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Summary

The protagonist is currently living together with his older sister and going to prep school everyday. He likes her but is unable to be honest about his feelings. One day, he comes home early and see his sister masturbating while sniffing his shorts. At the height of his arousal, he unintentionally has sex with her. After doing the deed and being questioned if she likes him, his sister denies it on the ground that she only likes his scent. While disappointed at her words, he is delighted to know that from now on, he can make her do anything using his smell. [Translated from Official Site]

Ane to Ore wa Naka ga Ii
Ane to Ore wa Naka ga Ii
NAN%
Tags
  • Brocon Heroine
  • Blood-related Brother/Sister Incest
  • Hairjob
  • Oneesan-type Heroine
  • Harem Ending
Rating 6.3033 Users
Senpai no Oku-san ni Yuuwaku Sarete, Mi mo Kokoro mo Netoru Hanashi
Senpai no Oku-san ni Yuuwaku Sarete, Mi mo Kokoro mo Netoru Hanashi
NAN%
Tags
  • Voiced Thoughts
  • Pregnancy Good Ending
  • Only One Bad Ending
  • Infidelity
  • Highly Animated Sprites
Rating 6.7847 Users
Deisui Sasereba Rakushou Sex ~Oba to Itoko Hen~
Deisui Sasereba Rakushou Sex ~Oba to Itoko Hen~
NAN%
Tags
  • Protagonist's Aunt as a Heroine
  • Drunk Sex
  • Aunt/Nephew Incest
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Cousin as a Heroine
Rating 6.6659 Users
Aniyome -Miboujin-
Aniyome -Miboujin-
NAN%
Tags
  • In-law Incest
  • Passage of Time
  • Heroine with Children
  • Evil Route
  • Widow Heroine
Rating 6.3856 Users
Neko no Onee-chan ga Oshiete Kureta Koto
Neko no Onee-chan ga Oshiete Kureta Koto
NAN%
Tags
  • Shotacon
  • Catgirl Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Skin Color Selection
Rating 6.8423 Users
Mesu Ochi! Kyonyuuzuma to no Iyasare Love Onsen ~Kyonyuuzuma-tachi to Mi mo Kokoro mo Fureau Love Ero Seikatsu~
Mesu Ochi! Kyonyuuzuma to no Iyasare Love Onsen ~Kyonyuuzuma-tachi to Mi mo Kokoro mo Fureau Love Ero Seikatsu~
NAN%
Tags
  • Ryokan
  • Heroine with Pubic Hair
  • Netori
  • Nursing Handjob
  • Onsen
Rating 7.4799 Users
Itsu made mo Musuko no Mama ja Irarenai! 5 ~Kyonyuu Ottori Mama no Attaka Oppai ni Tsutsumare nagara Amaetai!~
Itsu made mo Musuko no Mama ja Irarenai! 5 ~Kyonyuu Ottori Mama no Attaka Oppai ni Tsutsumare nagara Amaetai!~
NAN%
Tags
  • Obacon
  • Mother/Son Incest
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Mother/Son Romance
Rating 7.3392 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
Joushi no Oku-san no Yokkyuu Fuman o Kaishou Sasete, Mi mo Kokoro mo Netoru Hanashi
Joushi no Oku-san no Yokkyuu Fuman o Kaishou Sasete, Mi mo Kokoro mo Netoru Hanashi
NAN%
Tags
  • Sex on a Beach
  • Heroine with Children
  • Highly Animated Sprites
  • Lip Sync
  • Love Hotel
Rating 6.5139 Users
Sispaco ~H na Amakara 4 Shimai~
Sispaco ~H na Amakara 4 Shimai~
NAN%
Tags
  • Protagonist's Older Sister as a Heroine
  • Single Legjob
  • Non-blood-related Sister/Sister Incest
  • Heroine with Gigantic Breasts
  • Brother/Sister Romance
Rating 6.8751 Users
Kakeochi
Kakeochi
NAN%
Tags
  • Heroine with a Sundress
  • Pure Love Story
  • Reunion
  • Protagonist's Childhood Friend as a Heroine
  • Single Handjob
Rating 5.9720 Users
Binyuu Kiss Nee Rimi "Otouto no Kuse ni Sakarau Nante... Namaiki yo!"
Binyuu Kiss Nee Rimi "Otouto no Kuse ni Sakarau Nante... Namaiki yo!"
NAN%
Tags
  • Oneesan-type Heroine
  • Blood-related Aunt/Nephew Incest
  • Incest Romance
  • Kissing Scene
  • Armpit Sex
Rating 7.3123 Users
Bracon! Nazusa Onee-chan no Seikatsu Hogo
Bracon! Nazusa Onee-chan no Seikatsu Hogo
NAN%
Tags
  • School Nurse Heroine
  • Brocon Heroine
  • Blood-related Brother/Sister Incest
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 6.7743 Users
Nee x Nee! Docchi ga Suki? Docchi mo!! ~Yasashii Onee-chan to Cool na Onee-chan ni Hasamarete Boku wa Mou!!~
Nee x Nee! Docchi ga Suki? Docchi mo!! ~Yasashii Onee-chan to Cool na Onee-chan ni Hasamarete Boku wa Mou!!~
NAN%
Tags
  • Obacon
  • Ear-Cleaning
  • Only Older Heroines
  • Reverse Trap Heroine
  • Only Protagonist's Sisters as Heroine(s)
Rating 7.3567 Users
Sister Lesson
Sister Lesson
NAN%
Tags
  • System Time Events
  • Oneesan-type Heroine
  • Ear-Cleaning
  • Shimaidon
  • Homecoming
Rating 7.4959 Users
Mesu Ochi! Miwaku no Hitozuma Life ~Toshiuezuma-tachi to no Icha Love Shirudaku Seikatsu~
Mesu Ochi! Miwaku no Hitozuma Life ~Toshiuezuma-tachi to no Icha Love Shirudaku Seikatsu~
NAN%
Tags
  • Rounin Protagonist
  • In-law Incest
  • Protagonist's Sister-in-Law as a Heroine
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
Rating 7.08115 Users
Namepu!
Namepu!
NAN%
Tags
  • Single Legjob
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
  • Kneepit Sex
  • Forbidden Love
Rating 7.2558 Users
Ikenai Kozukuri 5 ~Tonari ni Koshitekita Hitozuma to Ikenai Sex~
Ikenai Kozukuri 5 ~Tonari ni Koshitekita Hitozuma to Ikenai Sex~
NAN%
Tags
  • Visible Cervix Penetration
  • Ugly Protagonist
  • Chubby Protagonist
  • Apartment Building
  • Netori
Rating 6.5732 Users
Ane Tsumami ~Miwaku no Osananajimi Onee-san Hitozuma to no Mecha Ero Dousei LoveLife~
Ane Tsumami ~Miwaku no Osananajimi Onee-san Hitozuma to no Mecha Ero Dousei LoveLife~
NAN%
Tags
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Sex on a Beach
  • Highly Animated Sprites
  • Lip Sync
Rating 7.5058 Users
Siskon
Siskon
NAN%
Tags
  • Brother/Sister Romance
  • Blood-related Brother/Sister Incest
  • Salaryman Protagonist
  • Childishly Violent Heroine
  • Childhood Promise
Rating 6.6029 Users
Hirusagari no Danchizuma 3 ~Otto ni wa Ienai Himitsu no Houmon Hanbai~
Hirusagari no Danchizuma 3 ~Otto ni wa Ienai Himitsu no Houmon Hanbai~
NAN%
Tags
  • Netori
  • Highly Animated Sprites
  • Sexual Devices
  • Naked Heroine with Apron
  • Condoms
Rating 6.5931 Users
Oyako Ai ~Ikenai Kozukuri 2~
Oyako Ai ~Ikenai Kozukuri 2~
NAN%
Tags
  • Heroine with Baby Complex
  • Protagonist's Blood-related Daughter as a Heroine
  • Fathercon Heroine
  • Blood-related Father/Daughter Incest
  • No "Keep Voice on Click" Option
Rating 6.5770 Users
Dekakute Ecchi na Ore no Ane
Dekakute Ecchi na Ore no Ane
NAN%
Tags
  • Sex Under the Necessity
  • Oneesan-type Heroine
  • Defloration During Common Route
  • Inbreeding
  • Sprite Viewer
Rating 7.1973 Users
Tomodachi no Haha ~Jukujuku Taru Omoi~
Tomodachi no Haha ~Jukujuku Taru Omoi~
NAN%
Tags
  • Netori
  • Armpit Licking
  • Nursing Handjob
  • Only Older Heroines
  • Discreet Phone Sex
Rating 7.0555 Users
Oyako Ai 2
Oyako Ai 2
40%
Tags
  • Heroine with Baby Complex
  • Mother/Son Romance
  • Blood-related Mother/Son Incest
  • Protagonist's Blood-related Mother as a Heroine
  • Only Protagonist's Relatives as Heroine(s)
Rating 6.9576 Users
Hitozuma ni Natta Onee-san ~Manatsu no Omoide~
Hitozuma ni Natta Onee-san ~Manatsu no Omoide~
36%
Tags
  • Heroine with Jeans
  • Food Play
  • Ejaculation Forewarner
  • Heroine with Inverted Nipples
  • Mirror Sex
Rating 6.5927 Users
Nee x Nee! Docchi ga Suki? Docchi mo!! ~Yasashii Onee-chan to Cool na Onee-chan ni Hasamarete Boku wa Mou!!~
Nee x Nee! Docchi ga Suki? Docchi mo!! ~Yasashii Onee-chan to Cool na Onee-chan ni Hasamarete Boku wa Mou!!~
34%
Tags
  • Obacon
  • Ear-Cleaning
  • Only Older Heroines
  • Reverse Trap Heroine
  • Only Protagonist's Sisters as Heroine(s)
Rating 7.3567 Users
Bracon! Nazusa Onee-chan no Seikatsu Hogo
Bracon! Nazusa Onee-chan no Seikatsu Hogo
32%
Tags
  • School Nurse Heroine
  • Brocon Heroine
  • Blood-related Brother/Sister Incest
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 6.7743 Users
Binyuu Kiss Nee Rimi "Otouto no Kuse ni Sakarau Nante... Namaiki yo!"
Binyuu Kiss Nee Rimi "Otouto no Kuse ni Sakarau Nante... Namaiki yo!"
31%
Tags
  • Oneesan-type Heroine
  • Blood-related Aunt/Nephew Incest
  • Incest Romance
  • Kissing Scene
  • Armpit Sex
Rating 7.3123 Users
Sispaco ~H na Amakara 4 Shimai~
Sispaco ~H na Amakara 4 Shimai~
30%
Tags
  • Protagonist's Older Sister as a Heroine
  • Single Legjob
  • Non-blood-related Sister/Sister Incest
  • Heroine with Gigantic Breasts
  • Brother/Sister Romance
Rating 6.8751 Users
Kakeochi
Kakeochi
30%
Tags
  • Heroine with a Sundress
  • Pure Love Story
  • Reunion
  • Protagonist's Childhood Friend as a Heroine
  • Single Handjob
Rating 5.9720 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!
30%
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
Joushi no Oku-san no Yokkyuu Fuman o Kaishou Sasete, Mi mo Kokoro mo Netoru Hanashi
Joushi no Oku-san no Yokkyuu Fuman o Kaishou Sasete, Mi mo Kokoro mo Netoru Hanashi
30%
Tags
  • Sex on a Beach
  • Heroine with Children
  • Highly Animated Sprites
  • Lip Sync
  • Love Hotel
Rating 6.5139 Users
Mesu Ochi! Miwaku no Hitozuma Life ~Toshiuezuma-tachi to no Icha Love Shirudaku Seikatsu~
Mesu Ochi! Miwaku no Hitozuma Life ~Toshiuezuma-tachi to no Icha Love Shirudaku Seikatsu~
29%
Tags
  • Rounin Protagonist
  • In-law Incest
  • Protagonist's Sister-in-Law as a Heroine
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
Rating 7.08115 Users
Ikenai Kozukuri 5 ~Tonari ni Koshitekita Hitozuma to Ikenai Sex~
Ikenai Kozukuri 5 ~Tonari ni Koshitekita Hitozuma to Ikenai Sex~
29%
Tags
  • Visible Cervix Penetration
  • Ugly Protagonist
  • Chubby Protagonist
  • Apartment Building
  • Netori
Rating 6.5732 Users
Siskon
Siskon
29%
Tags
  • Brother/Sister Romance
  • Blood-related Brother/Sister Incest
  • Salaryman Protagonist
  • Childishly Violent Heroine
  • Childhood Promise
Rating 6.6029 Users
Oyako Ai ~Ikenai Kozukuri 2~
Oyako Ai ~Ikenai Kozukuri 2~
29%
Tags
  • Heroine with Baby Complex
  • Protagonist's Blood-related Daughter as a Heroine
  • Fathercon Heroine
  • Blood-related Father/Daughter Incest
  • No "Keep Voice on Click" Option
Rating 6.5770 Users
Tomodachi no Haha ~Jukujuku Taru Omoi~
Tomodachi no Haha ~Jukujuku Taru Omoi~
29%
Tags
  • Netori
  • Armpit Licking
  • Nursing Handjob
  • Only Older Heroines
  • Discreet Phone Sex
Rating 7.0555 Users
Itsu made mo Musuko no Mama ja Irarenai! 3 ~Kyonyuu de Muchimuchi na Kaa-san no Oppai o Sutte Monde Hasande Ippai Dashitai!~
Itsu made mo Musuko no Mama ja Irarenai! 3 ~Kyonyuu de Muchimuchi na Kaa-san no Oppai o Sutte Monde Hasande Ippai Dashitai!~
29%
Tags
  • Obacon
  • Mother/Son Romance
  • Mother/Son Incest
  • Incest Romance
  • Only Blood-related Heroines
Rating 7.23196 Users
Mesu Ochi! Ore no Netori-bou de Midara ni Aegu Senpai & Kouhai Tsuma 2 ~Mucchiri Nikuatsu no Kyonyuu Tsuma-tachi to no Icharabu Hame Seikatsu~
Mesu Ochi! Ore no Netori-bou de Midara ni Aegu Senpai & Kouhai Tsuma 2 ~Mucchiri Nikuatsu no Kyonyuu Tsuma-tachi to no Icharabu Hame Seikatsu~
28%
Tags
  • Co-worker Heroine
  • Protagonist's Boss as a Heroine
  • Masturbation with Object
  • Office Lady Heroine
  • Drunk Sex
Rating 7.5272 Users
Harem Mura ~Dousotsu Fukahi! Kodane Teikyou wa Mura no Okite Desu!!~
Harem Mura ~Dousotsu Fukahi! Kodane Teikyou wa Mura no Okite Desu!!~
28%
Tags
  • Birthrate Decline
  • Polygamy
  • Unavoidable Harem Ending
  • Polyamory
  • Sexual Slavery (Consensual)
Rating 6.6358 Users
Meimon Joshikou Ryokou ~Ore Dake Otoko Nandesu ga!?~
Meimon Joshikou Ryokou ~Ore Dake Otoko Nandesu ga!?~
28%
Tags
  • Trap Protagonist
  • All-girls School
  • Single Buttjob
  • Half-Japanese Heroine
  • Only Virgin Heroines
Rating 7.0724 Users
Onii-chan!! Shasei no Kanri wa Imouto ni Makasete!!
Onii-chan!! Shasei no Kanri wa Imouto ni Makasete!!
28%
Tags
  • Full Chastity Belt
  • Quadruple+ Blowjob
  • Clothed Female Naked Male
  • Protagonist's Sister as a Heroine
  • Cosplay
Rating 6.9630 Users
Boku One ~End of Summer Days After~
Boku One ~End of Summer Days After~
28%
Tags
  • Heroine with Baby Complex
  • Summer
  • Time Jump
  • Pillow Talk
  • Armpit Licking
Rating 7.2632 Users
Itsu made mo Musuko no Mama ja Irarenai! 2 ~Kyonyuu Kyoushi no Kaa-san ni Ie Demo Gakuen Demo Amaetai! Aa, Ii yo Kaa-san! Haa Haa, Sugoku Koufun Suru!~
Itsu made mo Musuko no Mama ja Irarenai! 2 ~Kyonyuu Kyoushi no Kaa-san ni Ie Demo Gakuen Demo Amaetai! Aa, Ii yo Kaa-san! Haa Haa, Sugoku Koufun Suru!~
28%
Tags
  • Obacon
  • Mother/Son Romance
  • High Amount of Special Effects
  • Incest Romance
  • Protagonist's Blood-related Mother as a Heroine
Rating 7.40231 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~
27%
Tags
  • Heroine with Leotard
  • Netori
  • Discreet Phone Sex
  • Penile Masturbation
  • Highly Animated Sprites
Rating 6.5429 Users
Succu Ari Apart
Succu Ari Apart
27%
Tags
  • Heroine with Gigantic Breasts
  • Voice Saving
  • Playtime Counter
  • Heroine with Inverted Nipples
  • Nursing Handjob
Rating 6.8333 Users
Itsu made mo Musuko no Mama ja Irarenai! ~Sewazuki Aoi-kaa-san no Muchimuchi Oppai ni Amaete Ippai Shasei Shitai!~
Itsu made mo Musuko no Mama ja Irarenai! ~Sewazuki Aoi-kaa-san no Muchimuchi Oppai ni Amaete Ippai Shasei Shitai!~
27%
Tags
  • Obacon
  • Mother/Son Romance
  • Protagonist's Blood-related Mother as a Heroine
  • Incest Romance
  • Blood-related Mother/Son Incest
Rating 7.58135 Users

Ikenai Kozukuri 4 ~Namaiki na Aneki ga Jitsu wa Ore no Semen ga Daisuki Datta!?~ 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 (37 total)

NameScoreImportanceWeight
Rounin Protagonist2.002.905.81
Brother/Sister Romance2.501.924.81
Blood-related Brother/Sister Incest3.001.484.45
Only Blood-related Heroines2.002.094.17
Only Older Heroines2.002.074.15
Impregnation3.001.374.12
Brocon Heroine2.501.614.01
Sex on a Beach2.001.993.98
Only Protagonist's Sisters as Heroine(s)2.001.993.98
Inbreeding2.001.983.96
Classic Tsundere Heroine2.001.713.43
Adult Breast Feeding2.001.713.41
Piledriver2.001.593.18
Spoons2.001.492.98
Kissing Scene2.001.442.88
Vaginal Masturbation2.001.362.72
Under the Same Roof2.001.272.54
Lactation During Sex2.001.272.54
Vaginal Fingering2.001.252.50
Pregnant Sex2.001.182.35
Single Boobjob2.001.152.29
Only Virgin Heroines2.001.082.16
Standing Sex2.001.052.11
Sitting Sex2.001.052.11
Naked Sprites2.001.052.10
Protagonist's Sister as a Heroine1.002.092.09
Only a Single Heroine2.001.022.03
Outdoor Sex2.000.991.99
Single Blowjob2.000.951.91
Missionary Position2.000.941.88
Cowgirl2.000.841.67
Nukige2.500.651.62
Doggy Style2.000.801.61
Defloration2.000.761.52
Multiple Endings2.000.671.34
Male Protagonist3.000.300.90
ADV2.000.140.29

Traits (44 total)

NameCharactersImportanceWeight
Catsuit Clothes12.621.82
Sling Bikini Clothes12.611.81
Adult Breast Feeding (obsolete) Engages in (Sexual)12.491.73
Armpit Sex Engages in (Sexual)12.481.72
Childbirth Engages in12.481.72
Classic Tsundere Personality12.401.66
Inbreeding Engages in (Sexual)12.201.53
Waitstaff Uniform Clothes12.061.43
Cuffs Clothes12.031.41
Over The Knee Socks Clothes11.941.35
Piledriver Subject of (Sexual)11.941.35
Waitstaff Role11.811.26
Mature Personality11.811.26
Reverse Missionary Subject of (Sexual)11.741.20
Spoons Subject of (Sexual)11.671.15
Lactation Engages in11.591.10
Apron Clothes11.581.10
Full Sister Role11.561.08
Older Sister Role11.561.08
Pregnant Sex Engages in (Sexual)11.531.06
Choker Clothes11.501.04
Incest Engages in (Sexual)11.471.02
Blouse Clothes11.461.01
Black Eyes11.420.98
Pregnancy Subject of11.400.97
Masturbation Engages in (Sexual)11.390.97
Nipple Sucking Subject of (Sexual)11.380.96
Ahoge Hair11.320.92
Ahegao Engages in (Sexual)11.320.92
Watashi Personality11.250.87
Blue Hair11.190.83
Standing Sex Subject of (Sexual)11.180.81
Handjob Engages in (Sexual)11.160.80
Outdoor Sex Engages in (Sexual)11.160.80
Missionary Subject of (Sexual)11.120.77
Boobjob Engages in (Sexual)11.070.74
Miniskirt Clothes11.060.74
Sitting Sex Subject of (Sexual)11.060.74
Cowgirl Subject of (Sexual)10.950.66
Doggy Style Subject of (Sexual)10.920.64
Virgin Sex Engages in (Sexual)10.850.59
Waist Length+ Hair10.810.56
Black Hair10.800.56
Blowjob Engages in (Sexual)10.760.53