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Summary

Shuji has an older sister, Mifuyu, and a younger sister, Haruru. One day, Mifuyu and Haruru visit his apartment and stay there for a while. It's been a while since they started living separately.... Shuji, Haruru and Mifuyu.... Their feelings gradually change as summer comes close to the end.... [From ErogeShop]

Classmate no Okaa-san -Immoral Teacher-
Classmate no Okaa-san -Immoral Teacher-
NAN%
Tags
  • Masturbation with Object
  • Widow Heroine
  • Sexual Fantasizing
  • Heroine with Tights
  • Naked Heroine with Apron
Rating 6.8223 Users
My * Sister
My * Sister
NAN%
Tags
  • Defloration During Common Route
  • Brother/Sister Incest
  • Unlockable Harem Ending
  • Imouto-type Heroine
  • Threesome Ending
Rating 6.6517 Users
Splash!
Splash!
NAN%
Tags
  • Swimming Club
  • Heroine with Swimsuits
  • Heroine with Intake Hairstyle
  • Teacher Protagonist
  • Bonus Side Stories
Rating 6.2421 Users
Mama Goto
Mama Goto
NAN%
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 6.6930 Users
Ikenai Kozukuri 4 ~Namaiki na Aneki ga Jitsu wa Ore no Semen ga Daisuki Datta!?~
Ikenai Kozukuri 4 ~Namaiki na Aneki ga Jitsu wa Ore no Semen ga Daisuki Datta!?~
NAN%
Tags
  • Rounin Protagonist
  • Brother/Sister Romance
  • Blood-related Brother/Sister Incest
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 6.8149 Users
Aa, Subarashiki Haramasekai
Aa, Subarashiki Haramasekai
NAN%
Tags
  • Birthrate Decline
  • Spontaneous Sex Scenes
  • Future Japan
  • Police Officer Heroine
  • Unlockable Harem Ending
Rating 6.0220 Users
Nee, Amaete! ~Futari no Ane to Mi mo Kokoro mo Torokeru Seikatsu~
Nee, Amaete! ~Futari no Ane to Mi mo Kokoro mo Torokeru Seikatsu~
NAN%
Tags
  • Shimaidon Ending
  • Chosen Choices Marking
  • Brocon Heroine
  • Twin Handjob
  • Protagonist's Blood-related Sister as a Heroine
Rating 6.9423 Users
Yuuwaku Kazoku Ecchi ~Mama to Imouto-tachi no Amai Onedari~
Yuuwaku Kazoku Ecchi ~Mama to Imouto-tachi no Amai Onedari~
NAN%
Tags
  • Mother/Son Incest
  • Incest Romance
  • Only Blood-related Heroines
  • Blood-related Mother/Son Incest
  • Shimaidon with Twins Ending
Rating 6.3235 Users
Kyonyuu de Ecchi na Onee-chan-tachi ga Boku no Chi*po o 24-jikan Hanashite Kurenai!
Kyonyuu de Ecchi na Onee-chan-tachi ga Boku no Chi*po o 24-jikan Hanashite Kurenai!
NAN%
Tags
  • Defloration During Common Route
  • Only Protagonist's Sisters as Heroine(s)
  • Long Sexual Scenes
  • Protagonist's Full Sister as a Heroine
  • Triple Boobjob
Rating 6.7035 Users
Lucky ☆ Bird -Ecchi na Kouun... Kore tte Honto ni Lucky ka!?-
Lucky ☆ Bird -Ecchi na Kouun... Kore tte Honto ni Lucky ka!?-
NAN%
Tags
  • Extremely (un)Lucky Heroine
  • Extremely (un)Lucky Protagonist
  • Goddess Heroine
  • Miko Heroine
  • Oppai Loli Heroine
Rating 6.3121 Users
Keiyaku Kanojo ~Shinmai Kanojo to Hajimeru, Tottemo H de Pure na Ren
Keiyaku Kanojo ~Shinmai Kanojo to Hajimeru, Tottemo H de Pure na Ren'ai Lesson~
NAN%
Tags
  • Sudden Girlfriend Appearance
  • Perverted Friend
  • Protagonist's Girlfriend as a Heroine
  • Time Travel
  • Super Deformed CG's
Rating 6.5821 Users
Aneboku ~Onee-chan wa Bijin 3 Shimai~
Aneboku ~Onee-chan wa Bijin 3 Shimai~
NAN%
Tags
  • Brother/Sister Romance
  • Protagonist with Phimosis
  • Romancing a Family
  • Protagonist's Non-blood-related Sister as a Heroine
  • Single Hole Multiple Objects Insertion (obsolete)
Rating 7.1723 Users
Ane ga Boku no Seieki Tsuki Pantsu o Haku Wake
Ane ga Boku no Seieki Tsuki Pantsu o Haku Wake
NAN%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Clumsy Heroine
  • Perverted Protagonist
  • Siscon Protagonist
  • Cosplay
Rating 6.6722 Users
Tonari no Seki no Gyaru Bitch ~Boku wa Kanojo no Sexfriend!?~
Tonari no Seki no Gyaru Bitch ~Boku wa Kanojo no Sexfriend!?~
NAN%
Tags
  • Skin Color Selection
  • Otaku Protagonist
  • Customization
  • Gyaru Heroine
  • Long Sexual Scenes
Rating 6.4527 Users
Toraba!
Toraba!
NAN%
Tags
  • Romancing a Family
  • Swimming Club
  • Class President Heroine
  • Foolish Friend
  • Oyakodon Ending
Rating 6.8524 Users
Hitorijime! ~Mama mo Shimai mo Otonari-san mo~
Hitorijime! ~Mama mo Shimai mo Otonari-san mo~
NAN%
Tags
  • Group (4+) Footjob
  • Long Common Route
  • Protagonist's Blood-related Sister as a Heroine
  • Oneesan-type Heroine
  • Mother/Son Romance
Rating 6.5317 Users
Milk Junkie 2
Milk Junkie 2
NAN%
Tags
  • Shimaidon Ending
  • Blood-related Sister/Sister Incest
  • Big Breast Sizes Heroine
  • Soapy Massage
  • Changeable Font
Rating 7.5924 Users
Aneimo Neo ~Second Sisters~
Aneimo Neo ~Second Sisters~
NAN%
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
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
Futa Ane ~Bitter & Sweet~
Futa Ane ~Bitter & Sweet~
NAN%
Tags
  • Incest Romance
  • Twin Sisters as Heroines
  • Shimaidon with Twins Ending
  • Divorcee Heroine
  • Blood-related Brother/Sister Incest
Rating 7.4823 Users
Hitozuma♪ Kasumi-san 2 ~Oku-sama - Miboujin Owner to Kyoudou Seikatsu~
Hitozuma♪ Kasumi-san 2 ~Oku-sama - Miboujin Owner to Kyoudou Seikatsu~
NAN%
Tags
  • Only Adult Heroines
  • Vaginal Gaping
  • Widow Heroine
  • Stockings
  • Sexual Cosplay
Rating 7.1720 Users
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
NAN%
Tags
  • Widow Heroine
  • Heroine with Armpit Hair
  • Heroine with Kimono
  • Dildos
  • Rope Bondage
Rating 6.8922 Users
Koi mo H mo Obenkyou mo, Omakase! Oneechan-bu
Koi mo H mo Obenkyou mo, Omakase! Oneechan-bu
NAN%
Tags
  • Ejaculation Forewarner
  • Harem Ending with Theme
  • Brother/Sister Romance
  • Blood-related Brother/Sister Incest
  • Sadist Heroine
Rating 6.8137 Users
Idol Shimai o Ecchi ni Produce!
Idol Shimai o Ecchi ni Produce!
NAN%
Tags
  • Only Blood-related Heroines
  • Only Protagonist's Sisters as Heroine(s)
  • Foreskin Play
  • Only Avoidable Heroine Having Sex with Others
  • Protagonist's Older Sister as a Heroine
Rating 6.6344 Users
Mama no Undoukai
Mama no Undoukai
43%
Tags
  • Sports
  • Heroine with Children
  • Heroine with Pubic Hair
  • Teacher Protagonist
  • Heroine with Sport Bloomers
Rating 6.4213 Users
Onee-chan to Shota-kun to. ~Naka o Yoku Suru H no Kankei~
Onee-chan to Shota-kun to. ~Naka o Yoku Suru H no Kankei~
40%
Tags
  • Protagonist's Blood-related Sister as a Heroine
  • Only Older Heroines
  • Shota Protagonist
  • Brocon Heroine
  • Shotacon
Rating 6.5136 Users
Tonari no Seki no Gyaru Bitch ~Boku wa Kanojo no Sexfriend!?~
Tonari no Seki no Gyaru Bitch ~Boku wa Kanojo no Sexfriend!?~
40%
Tags
  • Skin Color Selection
  • Otaku Protagonist
  • Customization
  • Gyaru Heroine
  • Long Sexual Scenes
Rating 6.4527 Users
Ane ga Boku no Seieki Tsuki Pantsu o Haku Wake
Ane ga Boku no Seieki Tsuki Pantsu o Haku Wake
39%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Clumsy Heroine
  • Perverted Protagonist
  • Siscon Protagonist
  • Cosplay
Rating 6.6722 Users
Aneboku ~Onee-chan wa Bijin 3 Shimai~
Aneboku ~Onee-chan wa Bijin 3 Shimai~
39%
Tags
  • Brother/Sister Romance
  • Protagonist with Phimosis
  • Romancing a Family
  • Protagonist's Non-blood-related Sister as a Heroine
  • Single Hole Multiple Objects Insertion (obsolete)
Rating 7.1723 Users
Lucky ☆ Bird -Ecchi na Kouun... Kore tte Honto ni Lucky ka!?-
Lucky ☆ Bird -Ecchi na Kouun... Kore tte Honto ni Lucky ka!?-
38%
Tags
  • Extremely (un)Lucky Heroine
  • Extremely (un)Lucky Protagonist
  • Goddess Heroine
  • Miko Heroine
  • Oppai Loli Heroine
Rating 6.3121 Users
Keiyaku Kanojo ~Shinmai Kanojo to Hajimeru, Tottemo H de Pure na Ren
Keiyaku Kanojo ~Shinmai Kanojo to Hajimeru, Tottemo H de Pure na Ren'ai Lesson~
38%
Tags
  • Sudden Girlfriend Appearance
  • Perverted Friend
  • Protagonist's Girlfriend as a Heroine
  • Time Travel
  • Super Deformed CG's
Rating 6.5821 Users
Yuuwaku Kazoku Ecchi ~Mama to Imouto-tachi no Amai Onedari~
Yuuwaku Kazoku Ecchi ~Mama to Imouto-tachi no Amai Onedari~
37%
Tags
  • Mother/Son Incest
  • Incest Romance
  • Only Blood-related Heroines
  • Blood-related Mother/Son Incest
  • Shimaidon with Twins Ending
Rating 6.3235 Users
Kyonyuu de Ecchi na Onee-chan-tachi ga Boku no Chi*po o 24-jikan Hanashite Kurenai!
Kyonyuu de Ecchi na Onee-chan-tachi ga Boku no Chi*po o 24-jikan Hanashite Kurenai!
37%
Tags
  • Defloration During Common Route
  • Only Protagonist's Sisters as Heroine(s)
  • Long Sexual Scenes
  • Protagonist's Full Sister as a Heroine
  • Triple Boobjob
Rating 6.7035 Users
Hitorijime! ~Mama mo Shimai mo Otonari-san mo~
Hitorijime! ~Mama mo Shimai mo Otonari-san mo~
37%
Tags
  • Group (4+) Footjob
  • Long Common Route
  • Protagonist's Blood-related Sister as a Heroine
  • Oneesan-type Heroine
  • Mother/Son Romance
Rating 6.5317 Users
Aneimo Neo ~Second Sisters~
Aneimo Neo ~Second Sisters~
36%
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
Futa Ane ~Bitter & Sweet~
Futa Ane ~Bitter & Sweet~
36%
Tags
  • Incest Romance
  • Twin Sisters as Heroines
  • Shimaidon with Twins Ending
  • Divorcee Heroine
  • Blood-related Brother/Sister Incest
Rating 7.4823 Users
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
35%
Tags
  • Widow Heroine
  • Heroine with Armpit Hair
  • Heroine with Kimono
  • Dildos
  • Rope Bondage
Rating 6.8922 Users
Idol Shimai o Ecchi ni Produce!
Idol Shimai o Ecchi ni Produce!
35%
Tags
  • Only Blood-related Heroines
  • Only Protagonist's Sisters as Heroine(s)
  • Foreskin Play
  • Only Avoidable Heroine Having Sex with Others
  • Protagonist's Older Sister as a Heroine
Rating 6.6344 Users
Jukuren Ganbou ~Himeta Omoi to Midara na Ai no Katachi~
Jukuren Ganbou ~Himeta Omoi to Midara na Ai no Katachi~
35%
Tags
  • Businesswoman Heroine
  • Multiple Credit Rolls
  • Twin Footjob
  • Pure Love Story
  • Sex at Work
Rating 6.9224 Users
Ane Tea!?
Ane Tea!?
35%
Tags
  • Non-twin Heroine Sisters
  • P.E. Teacher Heroine
  • Straight Shotacon
  • American Heroine
  • Heroine with Spats
Rating 6.4517 Users
Kuudere Nee-chan Kansatsu Nikki ~Himitsu no Onani, Tousatsu Shichaimashita~
Kuudere Nee-chan Kansatsu Nikki ~Himitsu no Onani, Tousatsu Shichaimashita~
34%
Tags
  • Protagonist's Sister as a Heroine
  • Brother/Sister Incest
  • Kuudere Heroine
  • Brocon Heroine
  • Masturbation with Object
Rating 6.8219 Users
Trouble Home! ~Giri no Haha to Imouto wa Koigataki~
Trouble Home! ~Giri no Haha to Imouto wa Koigataki~
34%
Tags
  • Oyakodon Ending
  • Heroine with Ahoge
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Incest
Rating 6.9136 Users
Danchi Wife ~Hitozuma Nude Model no Kenshin~
Danchi Wife ~Hitozuma Nude Model no Kenshin~
34%
Tags
  • Painter Protagonist
  • Widow Heroine
  • Harem Ending
  • Threesome Ending
  • Adult Breast Feeding
Rating 7.0228 Users
Yandere Onee-chan no Otouto Shiiku Nikki
Yandere Onee-chan no Otouto Shiiku Nikki
33%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Yandere Heroine
  • Jealousy
  • Heroine with Psychological Problems
  • Blood-related Brother/Sister Incest
Rating 6.0841 Users
Mousou Speaker ~H na Mousou ga Kikoete Kuru yo~
Mousou Speaker ~H na Mousou ga Kikoete Kuru yo~
33%
Tags
  • Protagonist's Sister as a Heroine
  • Brother/Sister Incest
  • Protagonist's Younger Sister as a Heroine
  • Brocon Heroine
  • Perverted Heroine
Rating 6.4516 Users
Tsuma Youji 2 ~Boku wa Hitozuma Tenjouin~
Tsuma Youji 2 ~Boku wa Hitozuma Tenjouin~
33%
Tags
  • Driver Heroine
  • Guide Heroine
  • Landlady Heroine
  • Onsen
  • Co-worker Heroine
Rating 7.1421 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?
32%
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
Boin ni Kakero!
Boin ni Kakero!
32%
Tags
  • Onsen
  • American Heroine
  • Lots of Event CGs
  • Heroine With Kansai Accent
  • Shimaidon Ending
Rating 7.4415 Users

Otouto o Aishite Yamanai Ane Arui wa Onii-chan ga Daisukikko na Imouto to no Taboo na Kankei 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 (34 total)

NameScoreImportanceWeight
Harem Ending with Theme3.002.587.73
Sister/Sister Incest3.002.387.13
Incest Romance3.002.256.75
Inbred Protagonist2.003.176.34
Only Protagonist's Sisters as Heroine(s)3.001.995.97
Inbred Heroine2.002.975.95
Lip Sync3.001.835.50
Summer3.001.675.00
Unlockable Harem Ending2.501.874.68
Blood-related Brother/Sister Incest3.001.494.46
Colored Texts2.501.674.18
Heroine with a Fang2.002.064.12
Beach2.002.034.06
Bleep Censor2.001.913.82
Heroine with Small Breasts (Non-Loli)2.001.713.42
Brocon Heroine2.001.613.23
Background Moans2.001.442.87
Boobjob2.001.322.64
Pubic Hair Option1.002.412.41
Pubic Hair Shaving1.002.402.40
Twin Tail Heroine2.001.182.35
Blowjob2.001.112.23
High Amount of Special Effects1.002.212.21
Only Virgin Heroines2.001.082.17
Cowgirl2.500.842.10
Sex on a Beach1.002.002.00
Slice of Life Drama1.001.981.98
Defloration2.500.761.90
Heroine with Big Breasts2.000.851.71
High School Student Heroine2.000.851.70
Doggy Style2.000.801.61
Sex in Public Places1.001.091.09
Group Sex of One Male and Several Females1.000.920.92
Male Protagonist2.500.300.76

Traits (75 total)

NameCharactersImportanceWeight
Half-orphan Role32.112.92
Pubic Hair Shaving Subject of (Sexual)22.602.85
Family Oriented Personality22.312.54
Brother Complex Personality22.062.26
Bicycle Items13.192.21
Reverse Spitroast Subject of (Sexual)21.842.02
Twin Boobjob Engages in (Sexual)21.771.94
Ribbon Hair Wrap Clothes12.621.82
University Student Role21.591.75
Naked Shirt Clothes12.511.74
Full Sister Role21.571.72
Living Alone Role12.401.66
Swim Shorts Clothes12.371.65
Incest Engages in (Sexual)21.471.61
Twin Blowjob Engages in (Sexual)21.451.59
Whimsical Personality12.261.57
Cooking Engages in21.421.56
Bookworm Personality12.161.50
Off-The-Shoulder Shirt Clothes12.151.49
Emotional Personality12.021.40
Watashi Personality21.261.38
Full Brother Role11.951.35
Atashi Personality11.911.32
Part-time Worker Role11.901.32
Younger Brother Role11.901.32
Eleventh Grader Role11.901.32
Fang Body11.881.30
Group Sex of One Male and Several Females Engages in (Sexual)21.171.29
Honest Personality11.841.27
Pajamas Clothes11.751.21
Older Brother Role11.731.20
Teal Eyes11.731.20
Reserved Personality11.721.19
Protective Personality11.681.16
Small Breasts Body11.671.15
Ore Personality11.581.09
Kimono Clothes11.561.08
Older Sister Role11.561.08
Sidehair Hair20.981.07
Energetic Personality11.521.05
Straight Hair20.951.04
Serious Personality11.491.03
Blouse Clothes11.471.02
Bikini Clothes11.461.01
Younger Sister Role11.441.00
Hairpin Clothes11.400.97
Bathroom Sex Engages in (Sexual)11.390.96
Virgin Sex Engages in (Sexual)20.850.93
Skirt Clothes11.330.93
Pink Hair11.330.92
T-shirt Clothes11.310.91
Curtained Hair11.300.90
Parted in Middle Hair11.250.87
Friendly Personality11.220.85
Young-adult Body20.760.84
Blue Hair11.190.83
Trousers Clothes11.190.83
Shirt Clothes11.160.80
Outdoor Sex Engages in (Sexual)11.160.80
Slim Body30.580.80
Big Breasts Body11.140.79
Twin Tails Hair11.130.78
Quickie Fix Subject of (Sexual)11.080.75
Boobjob Engages in (Sexual)11.070.74
Miniskirt Clothes11.060.74
Violet Eyes11.040.72
Thigh-high Stockings Clothes11.040.72
Kind Personality11.030.71
Teen Body20.620.68
Cowgirl Subject of (Sexual)10.950.66
Doggy Style Subject of (Sexual)10.930.64
Long Hair10.750.52
Pale Body30.370.51
Brown Hair10.680.47
Short Hair10.610.42