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Summary

The secret hardcore sex-with-brother-loving imouto ADV game! I vowed I would always protect my little sister. Who knew it would be me who got lured into her panties? "Oniichan, make lottts of sex with me!" [From DLsite English]

Inshuu Mura ~Inbi na Fuushuu ni Ochiru Kazoku~
Inshuu Mura ~Inbi na Fuushuu ni Ochiru Kazoku~
NAN%
Tags
  • Defloration During Common Route
  • Daughter Support Character
  • Protagonist's Wife as a Heroine
  • Protagonist's Blood-related Daughter as a Heroine
  • Unavoidable Rape
Rating 5.7440 Users
Gyaku Rape Joshi Ryou ~Semarikuru Onna-tachi ni Shiboritoraretsuzukeru Ore no Hakudakueki~
Gyaku Rape Joshi Ryou ~Semarikuru Onna-tachi ni Shiboritoraretsuzukeru Ore no Hakudakueki~
NAN%
Tags
  • Dormitory Manager Protagonist
  • Footjob
  • P.E. Teacher Heroine
  • Cheerleader Heroine
  • Principal Heroine
Rating 6.5831 Users
Kitten Philia
Kitten Philia
NAN%
Tags
  • Kemonomimi
  • Kemonomimi Support Character
  • Slave Protagonist
  • Kemonomimi Heroine
  • Clothed Female Naked Male
Rating 6.5126 Users
Kakeochi
Kakeochi
NAN%
Tags
  • Heroine with a Sundress
  • Pure Love Story
  • Reunion
  • Protagonist's Childhood Friend as a Heroine
  • Single Handjob
Rating 6.0020 Users
Hara Poko! ~Inou Saimin de Jogakuen o Haramase Seifuku~
Hara Poko! ~Inou Saimin de Jogakuen o Haramase Seifuku~
NAN%
Tags
  • All-girls School
  • Discipline Committee Member Heroine
  • School Sports Club Member Heroine
  • Impregnation
  • Superpowers
Rating 6.2022 Users
Idol☆Gyaku Rape!! ~Tenshi-tachi no Omocha ni Natta Ore~
Idol☆Gyaku Rape!! ~Tenshi-tachi no Omocha ni Natta Ore~
NAN%
Tags
  • Heroine Based on a Fictional Person
  • Unnamed Protagonist
  • Reverse Rape
  • Idol Heroine
  • Japanese Idols
Rating 6.1426 Users
Ijikuri Mama 3
Ijikuri Mama 3
NAN%
Tags
  • Unavoidable Harem Ending
  • Heroine with Tan Lines
  • Shotacon
  • Inbreeding
  • Protagonist's Blood-related Mother as a Heroine
Rating 5.6926 Users
Do M na High Elf-san to Isekai Haramase Slow Life
Do M na High Elf-san to Isekai Haramase Slow Life
NAN%
Tags
  • Elf Heroine
  • Group Sex with Clones
  • Protagonist from a Different World
  • Only a Single Heroine
  • Impregnation
Rating 5.8032 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
  • Teacher Protagonist
Rating 5.9226 Users
One x Shota
One x Shota
NAN%
Tags
  • Elementary School Student Hero
  • Sex Involving Children
  • Straight Shotacon
  • Shota Hero
  • Summer
Rating 6.8023 Users
Chupi Chupi Otoko no Ko ~Katei Kyoushi to Futago no Himitsu no Jugyou~
Chupi Chupi Otoko no Ko ~Katei Kyoushi to Futago no Himitsu no Jugyou~
NAN%
Tags
  • Only Uke Heroes
  • Only Trap Heroines
  • Seme Protagonist
  • Twincest
  • Tutor Protagonist
Rating 6.7641 Users
Ore no Otouto ga Konna ni k(ry
Ore no Otouto ga Konna ni k(ry
NAN%
Tags
  • Seme Protagonist
  • Only Trap Heroines
  • Male on Trap
  • Only Uke Heroes
  • Brother/Brother Incest
Rating 6.8840 Users
Papa, Dakishimete Ageru ~Babumi na Manamusume no Bosei ni Amaete Nakadashi Zanmai~
Papa, Dakishimete Ageru ~Babumi na Manamusume no Bosei ni Amaete Nakadashi Zanmai~
NAN%
Tags
  • Fathercon Heroine
  • Protagonist's Blood-related Daughter as a Heroine
  • Blood-related Father/Daughter Incest
  • Widow(er) Protagonist
  • Sex on a Roof
Rating 6.2721 Users
Onii-chan, Watashi Mitai na Manaita Hinnyuu no Imouto ni Ashikoki Sarete Kanjichaun Da. Hentai Da ne. Dohentai★
Onii-chan, Watashi Mitai na Manaita Hinnyuu no Imouto ni Ashikoki Sarete Kanjichaun Da. Hentai Da ne. Dohentai★
NAN%
Tags
  • Female Domination Only
  • Heroine with Flat Chest (Non-Loli)
  • Heroine with Gothic Look
  • Sadist Heroine
  • Clothed Female Naked Male
Rating 5.7933 Users
Torotoro Ricchi ~Nee-chan to Sono Tomodachi to Boku.~
Torotoro Ricchi ~Nee-chan to Sono Tomodachi to Boku.~
NAN%
Tags
  • Straight Shotacon
  • Background Moans
  • Nursing Handjob
  • Only Older Heroines
  • Gyaru Heroine
Rating 6.6620 Users
Aimai Ren
Aimai Ren'ai
NAN%
Tags
  • Non-twin Heroine Sisters
  • Twin Buttjob
  • Mentor Support Character
  • Orphan Heroine
  • Okama Support Character
Rating 6.8654 Users
Summer☆Camp
Summer☆Camp
NAN%
Tags
  • Shotacon Heroine
  • Summer Camp
  • Popular Protagonist
  • Promiscuity
  • Heroine with Swimsuits
Rating 6.0931 Users
Bonyuu ga Shimideru Manamusume Manami "Otou-san, Watashi no Milk Takusan Shibotte Hoshii no..."
Bonyuu ga Shimideru Manamusume Manami "Otou-san, Watashi no Milk Takusan Shibotte Hoshii no..."
NAN%
Tags
  • Protagonist's Blood-related Daughter as a Heroine
  • Fathercon Heroine
  • Blood-related Father/Daughter Incest
  • Central Heroine
  • Protagonist with Children
Rating 7.3371 Users
Ore to Imouto no Kounai Play 2 ~Imouto wa Ore ga Otosu~
Ore to Imouto no Kounai Play 2 ~Imouto wa Ore ga Otosu~
NAN%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Brother/Sister Romance
  • Consensual Phone Sex
  • Completely Avoidable Netorare
  • Blood-related Brother/Sister Incest
Rating 6.4823 Users
In Vitro Shoujo -Habatakishi Torikago no Tenshi-
In Vitro Shoujo -Habatakishi Torikago no Tenshi-
NAN%
Tags
  • Angel Heroine
  • Heroine with Wings
  • Heroine with Shorts
  • Robot Heroine
  • Heroine with a Braid
Rating 6.4423 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
  • Defloration During Common Route
  • Shapeshifting
Rating 6.5523 Users
Mama Shibori 3 no Jijou
Mama Shibori 3 no Jijou
NAN%
Tags
  • Swinging
  • Only Older Heroines
  • Straight Shotacon
  • Shota Protagonist
  • Illness
Rating 6.6952 Users
sousyun
sousyun
NAN%
Tags
  • Blood-related Uncle/Niece Incest
  • Protagonist's Niece as a Heroine
  • Heroine with Pre-story Virginity Loss to the Protagonist
  • Sex Involving Children
  • Loli Heroine
Rating 6.1327 Users
Miinasan, Kakkee Desu! -Love Icha Doukyo Seikatsu no Susume-
Miinasan, Kakkee Desu! -Love Icha Doukyo Seikatsu no Susume-
NAN%
Tags
  • Reverse Netorare
  • Defloration During Common Route
  • Protagonist's Girlfriend as a Heroine
  • Betrayal
  • Infidelity
Rating 6.8744 Users
Suki na Dake Soku Hame & Tanetsuke Shite Yorokobareru Sekai
Suki na Dake Soku Hame & Tanetsuke Shite Yorokobareru Sekai
26%
Tags
  • Politician Heroine
  • Sex Under the Necessity
  • Human Childbirth
  • Defloration During Common Route
  • Impregnation
Rating 6.5027 Users
Kiss + 100 Kiss Tokku, Shidou Seri
Kiss + 100 Kiss Tokku, Shidou Seri
25%
Tags
  • Consensual Group Sex of One Female and Several Males
  • Completely Avoidable Netorare
  • Fictional Modern Day Japanese Countryside
  • Netorare Type A
  • Twin Handjob
Rating 6.5027 Users
Onii-chan, Watashi Mitai na Manaita Hinnyuu no Imouto ni Ashikoki Sarete Kanjichaun Da. Hentai Da ne. Dohentai★
Onii-chan, Watashi Mitai na Manaita Hinnyuu no Imouto ni Ashikoki Sarete Kanjichaun Da. Hentai Da ne. Dohentai★
25%
Tags
  • Female Domination Only
  • Heroine with Flat Chest (Non-Loli)
  • Heroine with Gothic Look
  • Sadist Heroine
  • Clothed Female Naked Male
Rating 5.7933 Users
Papa, Dakishimete Ageru ~Babumi na Manamusume no Bosei ni Amaete Nakadashi Zanmai~
Papa, Dakishimete Ageru ~Babumi na Manamusume no Bosei ni Amaete Nakadashi Zanmai~
24%
Tags
  • Fathercon Heroine
  • Protagonist's Blood-related Daughter as a Heroine
  • Blood-related Father/Daughter Incest
  • Widow(er) Protagonist
  • Sex on a Roof
Rating 6.2721 Users
Ore no Otouto ga Konna ni k(ry
Ore no Otouto ga Konna ni k(ry
24%
Tags
  • Seme Protagonist
  • Only Trap Heroines
  • Male on Trap
  • Only Uke Heroes
  • Brother/Brother Incest
Rating 6.8840 Users
One x Shota
One x Shota
23%
Tags
  • Elementary School Student Hero
  • Sex Involving Children
  • Straight Shotacon
  • Shota Hero
  • Summer
Rating 6.8023 Users
Chupi Chupi Otoko no Ko ~Katei Kyoushi to Futago no Himitsu no Jugyou~
Chupi Chupi Otoko no Ko ~Katei Kyoushi to Futago no Himitsu no Jugyou~
23%
Tags
  • Only Uke Heroes
  • Only Trap Heroines
  • Seme Protagonist
  • Twincest
  • Tutor Protagonist
Rating 6.7641 Users
Do M na High Elf-san to Isekai Haramase Slow Life
Do M na High Elf-san to Isekai Haramase Slow Life
22%
Tags
  • Elf Heroine
  • Group Sex with Clones
  • Protagonist from a Different World
  • Only a Single Heroine
  • Impregnation
Rating 5.8032 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~
21%
Tags
  • Heroine with Sport Bloomers
  • Boobs on Glass
  • Suspension Bondage
  • Erotic Mind Control
  • Teacher Protagonist
Rating 5.9226 Users
Aimai Ren
Aimai Ren'ai
20%
Tags
  • Non-twin Heroine Sisters
  • Twin Buttjob
  • Mentor Support Character
  • Orphan Heroine
  • Okama Support Character
Rating 6.8654 Users
Bonyuu ga Shimideru Manamusume Manami "Otou-san, Watashi no Milk Takusan Shibotte Hoshii no..."
Bonyuu ga Shimideru Manamusume Manami "Otou-san, Watashi no Milk Takusan Shibotte Hoshii no..."
20%
Tags
  • Protagonist's Blood-related Daughter as a Heroine
  • Fathercon Heroine
  • Blood-related Father/Daughter Incest
  • Central Heroine
  • Protagonist with Children
Rating 7.3371 Users
In Vitro Shoujo -Habatakishi Torikago no Tenshi-
In Vitro Shoujo -Habatakishi Torikago no Tenshi-
20%
Tags
  • Angel Heroine
  • Heroine with Wings
  • Heroine with Shorts
  • Robot Heroine
  • Heroine with a Braid
Rating 6.4423 Users
Mama Shibori 3 no Jijou
Mama Shibori 3 no Jijou
20%
Tags
  • Swinging
  • Only Older Heroines
  • Straight Shotacon
  • Shota Protagonist
  • Illness
Rating 6.6952 Users
Miinasan, Kakkee Desu! -Love Icha Doukyo Seikatsu no Susume-
Miinasan, Kakkee Desu! -Love Icha Doukyo Seikatsu no Susume-
19%
Tags
  • Reverse Netorare
  • Defloration During Common Route
  • Protagonist's Girlfriend as a Heroine
  • Betrayal
  • Infidelity
Rating 6.8744 Users
Mai Yome ~My Yome~
Mai Yome ~My Yome~
19%
Tags
  • Sex Involving Children
  • Only Younger Heroines
  • Only Protagonist's Sisters as Heroine(s)
  • Only Loli Heroines
  • Deredere Heroine
Rating 5.6020 Users
Pure Marriage ~Akai Ito Monogatari - Sakura Hen~
Pure Marriage ~Akai Ito Monogatari - Sakura Hen~
19%
Tags
  • Protagonist's Wife as a Heroine
  • Childhood Friend Support Character
  • Wedding
  • Protagonist's Full Sister as a Heroine
  • Blood-related Brother/Sister Incest
Rating 6.5322 Users
Yankatsu! ~Yandere Futago to Hone no Zui made Icharabu Seikatsu Suru Hibi~
Yankatsu! ~Yandere Futago to Hone no Zui made Icharabu Seikatsu Suru Hibi~
19%
Tags
  • Shimaidon with Twins Ending
  • Shimaidon Ending
  • Balls Sucking
  • Yandere Heroine
  • Tribadism on Penis
Rating 5.8423 Users
Siscon -Saiminjutsushi Onii-chan to Namaiki na Imouto-
Siscon -Saiminjutsushi Onii-chan to Namaiki na Imouto-
19%
Tags
  • Brother/Sister Incest
  • Chuunibyou Protagonist
  • Erotic Mind Control
  • Only Blood-related Heroines
  • Siscon Protagonist
Rating 6.2422 Users
Musume Shimai
Musume Shimai
19%
Tags
  • Only Protagonist's Relatives as Heroine(s)
  • Protagonist's Blood-related Daughter as a Heroine
  • Blood-related Father/Daughter Incest
  • Sex Involving Children
  • Unnamed Protagonist
Rating 7.0990 Users
Kyuukatsu o Josou Suru
Kyuukatsu o Josou Suru
18%
Tags
  • Only Trap Heroines
  • Male on Trap
  • Seme Protagonist
  • Trap Heroine
  • Male on Male Sex Only
Rating 6.0846 Users
Miai Kekkon Shita Osanazuma ga Otoko no Ko Datta Ken
Miai Kekkon Shita Osanazuma ga Otoko no Ko Datta Ken
18%
Tags
  • Only Trap Heroines
  • Male Pregnancy
  • Hero with Beauty Mark
  • Arranged Marriage
  • Protagonist's Wife as a Heroine
Rating 5.8823 Users
In
In'en no Yu ~Sandai no Okami-tachi to no Mikkou~
18%
Tags
  • Obacon
  • Landlady Heroine
  • In-law Incest
  • Romancing a Family
  • Heroine with Grandchildren
Rating 6.2950 Users
Koibito Aika to Moto Kare ~Futatabi Ano Otoko ni Dakare Kairaku ni Iki Kuruu Ai Suru Kanojo
Koibito Aika to Moto Kare ~Futatabi Ano Otoko ni Dakare Kairaku ni Iki Kuruu Ai Suru Kanojo
18%
Tags
  • Protagonist's Girlfriend as a Heroine
  • Protagonist in Relationship
  • Voiced Thoughts
  • Love Hotel
  • Only Non-Virgin Heroines
Rating 5.6424 Users
Kyonyuu Onsen Kozukuri no Yu ~Yama no Naka no Hitou de Deatta no wa Bijin Oyako Deshita~
Kyonyuu Onsen Kozukuri no Yu ~Yama no Naka no Hitou de Deatta no wa Bijin Oyako Deshita~
18%
Tags
  • Oyakodon Ending
  • Student Council
  • Onsen
  • Widow Heroine
  • Heroine with Kimono
Rating 6.3632 Users

Dear Sister ~Mayu wa Onii-chan no Mono nan Dakara ne!!~ 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 (22 total)

NameScoreImportanceWeight
Only Blood-related Heroines2.002.104.21
Blood-related Brother/Sister Incest2.751.494.09
Only Protagonist's Sisters as Heroine(s)2.001.993.98
Only Younger Heroines2.001.943.89
Hidden Vibrator2.001.693.38
Deredere Heroine2.001.613.23
High Sexual Content2.671.052.80
Single Ending2.001.382.76
Only a Single Heroine2.501.022.55
Student Protagonist2.001.262.51
High School2.001.222.44
Bathroom Sex2.001.192.38
Twin Tail Heroine2.001.182.35
Sex with Protagonist Only2.001.132.26
Only Virgin Heroines2.001.082.17
Student Heroine2.000.991.98
Cunnilingus2.000.931.86
Nukige2.670.651.74
Defloration2.000.761.52
Imouto-type Heroine0.671.741.17
Male Protagonist2.000.300.61
ADV2.000.150.29

Traits (34 total)

NameCharactersImportanceWeight
Bun Covers Clothes12.721.88
Sex in School Infirmary Engages in (Sexual)12.231.54
Odango Hair12.151.49
Hidden Vibrator Subject of (Sexual)12.121.47
Sexual Blindfold Subject of (Sexual)11.851.28
Short Shorts Clothes11.771.23
Pajamas Clothes11.751.21
Vaginal/Anal Sexual Toys Subject of (Sexual)11.721.20
Spoons Subject of (Sexual)11.671.16
Full Sister Role11.571.09
Incest Engages in (Sexual)11.471.02
Blouse Clothes11.471.02
Younger Sister Role11.441.00
Tank Top Clothes11.420.98
Masturbation Engages in (Sexual)11.390.96
Bathroom Sex Engages in (Sexual)11.390.96
Tominagi Subject of (Sexual)11.360.94
Sex in Public Places Engages in (Sexual)11.260.87
Anal Sex Subject of (Sexual)11.190.82
Cunnilingus Subject of (Sexual)11.160.81
Twin Tails Hair11.130.78
Quickie Fix Subject of (Sexual)11.080.75
Vaginal Fingering Subject of (Sexual)11.080.75
Boobjob Engages in (Sexual)11.070.74
Miniskirt Clothes11.060.74
Thigh-high Stockings Clothes11.040.72
Cowgirl Subject of (Sexual)10.950.66
Doggy Style Subject of (Sexual)10.930.64
Shoulder-length Hair10.920.64
Brown Eyes10.900.63
Virgin Sex Engages in (Sexual)10.850.59
Blowjob Engages in (Sexual)10.760.53
School Uniform Clothes10.750.52
Brown Hair10.680.47