  • Casting Couch
  • Protagonist's Ex as a Heroine
  • Sex in an Office
  • Office
  • Office Lady Heroine
Rating 5.58189 Users
Nakayoshi Kazoku Nara Kiss mo Nakadashi mo Touzen Da yo ne!
Nakayoshi Kazoku Nara Kiss mo Nakadashi mo Touzen Da yo ne!
27%
Tags
  • Protagonist's Twin as a Heroine
  • Twincest
  • Protagonist's Sister as a Heroine
  • Siscon Protagonist
  • Kinetic Novel
Rating 6.6622 Users
Zetsurin Yandere Haha ~Musuko no Kyokonburi ni Teisou ga Yoromeku~
Zetsurin Yandere Haha ~Musuko no Kyokonburi ni Teisou ga Yoromeku~
27%
Tags
  • Protagonist's Son as a Hero
  • Mother/Son Romance
  • Forbidden Love
  • Protagonist as the Only Female
  • Blood-related Mother/Son Incest
Rating 6.2626 Users
Netori Gakuen ~Kareshi Mochi Demo Okamainashi! Yaritai Houdai ADV~
Netori Gakuen ~Kareshi Mochi Demo Okamainashi! Yaritai Houdai ADV~
27%
Tags
  • Heroine in Relationship with Other(s)
  • Protagonist with Phimosis
  • Arrogant Heroine
  • Student Council Member Heroine
  • Netori
Rating 6.3646 Users
Anal * Teacher ~Kando Ryoukou!? Gyaku Lesson~
Anal * Teacher ~Kando Ryoukou!? Gyaku Lesson~
27%
Tags
  • Avoidable Rape
  • Student Hero
  • Student-Teacher Romance
  • Teacher Protagonist
  • Protagonist with Voice Acting
Rating 5.9527 Users
Nangoku Prison ~Hyouryuu Shita Mujintou ga Kozukuri Shinai to Derarenai Shima Datta Ken~
Nangoku Prison ~Hyouryuu Shita Mujintou ga Kozukuri Shinai to Derarenai Shima Datta Ken~
26%
Tags
  • Stranded
  • Quadruple+ Blowjob
  • Has Window Transparency Setting
  • Twin Buttjob
  • Island
Rating 7.1124 Users
Okaa-san to Koubi ~Tojikomerarete Futarikkiri Sekai ni Nattara Hoka ni Nani Suru?~
Okaa-san to Koubi ~Tojikomerarete Futarikkiri Sekai ni Nattara Hoka ni Nani Suru?~
26%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Only Older Heroines
  • Only Blood-related Heroines
  • Incest
Rating 6.2220 Users
Jimikko Muchimuchi Iinchou to Dosukebe Choukyou Seikatsu
Jimikko Muchimuchi Iinchou to Dosukebe Choukyou Seikatsu
26%
Tags
  • Masochist Heroine
  • Sexual Slavery (Choukyou Variation)
  • Sex in a School Infirmary
  • Sex Involving Food
  • Sadist Protagonist
Rating 6.9023 Users

Osananajimi ga Chichioya to Dekiteita Ken ni Tsuite ~Oyaji kara no Shuuchi Netori Choukyou~ 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 (45 total)

NameScoreImportanceWeight
Heroine in Relationship with Other(s)2.502.195.48
Blackmail2.671.754.68
Netori2.751.584.35
Impregnation3.001.374.11
Remote-controlled Vibrator2.002.044.08
Only One Bad Ending2.001.953.91
Only One Good Ending2.001.903.79
Father Support Character2.001.873.74
Nympho Heroine2.001.833.66
Only Non-Virgin Heroines2.001.823.64
Protagonist's Childhood Friend as a Heroine3.001.133.39
Hidden Vibrator2.001.673.34
Sexual Slavery2.001.613.22
Discreet Sex2.001.603.20
Piledriver2.001.573.15
Ejaculation Choice2.001.533.05
Heroine Having Sex with Others2.001.523.05
Fingering2.001.492.98
Sex in Front of an Audience2.001.482.96
Background Moans2.001.432.85
Sex in Water2.001.402.79
Only a Single Heroine2.671.042.77
Few Choices2.001.342.68
Modern Day Japan2.001.312.63
Impregnation by Others1.002.592.59
Anal Penetration2.001.282.57
Sounds of Copulation2.001.272.55
High School Student Protagonist2.001.212.42
Student Heroine2.500.972.42
Bathroom Sex2.001.182.37
Vibrators2.001.142.28
Quickie Fix Position2.001.112.21
Blowjob2.001.082.17
Sitting Sex2.001.052.10
Missionary Position2.000.931.86
High School Student Heroine2.000.841.68
Cowgirl2.000.831.65
Nukige2.500.641.61
Doggy Style2.000.791.58
Naked Sprites1.501.051.57
Multiple Endings2.000.661.32
Heroine with Sexual Experience0.671.220.82
Male Protagonist2.500.300.75
ADV2.500.140.36
2.000.000.00

Traits (62 total)

NameCharactersImportanceWeight
Secret Boyfriend Role13.002.08
Discreet Sex Engages in (Sexual)21.872.05
Pretending Personality21.822.00
Secret Girlfriend Role12.771.92
Sex with Others Only Engages in (Sexual)12.701.87
Widower Role12.541.76
Clinical Depression Subject of12.491.73
Bad Student Role12.491.73
Sex in Water Engages in (Sexual)21.561.71
Blowjob Subject of (Sexual)21.531.68
Infidelity Subject of12.341.62
Netori (their SO is stolen) Subject of12.271.57
Blackmail Engages in12.231.54
Bathroom Sex Engages in (Sexual)21.401.53
Netori (steals the SO) Engages in12.181.51
Netorare (they are the stolen SO) Subject of12.151.49
Tominagi Engages in (Sexual)12.141.48
Blackmail Subject of12.121.47
Revenge Engages in12.101.46
Honor Student Role12.081.44
Anal Fingering Engages in (Sexual)12.071.43
Sex with Others Engages in (Sexual)12.001.38
Childhood Friend Role21.251.37
Classmate Role21.231.35
Quickie Fix Engages in (Sexual)11.901.31
Jealous Personality11.891.31
Sitting Sex Engages in (Sexual)11.841.27
Pink Rotor Subject of (Sexual)11.831.27
Son Role11.831.27
Infidelity Engages in11.831.27
Anal Sex Engages in (Sexual)11.771.23
Deredere Personality11.751.22
Missionary Engages in (Sexual)11.751.21
Cowgirl Engages in (Sexual)11.721.20
Anal Fingering Subject of (Sexual)11.711.19
Doggy Style Engages in (Sexual)11.701.18
Father Role11.681.16
Garnet Eyes11.651.14
Vaginal Fingering Engages in (Sexual)11.631.13
Apron Clothes11.571.09
Cunnilingus Engages in (Sexual)11.561.08
Not a Virgin Role11.461.01
Cooking Engages in11.410.98
Tominagi Subject of (Sexual)11.360.94
Ahegao Engages in (Sexual)11.330.92
High School Student Role20.840.92
Anal Sex Subject of (Sexual)11.190.82
Cunnilingus Subject of (Sexual)11.170.81
Missionary Subject of (Sexual)11.110.77
Vaginal Fingering Subject of (Sexual)11.080.75
Brown Hair20.680.75
Quickie Fix Subject of (Sexual)11.080.75
Sitting Sex Subject of (Sexual)11.050.73
Kind Personality11.040.72
Green Eyes11.010.70
Short Hair20.610.67
Cowgirl Subject of (Sexual)10.950.66
Doggy Style Subject of (Sexual)10.920.64
Virgin Sex Engages in (Sexual)10.840.58
Black Hair10.810.56
Blowjob Engages in (Sexual)10.760.53
Long Hair10.750.52