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Mazomai ~M na Imouto no Ecchi na Onedari~
Mazomai ~M na Imouto no Ecchi na Onedari~
NAN%
Tags
  • Protagonist's Full Sister as a Heroine
  • Only Protagonist's Sisters as Heroine(s)
  • Harem Ending with Theme
  • Homemaker Protagonist
  • Naizuri
Rating 6.8937 Users
Amamane 2
Amamane 2
NAN%
Tags
  • Baseball
  • Slice of Life
  • Only Younger Heroines
  • Short Sexual Scenes
  • Only a Single Heroine
Rating 6.7627 Users
Onaji Class no Idol-san. Around me is full by a celebrity.
Onaji Class no Idol-san. Around me is full by a celebrity.
NAN%
Tags
  • Japanese Idols
  • Singer Heroine
  • Idol Heroine
  • Donkan Protagonist
  • Single Footjob
Rating 6.8955 Users
Yuunagi-sou no S-kyuu no Kanojo-tachi 2
Yuunagi-sou no S-kyuu no Kanojo-tachi 2
NAN%
Tags
  • Share House
  • Unavoidable Harem Ending
  • Seiyuu Heroine
  • Mirror Sex
  • Peace Sign Ahegao
Rating 7.3446 Users
Yuunagi-sou no S-kyuu no Kanojo-tachi
Yuunagi-sou no S-kyuu no Kanojo-tachi
NAN%
Tags
  • Share House
  • Dormitory Manager Heroine
  • Writer Heroine
  • Braless Heroine
  • Unavoidable Harem Ending
Rating 7.4788 Users
Harame ~Seishi o Hoshigaru Midara na Oshiego~
Harame ~Seishi o Hoshigaru Midara na Oshiego~
NAN%
Tags
  • Nude Filter
  • Fictional Modern Day Japanese Countryside
  • Pregnancy Good Ending
  • Countryside
  • Kneepit Sex
Rating 6.6944 Users
Megasuki! ~Kanojo to Boku no Megane Jijou~ Toono Shiori Hen
Megasuki! ~Kanojo to Boku no Megane Jijou~ Toono Shiori Hen
NAN%
Tags
  • Student-Teacher Romance
  • Only Older Heroines
  • Only Non-Virgin Heroines
  • Teacher Heroine
  • Heroine with Glasses
Rating 6.9536 Users
God Sisters
God Sisters
NAN%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Protagonist's Non-blood-related Sister as a Heroine
  • Background Moans
  • Ejaculation Forewarner
  • Heroine with a Fang
Rating 6.6936 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~
NAN%
Tags
  • Stranded
  • Quadruple+ Blowjob
  • Has Window Transparency Setting
  • Twin Buttjob
  • Island
Rating 7.0726 Users
Low na Imouto ni Succubus ga Toritsuita node Tanetsuke Yoyuu deshita.
Low na Imouto ni Succubus ga Toritsuita node Tanetsuke Yoyuu deshita.
NAN%
Tags
  • Possession
  • Succubus Heroine
  • Unlockable Sexual Content
  • Protagonist's Younger Sister as a Heroine
  • Fake Choices
Rating 6.5623 Users
Love Cafe ~Doutei na Ore demo, Kyonyuu Onna Senpai to Dousei Dekirutte Maji Desu ka?
Love Cafe ~Doutei na Ore demo, Kyonyuu Onna Senpai to Dousei Dekirutte Maji Desu ka?
NAN%
Tags
  • Poor Protagonist
  • Cafe
  • Bunnygirl Cosplay
  • Only Adult Heroines
  • Nursing Handjob
Rating 6.9921 Users
Shibora Renkare Keiyaku Hataraku Otona no Onee-san to H na Rental Kareshi Seikatsu
Shibora Renkare Keiyaku Hataraku Otona no Onee-san to H na Rental Kareshi Seikatsu
NAN%
Tags
  • Programmer Heroine
  • Nurse Protagonist
  • Half-Japanese Heroine
  • Prostitute Protagonist
  • Twin Footjob
Rating 6.9936 Users
Imosapo! ~Genkin de Low na Kyonyuu Imouto ni, Oppai Momasete Moraimashita~
Imosapo! ~Genkin de Low na Kyonyuu Imouto ni, Oppai Momasete Moraimashita~
NAN%
Tags
  • Runaway Heroine
  • Slice of Life Comedy
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
  • Clothed Boobjob
Rating 7.0932 Users
Ore to Nakayoshi Shimai no Inma na Himitsu ~Imouto ni Shinu hodo Kiraware Nagara Ane to Sex Suru Kimyou Doukyo Seikatsu~
Ore to Nakayoshi Shimai no Inma na Himitsu ~Imouto ni Shinu hodo Kiraware Nagara Ane to Sex Suru Kimyou Doukyo Seikatsu~
NAN%
Tags
  • Blood-related Sister/Sister Incest
  • Shimaidon Ending
  • Completion Status Indicator
  • Tribadism on Penis
  • Sex in a Vehicle
Rating 6.7048 Users
Shuukatsu!
Shuukatsu!
NAN%
Tags
  • School Nurse Heroine
  • Protagonist as the Only Male
  • Long Sexual Scenes
  • Highly Animated Sprites
  • Gynophobic/Androphobic Protagonist
Rating 6.8521 Users
Otokano ~Otouto no Kanojo ga Bunkei de Tsuyome!?~
Otokano ~Otouto no Kanojo ga Bunkei de Tsuyome!?~
NAN%
Tags
  • Protagonist's Older Sister as a Heroine
  • Long Common Route
  • Protagonist's Girlfriend as a Heroine
  • Protagonist's Full Sister as a Heroine
  • Highly Animated Sprites
Rating 7.6272 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
Ane wa Tsurezure Naru Mama ni ~Otouto no Ecchi na Osewa wa Ama-Ero JK Sisters ni Omakase!~
Ane wa Tsurezure Naru Mama ni ~Otouto no Ecchi na Osewa wa Ama-Ero JK Sisters ni Omakase!~
NAN%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Nursing Handjob
  • Siscon Protagonist
  • Love Hotel
  • Legwear Footjob
Rating 6.7152 Users
Sister Lesson
Sister Lesson
NAN%
Tags
  • System Time Events
  • Oneesan-type Heroine
  • Ear-Cleaning
  • Shimaidon
  • Homecoming
Rating 7.4959 Users
Gyaru Shimai ~Harem Time ga Tomaranai!~
Gyaru Shimai ~Harem Time ga Tomaranai!~
NAN%
Tags
  • Skin Color Selection
  • Shimaidon
  • Gyaru Heroine
  • Twin Boobjob
  • Non-twin Heroine Sisters
Rating 6.5227 Users
Megasuki! ~Kanojo to Boku no Megane Jijou~ Azumino G Sakurako Hen
Megasuki! ~Kanojo to Boku no Megane Jijou~ Azumino G Sakurako Hen
NAN%
Tags
  • Student-Teacher Romance
  • Only Older Heroines
  • Half-Japanese Heroine
  • Teacher Heroine
  • Heroine with Glasses
Rating 7.1534 Users
Futamata Yarou to Papakatsu Shimai
Futamata Yarou to Papakatsu Shimai
NAN%
Tags
  • Shimaidon with Twins
  • Twin Sisters as Heroines
  • Otaku Protagonist
  • Sex Involving Prostitution
  • Otaku Heroine
Rating 6.5723 Users
Kazoku wa (Ore Igai) Succubus Deshita ~ Futari no Ane to Haha to no Seikatsu de Seieki o Shiboritora Remasu ~
Kazoku wa (Ore Igai) Succubus Deshita ~ Futari no Ane to Haha to no Seikatsu de Seieki o Shiboritora Remasu ~
NAN%
Tags
  • Succubus Heroine
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Only Protagonist's Relatives as Heroine(s)
  • Non-blood-related Brother/Sister Incest
Rating 7.0430 Users
shin-neko ~Saikai Shita Imouto to no Arata na Kankei~
shin-neko ~Saikai Shita Imouto to no Arata na Kankei~
NAN%
Tags
  • Straight Lolicon
  • Only Blood-related Heroines
  • Only Protagonist's Sisters as Heroine(s)
  • Only Younger Heroines
  • Only Loli Heroines
Rating 6.4730 Users
Otouto-kun Chou Suki 99 Jikan Amaenasai!
Otouto-kun Chou Suki 99 Jikan Amaenasai!
45%
Tags
  • Only Blood-related Heroines
  • Nursing Handjob
  • Armpit Sex
  • Single Footjob
  • Heroine with Glasses
Rating 6.6920 Users
Chinkamo Twins 2! ~Natsu da! Umi da! Futago no Imouto Oppai Taiketsu da!~
Chinkamo Twins 2! ~Natsu da! Umi da! Futago no Imouto Oppai Taiketsu da!~
42%
Tags
  • Only Blood-related Heroines
  • Only Protagonist's Sisters as Heroine(s)
  • Unnamed Protagonist
  • Twin Footjob
  • Oppai Loli Heroine
Rating 6.3720 Users
Ore to Nakayoshi Shimai no Inma na Himitsu ~Imouto ni Shinu hodo Kiraware Nagara Ane to Sex Suru Kimyou Doukyo Seikatsu~
Ore to Nakayoshi Shimai no Inma na Himitsu ~Imouto ni Shinu hodo Kiraware Nagara Ane to Sex Suru Kimyou Doukyo Seikatsu~
41%
Tags
  • Blood-related Sister/Sister Incest
  • Shimaidon Ending
  • Completion Status Indicator
  • Tribadism on Penis
  • Sex in a Vehicle
Rating 6.7048 Users
Imosapo! ~Genkin de Low na Kyonyuu Imouto ni, Oppai Momasete Moraimashita~
Imosapo! ~Genkin de Low na Kyonyuu Imouto ni, Oppai Momasete Moraimashita~
41%
Tags
  • Runaway Heroine
  • Slice of Life Comedy
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
  • Clothed Boobjob
Rating 7.0932 Users
Shibora Renkare Keiyaku Hataraku Otona no Onee-san to H na Rental Kareshi Seikatsu
Shibora Renkare Keiyaku Hataraku Otona no Onee-san to H na Rental Kareshi Seikatsu
37%
Tags
  • Programmer Heroine
  • Nurse Protagonist
  • Half-Japanese Heroine
  • Prostitute Protagonist
  • Twin Footjob
Rating 6.9936 Users
Low na Imouto ni Succubus ga Toritsuita node Tanetsuke Yoyuu deshita.
Low na Imouto ni Succubus ga Toritsuita node Tanetsuke Yoyuu deshita.
36%
Tags
  • Possession
  • Succubus Heroine
  • Unlockable Sexual Content
  • Protagonist's Younger Sister as a Heroine
  • Fake Choices
Rating 6.5623 Users
Love Cafe ~Doutei na Ore demo, Kyonyuu Onna Senpai to Dousei Dekirutte Maji Desu ka?
Love Cafe ~Doutei na Ore demo, Kyonyuu Onna Senpai to Dousei Dekirutte Maji Desu ka?
36%
Tags
  • Poor Protagonist
  • Cafe
  • Bunnygirl Cosplay
  • Only Adult Heroines
  • Nursing Handjob
Rating 6.9921 Users
God Sisters
God Sisters
36%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Protagonist's Non-blood-related Sister as a Heroine
  • Background Moans
  • Ejaculation Forewarner
  • Heroine with a Fang
Rating 6.6936 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~
35%
Tags
  • Stranded
  • Quadruple+ Blowjob
  • Has Window Transparency Setting
  • Twin Buttjob
  • Island
Rating 7.0726 Users
Otokano ~Otouto no Kanojo ga Bunkei de Tsuyome!?~
Otokano ~Otouto no Kanojo ga Bunkei de Tsuyome!?~
35%
Tags
  • Protagonist's Older Sister as a Heroine
  • Long Common Route
  • Protagonist's Girlfriend as a Heroine
  • Protagonist's Full Sister as a Heroine
  • Highly Animated Sprites
Rating 7.6272 Users
Ane wa Tsurezure Naru Mama ni ~Otouto no Ecchi na Osewa wa Ama-Ero JK Sisters ni Omakase!~
Ane wa Tsurezure Naru Mama ni ~Otouto no Ecchi na Osewa wa Ama-Ero JK Sisters ni Omakase!~
34%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Nursing Handjob
  • Siscon Protagonist
  • Love Hotel
  • Legwear Footjob
Rating 6.7152 Users
Gyaru Shimai ~Harem Time ga Tomaranai!~
Gyaru Shimai ~Harem Time ga Tomaranai!~
34%
Tags
  • Skin Color Selection
  • Shimaidon
  • Gyaru Heroine
  • Twin Boobjob
  • Non-twin Heroine Sisters
Rating 6.5227 Users
Futamata Yarou to Papakatsu Shimai
Futamata Yarou to Papakatsu Shimai
32%
Tags
  • Shimaidon with Twins
  • Twin Sisters as Heroines
  • Otaku Protagonist
  • Sex Involving Prostitution
  • Otaku Heroine
Rating 6.5723 Users
shin-neko ~Saikai Shita Imouto to no Arata na Kankei~
shin-neko ~Saikai Shita Imouto to no Arata na Kankei~
32%
Tags
  • Straight Lolicon
  • Only Blood-related Heroines
  • Only Protagonist's Sisters as Heroine(s)
  • Only Younger Heroines
  • Only Loli Heroines
Rating 6.4730 Users
Namepu!
Namepu!
31%
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
Koi Suru Amairo Homestay -Ryuugakusei wa Wanko-kei Osananajimi
Koi Suru Amairo Homestay -Ryuugakusei wa Wanko-kei Osananajimi
31%
Tags
  • American Heroine
  • Backlog Jump
  • Unlockable Gallery
  • Only Virgin Heroines
  • Kinetic Novel
Rating 6.7831 Users
Densetsu no Yuusha to Saiyaku no Maou no Ren
Densetsu no Yuusha to Saiyaku no Maou no Ren'ai Jijou ~Yuusha wa Maou no Haha ni, Maou wa Yuusha no Mama ni Koi o Shita~
31%
Tags
  • Completion Status Indicator
  • Widow Heroine
  • Heroine with Children
  • Protagonist's Blood-related Mother as a Heroine
  • Only Non-Virgin Heroines
Rating 6.7122 Users
Koiyasumi ~Kanojo no Hada ni Tokeru Konayuki~
Koiyasumi ~Kanojo no Hada ni Tokeru Konayuki~
30%
Tags
  • The Holiday Season
  • Winter
  • Protagonist's Girlfriend as a Heroine
  • Modern Day Tokyo
  • Condoms
Rating 6.6327 Users
Sis△Camp
Sis△Camp
30%
Tags
  • Shimaidon
  • Brother/Sister Romance
  • Shimaidon with Twins
  • Twin Sisters as Heroines
  • Shimaidon with Twins Ending
Rating 6.4633 Users
Sei no Shoujo - Bishoujo Gakuen 3 -
Sei no Shoujo - Bishoujo Gakuen 3 -
29%
Tags
  • Pimp/Madam Protagonist
  • Genre Shift
  • Bathroom Sex
  • High School Student Heroine
  • Heroine with Big Breasts
Rating 7.2622 Users
Petrichor
Petrichor
29%
Tags
  • Heroine with Pre-story Virginity Loss to the Protagonist
  • Dramatic Love Triangle
  • Relationship Problems
  • Protagonist's Girlfriend as a Heroine
  • Early Sexual Content
Rating 6.7640 Users
Fudeoroshi Mama ~Afureru Hakudaku & Milk~
Fudeoroshi Mama ~Afureru Hakudaku & Milk~
29%
Tags
  • Obacon
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Only Older Heroines
  • Widow Heroine
Rating 5.7522 Users
Adebana Sacrament -Seinaru Miwaza to Akuryoutsuki no Shoujo-tachi-
Adebana Sacrament -Seinaru Miwaza to Akuryoutsuki no Shoujo-tachi-
29%
Tags
  • Possession
  • Student-Teacher Romance
  • Bleep Censor
  • Demon Heroine
  • Student Council President Heroine
Rating 6.5722 Users
Ore no Ue de Agaku Rokunin no Togime
Ore no Ue de Agaku Rokunin no Togime
29%
Tags
  • Low Amount of Rape
  • Nude Filter
  • Assassin Heroine
  • Yakuza
  • Anal Masturbation
Rating 7.1034 Users

Onii-chan Chou Suki 99 Jikan Ecchi Shiyo! 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 Protagonist's Sisters as Heroine(s)3.001.995.97
Brother/Sister Romance3.001.925.77
Unnamed Protagonist3.001.885.63
Protagonist's Younger Sister as a Heroine3.001.875.61
Shimaidon with Twins Ending2.002.605.19
Brocon Heroine3.001.614.82
Twin Sisters as Heroines2.501.824.56
Siscon Protagonist2.002.054.10
Armpit Sex2.002.004.00
Twin Handjob2.001.993.98
Read Text Marking2.001.843.67
Otaku Heroine2.001.813.63
Twin Boobjob2.001.683.36
Sex with Protagonist Only2.501.132.82
Tsundere Heroine2.001.402.80
Only Virgin Heroines2.501.082.70
Naked Sprites2.001.052.10
Heroine with Big Breasts2.000.841.68
Defloration2.000.761.52
Nukige2.000.651.30
Male Protagonist3.000.300.90
ADV2.000.140.29

Traits (73 total)

NameCharactersImportanceWeight
Multicolored Eyes Eyes22.672.94
Baby-doll Clothes22.442.68
School Swimsuit Clothes22.312.54
Nightgown Clothes22.282.51
Twin Handjob Engages in (Sexual)22.212.42
Brother Complex Personality22.062.26
Armpit Sex Subject of (Sexual)13.212.22
One Piece Swimsuit Clothes21.922.11
Masturbation in front of an Audience Engages in (Sexual)21.902.09
Student Role31.492.06
Twin Sister Role21.862.04
Incest Engages in (Sexual)31.472.03
Intercrural Sex Engages in (Sexual)21.842.03
Cooking Engages in31.421.97
Twin Boobjob Engages in (Sexual)21.771.94
Vaginal Masturbation Engages in (Sexual)21.681.85
Pink Eyes21.621.78
Sleepyhead Personality12.511.74
Clothing with Ribbons Clothes21.581.73
Armpit Sex Engages in (Sexual)12.481.72
Full Sister Role21.561.72
Ribbon Headband Clothes12.451.70
Sister Complex Personality12.381.65
Group Sex of One Male and Several Females Engages in (Sexual)31.171.63
French Kiss Engages in (Sexual)21.481.62
Pissing Engages in (Sexual)21.471.61
Twin Blowjob Engages in (Sexual)21.451.59
Younger Sister Role21.441.59
Tank Top Clothes21.411.55
Nature Lover Personality12.191.52
Female Ejaculation Engages in (Sexual)21.361.50
Bukkake Subject of (Sexual)21.351.48
Pink Hair21.331.46
No Name Role12.101.46
Ahegao Engages in (Sexual)21.321.45
Otaku Personality12.051.42
Sixty-nine Engages in (Sexual)21.261.38
Watashi Personality21.251.38
Full Brother Role11.951.35
Piledriver Subject of (Sexual)11.941.35
Straight Hair30.941.31
Anal Sex Subject of (Sexual)21.191.31
Tsundere Personality11.871.30
Butterfly Subject of (Sexual)21.171.29
Handjob Engages in (Sexual)21.161.27
Big Breasts Body21.131.24
Short Shorts Clothes11.751.21
Cheerful Personality11.741.20
Older Brother Role11.731.20
Reserved Personality11.711.19
Vaginal Fingering Subject of (Sexual)21.081.19
Sitting Sex Subject of (Sexual)21.061.17
Spoons Subject of (Sexual)11.671.15
Violet Eyes21.051.15
Reverse Cowgirl Subject of (Sexual)11.631.13
Ore Personality11.581.09
Older Sister Role11.561.08
Sidehair Hair20.981.07
Cowgirl Subject of (Sexual)20.951.05
Doggy Style Subject of (Sexual)20.921.02
Blouse Clothes11.461.01
Seventh Posture Subject of (Sexual)11.461.01
Virgin Sex Engages in (Sexual)20.850.93
Waist Length+ Hair20.810.89
Teen Body30.620.86
Standing Sex Subject of (Sexual)11.180.81
Slim Body30.580.80
Twin Tails Hair11.130.78
Boobjob Engages in (Sexual)11.070.74
Miniskirt Clothes11.060.74
Kind Personality11.030.71
Pale Body30.370.51
Short Hair10.610.42