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Summary

Kazuya's elder sister Kanoko announces her engagement to be married but Kazuya has had a crush on her since he was young and refuses to let her go. He wants to become her lover and be her only man but she refuses because that would be incestuous. She encourages him to build a relationship with his cousin Hikari instead but he won't give up his feelings for his sister. Meanwhile Hikari's father and Kazuya's uncle is dying and both Hikari and Kazuya's aunt Chigusa cling to him in desperation for comfort.

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
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 7.3589 Users
Zutto! Josou de Haramasete
Zutto! Josou de Haramasete
NAN%
Tags
  • Cousin Incest
  • Protagonist's Cousin as a Heroine
  • Mother Support Character
  • Trap Protagonist
  • Sex Change
Rating 6.2521 Users
Shimaizuma Marriage Disk - Shimaizuma Bubuzuke
Shimaizuma Marriage Disk - Shimaizuma Bubuzuke
NAN%
Tags
  • Asian-style Manor
  • Heroine With Kansai Accent
  • Childishly Violent Heroine
  • Married Heroine
  • Central Heroine
Rating 7.4421 Users
Toraba!
Toraba!
NAN%
Tags
  • Romancing a Family
  • Swimming Club
  • Class President Heroine
  • Foolish Friend
  • Oyakodon Ending
Rating 6.8524 Users
Gakushoku no Oba-san ~Kaa-san no Shiru no Aji~
Gakushoku no Oba-san ~Kaa-san no Shiru no Aji~
NAN%
Tags
  • Unbeknown Incest
  • Yamato Nadeshiko Heroine
  • Heroine with Children
  • Cook Heroine
  • Mother/Son Romance
Rating 7.3257 Users
Nuppunupu Oyako Mix!! ~Double Oyako to Lovelove Pension Seikatsu~
Nuppunupu Oyako Mix!! ~Double Oyako to Lovelove Pension Seikatsu~
NAN%
Tags
  • Single Hole Multiple Objects Insertion (obsolete)
  • Sex Involving Food
  • Vaginal + Anal Object Insertion
  • Otaku Protagonist
  • Heroine with Tan Lines
Rating 7.2037 Users
Himegoto-Ai ~Hameru Oyako no Kimochi Yosa~
Himegoto-Ai ~Hameru Oyako no Kimochi Yosa~
NAN%
Tags
  • Mother/Son Romance
  • Protagonist's Older Sister as a Heroine
  • Brother/Sister Romance
  • Palace
  • Royal Protagonist
Rating 6.3736 Users
Bloods ~Inraku no Ketsuzoku 2~
Bloods ~Inraku no Ketsuzoku 2~
NAN%
Tags
  • Heroine with Grandchildren
  • Incest Romance
  • Blood-related Incest
  • Family
  • Protagonist's Twin as a Heroine
Rating 7.1287 Users
Kazoku Ai ~Okaa-san to Nee-san wa Boku no Mono~
Kazoku Ai ~Okaa-san to Nee-san wa Boku no Mono~
NAN%
Tags
  • Oyakodon Ending
  • Consensual Phone Sex
  • Dildos
  • Shotacon
  • Discreet Phone Sex
Rating 6.6238 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
Mama no Sakuranbo Gari♪
Mama no Sakuranbo Gari♪
NAN%
Tags
  • Shotacon Heroine
  • Nympho Protagonist
  • Infidelity
  • Heroine with Garter Belt
  • Incest
Rating 5.8231 Users
Shoubo Seika ~Haitoku no Majiwari~
Shoubo Seika ~Haitoku no Majiwari~
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Prostitute Heroine
  • Actress Heroine
  • Businesswoman Heroine
Rating 7.0545 Users
Inraku no Ketsuzoku ~Kindan no Jubaku~
Inraku no Ketsuzoku ~Kindan no Jubaku~
NAN%
Tags
  • Inbred Protagonist
  • Inbred Heroine
  • Only Protagonist's Relatives as Heroine(s)
  • Harem Ending with Theme
  • Heroine with Grandchildren
Rating 6.9675 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~
NAN%
Tags
  • Based on a Light Novel
  • Vampire Hunter Heroine
  • Unavoidable Rape
  • Vampire
  • Non-human Protagonist
Rating 5.9023 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
  • Mother/Son Romance
  • Blood-related Mother/Son Incest
  • Netori
Rating 6.8960 Users
Stopping!! 11 the Calamity of Time Stop
Stopping!! 11 the Calamity of Time Stop
NAN%
Tags
  • Time Stop
  • Flat Tints Only
  • Sexual Content
  • ADV
Rating 6.3224 Users
Hitozuma Cosplay Kissa 2
Hitozuma Cosplay Kissa 2
NAN%
Tags
  • Cosplay
  • Cafe
  • Twin Footjob
  • Oyakodon Ending
  • Heroine with Children
Rating 7.4739 Users
Motto! Himitsu Taiken
Motto! Himitsu Taiken
NAN%
Tags
  • Shotacon
  • Shota Protagonist
  • Blood-related Cousin Incest
  • Lolicon
  • Design Story
Rating 6.5531 Users
Manbiki Musume Momoiro Seisai - Manbiki Shita Imouto ni Kichiku Oshioki!!
Manbiki Musume Momoiro Seisai - Manbiki Shita Imouto ni Kichiku Oshioki!!
NAN%
Tags
  • Only Protagonist's Relatives as Heroine(s)
  • Protagonist's Full Sister as a Heroine
  • Oyakodon
  • Siscon Protagonist
  • Blood-related Brother/Sister Incest
Rating 6.7427 Users
Boku no Himitsu Taiken
Boku no Himitsu Taiken
NAN%
Tags
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Shotacon
  • Meaningless Choices
  • Blood-related Aunt/Nephew Incest
Rating 6.6132 Users
Shimaizuma ~Shimaizuma 3~
Shimaizuma ~Shimaizuma 3~
NAN%
Tags
  • Asian-style Manor
  • Heroine With Kansai Accent
  • Childishly Violent Heroine
  • Unrequited Love
  • Brief Branches Only
Rating 7.3139 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 7.4928 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 6.8922 Users
Gadget
Gadget
39%
Tags
  • Student Club
  • Family
  • Foreigner Heroine
  • Passage of Time
  • Mother Support Character
Rating 7.6520 Users
Oyako Neburi ~Sasou Hitozuma Dakaretai Oyako~
Oyako Neburi ~Sasou Hitozuma Dakaretai Oyako~
35%
Tags
  • Incest Romance
  • Daydreams
  • Oyakodon Ending
  • Widow Heroine
  • Middle School Student Heroine
Rating 6.8457 Users
Inraku no Ketsuzoku ~Kindan no Jubaku~
Inraku no Ketsuzoku ~Kindan no Jubaku~
33%
Tags
  • Inbred Protagonist
  • Inbred Heroine
  • Only Protagonist's Relatives as Heroine(s)
  • Harem Ending with Theme
  • Heroine with Grandchildren
Rating 6.9675 Users
Shoubo Seika ~Haitoku no Majiwari~
Shoubo Seika ~Haitoku no Majiwari~
32%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Prostitute Heroine
  • Actress Heroine
  • Businesswoman Heroine
Rating 7.0545 Users
Mama no Sakuranbo Gari♪
Mama no Sakuranbo Gari♪
32%
Tags
  • Shotacon Heroine
  • Nympho Protagonist
  • Infidelity
  • Heroine with Garter Belt
  • Incest
Rating 5.8231 Users
Kazoku Ai ~Okaa-san to Nee-san wa Boku no Mono~
Kazoku Ai ~Okaa-san to Nee-san wa Boku no Mono~
30%
Tags
  • Oyakodon Ending
  • Consensual Phone Sex
  • Dildos
  • Shotacon
  • Discreet Phone Sex
Rating 6.6238 Users
Kioku Soushitsu no Okaa-san
Kioku Soushitsu no Okaa-san
28%
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
Himegoto-Ai ~Hameru Oyako no Kimochi Yosa~
Himegoto-Ai ~Hameru Oyako no Kimochi Yosa~
28%
Tags
  • Mother/Son Romance
  • Protagonist's Older Sister as a Heroine
  • Brother/Sister Romance
  • Palace
  • Royal Protagonist
Rating 6.3736 Users
Bloods ~Inraku no Ketsuzoku 2~
Bloods ~Inraku no Ketsuzoku 2~
28%
Tags
  • Heroine with Grandchildren
  • Incest Romance
  • Blood-related Incest
  • Family
  • Protagonist's Twin as a Heroine
Rating 7.1287 Users
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
27%
Tags
  • Widow Heroine
  • Protagonist's Blood-related Mother as a Heroine
  • Mother/Son Romance
  • Blood-related Mother/Son Incest
  • Netori
Rating 6.8960 Users
Hitozuma Cosplay Kissa 2
Hitozuma Cosplay Kissa 2
27%
Tags
  • Cosplay
  • Cafe
  • Twin Footjob
  • Oyakodon Ending
  • Heroine with Children
Rating 7.4739 Users
Manbiki Musume Momoiro Seisai - Manbiki Shita Imouto ni Kichiku Oshioki!!
Manbiki Musume Momoiro Seisai - Manbiki Shita Imouto ni Kichiku Oshioki!!
26%
Tags
  • Only Protagonist's Relatives as Heroine(s)
  • Protagonist's Full Sister as a Heroine
  • Oyakodon
  • Siscon Protagonist
  • Blood-related Brother/Sister Incest
Rating 6.7427 Users
Shimaizuma ~Shimaizuma 3~
Shimaizuma ~Shimaizuma 3~
26%
Tags
  • Asian-style Manor
  • Heroine With Kansai Accent
  • Childishly Violent Heroine
  • Unrequited Love
  • Brief Branches Only
Rating 7.3139 Users
Boku no "Natsuyasumi" Himitsu Taiken
Boku no "Natsuyasumi" Himitsu Taiken
26%
Tags
  • Landlady Heroine
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Blood-related Aunt/Nephew Incest
  • Heroine with Tan Lines
Rating 6.8922 Users
Ane ni mo Makezu ~Onee-chans wa Shigekiteki!~
Ane ni mo Makezu ~Onee-chans wa Shigekiteki!~
26%
Tags
  • Heroine with Bodystocking
  • Oyakodon
  • Heroine with Leotard
  • School Sports Club Member Heroine
  • Protagonist's Blood-related Sister as a Heroine
Rating 6.2631 Users
Shin NOZOKI-ma ~Gesshukuya Kanshi 24 Ji~
Shin NOZOKI-ma ~Gesshukuya Kanshi 24 Ji~
25%
Tags
  • Weak-willed Heroine
  • Uncle/Niece Incest
  • Voyeurism
  • Family
  • Lots of Choices
Rating 6.5823 Users
Kazoku o Shokusu to Iu koto
Kazoku o Shokusu to Iu koto
25%
Tags
  • Protagonist's Aunt as a Heroine
  • Blood-related Aunt/Nephew Incest
  • Incest
  • Cousin Incest
  • Inbreeding
Rating 5.9623 Users
Classmate no Okaa-san -Immoral Teacher-
Classmate no Okaa-san -Immoral Teacher-
25%
Tags
  • Masturbation with Object
  • Widow Heroine
  • Sexual Fantasizing
  • Heroine with Tights
  • Naked Heroine with Apron
Rating 6.8223 Users
Amai Seikatsu -Saikou no Gibo to Saikou no Gishimai-
Amai Seikatsu -Saikou no Gibo to Saikou no Gishimai-
25%
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
Otouto Shibori ~Ane-tachi no Sei Kyouiku~
Otouto Shibori ~Ane-tachi no Sei Kyouiku~
24%
Tags
  • Shotacon
  • Pegging
  • Footjob
  • Shota Protagonist
  • Oneesan-type Heroine
Rating 6.1321 Users
Bijukubo "Iyarashii Kaa-san de Gomenne..."
Bijukubo "Iyarashii Kaa-san de Gomenne..."
24%
Tags
  • Only Older Heroines
  • Blood-related Aunt/Nephew Incest
  • Incest Romance
  • Obacon
  • Pregnancy Good Ending
Rating 7.49119 Users
Shin Yarasete! Teacher
Shin Yarasete! Teacher
24%
Tags
  • Shimaidon
  • Oyakodon
  • Shota Protagonist
  • Non-twin Heroine Sisters
  • Principal Heroine
Rating 6.7337 Users
Iyashinbo ~Sekai de Ichiban Suki na Hito~
Iyashinbo ~Sekai de Ichiban Suki na Hito~
24%
Tags
  • Mother/Son Romance
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Protagonist's Blood-related Mother as a Heroine
  • Shota Protagonist
Rating 7.7489 Users
Yarasete! Teacher
Yarasete! Teacher
24%
Tags
  • Straight Shotacon
  • School Nurse Support Character
  • Shota Protagonist
  • Perverted Protagonist
  • School
Rating 6.3331 Users

Kazoku Koukan Ane-Haha-Imouto 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 (56 total)

NameScoreImportanceWeight
Completely Avoidable Rape3.002.357.06
Grandfather/Granddaughter Incest2.003.266.52
Incest Romance2.752.256.18
Heroine with Children3.001.915.74
Cousin Incest2.832.015.69
Blood-related Mother/Son Incest2.861.855.29
Blood-related Incest2.102.415.06
Inbreeding2.501.984.96
Mother Support Character2.751.784.89
Netori3.001.594.78
Enforced Playing Order2.671.724.60
Heroine with Flat Chest (Non-Loli)2.002.284.56
Bonus Side Stories2.751.634.48
Blood-related Brother/Sister Incest3.001.494.46
Protagonist's Blood-related Mother as a Heroine2.331.904.43
Dogs2.002.174.35
Protagonist's Cousin as a Heroine2.251.884.24
Dark Skinned Characters2.002.034.06
Game Over2.671.493.97
Protagonist's Blood-related Sister as a Heroine2.001.943.89
Soapy Massage2.001.843.68
Nympho Heroine2.001.833.67
Oneesan-type Heroine2.001.833.66
Heroine with Zettai Ryouiki2.501.403.49
Heroine with Small Breasts (Non-Loli)2.001.713.42
Oyakodon Ending1.671.993.32
Modern Day Japan2.501.323.31
Bad Ending(s)2.751.203.29
Brocon Heroine2.001.613.23
Adult Heroine2.801.143.18
Protagonist's Aunt as a Heroine1.402.233.13
Pregnancy2.001.523.05
Heroine Having Sex with Others2.001.523.05
Heroine with Sexual Experience2.501.223.04
Group Sex of Several Females1.501.992.99
Impregnation2.171.372.98
Married Heroine2.001.422.85
Netorare1.831.512.77
Under the Same Roof2.171.272.76
Boobjob2.001.322.64
Lesbian Sex1.671.151.92
Cunnilingus2.000.931.86
Multiple Endings2.670.671.79
Sexual Devices1.001.741.74
Heroine with Big Breasts2.000.851.71
High School Student Heroine2.000.851.70
Naked Heroine with Apron1.001.661.66
Defloration2.000.761.52
Protagonist with a Face2.330.641.50
Masturbation1.001.491.49
Bestiality0.671.831.22
Imouto-type Heroine0.671.741.17
Nukige1.750.651.14
Group Sex of One Male and Several Females1.000.920.92
Male Protagonist2.600.300.79
ADV2.000.150.29

Traits (139 total)

NameCharactersImportanceWeight
Sex with Others Engages in (Sexual)41.993.20
Group Sex of Several Females Engages in (Sexual)32.283.17
Watch Clothes32.012.79
Incest Engages in (Sexual)51.472.63
Tall (obsolete) Body31.872.59
Name Tag Clothes22.272.50
Hosome Eyes51.372.45
Braided Odango Hair13.252.25
Skirt Clothes41.332.15
Group Sex of One Male and Several Females Engages in (Sexual)51.172.11
Cousin Role21.872.06
Parted in Middle Hair41.252.02
Lab Coat Clothes21.801.97
Bun Hair21.771.95
Trousers Clothes41.191.92
Cheerleader Role12.761.91
Lesbian Sex Engages in (Sexual)31.381.91
Crew Cut Hair12.751.90
Sex in a Wedding Dress Engages in (Sexual)12.741.90
Group Sex of One Female and Several Males Engages in (Sexual)21.701.87
Adult Breast Sucking Subject of (Sexual)12.661.84
Father Role21.671.83
No Bangs Hair21.661.82
Curtained Hair31.301.80
Uncle Role12.601.80
Patterned Thigh-high Stockings Clothes12.581.79
Garter Belt Stockings Clothes21.621.78
Nephew Role12.561.78
Belt Clothes31.271.76
Terminal Illness Subject of12.541.76
Curly Hair12.491.72
Full Sister Role21.571.72
Bestiality Engages in (Sexual)12.451.70
Red Eyes31.201.66
Aunt Role12.371.65
Sailor School Uniform Clothes21.481.62
Nymphomania Subject of12.321.60
Mother Role21.461.60
Tank Top Clothes21.421.56
Famous Role12.241.56
Masturbation Engages in (Sexual)21.391.53
Netori (steals the SO) Engages in12.171.51
Armband Clothes12.151.49
Veil Clothes12.141.49
No Name Role12.121.47
Netorare (they are the stolen SO) Subject of12.121.47
Red Hair21.321.45
Flat Chest Body12.091.45
Medical Doctor Role12.091.45
Brother Complex Personality12.061.43
Butterfly Engages in (Sexual)12.021.40
Wedding Ring Clothes12.001.39
Neighbor Role12.001.38
Wedding Dress Clothes11.991.38
Young-adult Body50.761.37
Full Brother Role11.951.35
Standing Sex Engages in (Sexual)11.871.30
Twin Braids Hair11.861.29
Shirt Clothes21.161.27
Blazer Clothes11.831.27
Sitting Sex Engages in (Sexual)11.831.27
Son Role11.821.26
Big Breasts Body21.141.25
Eye Covering Hair11.801.25
Husband Role11.801.25
Infidelity Engages in11.801.24
Short Shorts Clothes11.771.23
Necktie Clothes21.111.22
Glasses Clothes21.081.19
Reserved Personality11.721.19
Naive Personality11.691.17
Dark Body11.681.17
Spoons Subject of (Sexual)11.671.16
Small Breasts Body11.671.15
Collar Clothes11.661.15
Ribbon Hair Accessory Clothes11.651.15
Thigh-high Stockings Clothes21.041.14
Double Penetration (Group Sex) Subject of (Sexual)11.651.14
Muscular Body11.641.14
Relaxed Personality11.641.13
Slim Body60.581.12
Pink Eyes11.621.12
Apron Clothes11.591.10
Kimono Clothes11.561.08
Bracelet Clothes11.561.08
Older Sister Role11.561.08
Sidehair Hair20.981.07
Makeup Body11.541.07
Wife Role11.541.06
Blowjob Subject of (Sexual)11.521.06
Medium Breasts Body11.521.05
Maid's Dress Clothes11.511.05
Orange Hair11.511.05
Necklace Clothes11.501.04
Green Hair11.481.02
Blouse Clothes11.471.02
Seventh Posture Subject of (Sexual)11.461.01
Daughter Role11.461.01
Shoulder-length Hair20.921.01
Teen Body40.621.00
Brown Eyes20.900.99
Pantyhose Clothes11.420.99
Black Eyes11.420.99
Earrings Clothes11.420.99
Jacket Clothes11.420.98
Hair Tie Clothes11.410.97
Tsurime Eyes11.380.96
Brown Hair30.680.95
Wavy Hair11.360.94
Tominagi Subject of (Sexual)11.360.94
Adult Body11.350.93
T-shirt Clothes11.310.91
Black Hair20.810.88
Blue Eyes20.800.88
Ribbon Tie Clothes11.250.87
Pale Body90.370.85
Classmate Role11.230.85
Short Hair30.610.84
Blowjob Engages in (Sexual)20.760.84
Friend Role11.200.83
Ribbon Hair Tie Clothes11.190.83
Standing Sex Subject of (Sexual)11.180.82
Cunnilingus Subject of (Sexual)11.160.81
Twin Tails Hair11.130.78
Ponytail Hair11.100.76
Vaginal Fingering Subject of (Sexual)11.080.75
Boobjob Engages in (Sexual)11.070.74
Miniskirt Clothes11.060.74
Sitting Sex Subject of (Sexual)11.060.74
Parted to Side Hair11.050.73
Violet Eyes11.040.72
Straight Hair10.950.66
Doggy Style Subject of (Sexual)10.930.64
Blond Hair10.890.62
High School Student Role10.850.59
Virgin Sex Engages in (Sexual)10.850.59
Waist Length+ Hair10.810.56
Long Hair10.750.52
School Uniform Clothes10.750.52