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Summary

Big brother lives a harem life of babymaking sweet *luurrrrv* with four adoring imoutos! Welcome to the countryside, where a protagonist returns to the house he grew up in to find his little sisters have done some growing up of their own. Which one will become oniichan's bride? They're all competing for your affection and throw themselves at you, wombs fertile, in a soft girlie attack. Kick back and enjoy the dewey sweet slow life with your harem of, at home, around town and at the local festival. [From DLSite English]

Musuko ga Osewa ni Narimashite ~Miboujin Kanrinin-san to Kaa-san to~
Musuko ga Osewa ni Narimashite ~Miboujin Kanrinin-san to Kaa-san to~
NAN%
Tags
  • Mother/Son Incest
  • Only Adult Heroines
  • Masochist Heroine
  • Clothed Male Naked Female
  • Pregnancy Ending
Rating 6.5736 Users
Oshirikko Venus 2
Oshirikko Venus 2
NAN%
Tags
  • Non-penetrative Sex
  • Big Ass Heroine
  • Perverted Protagonist
  • Twin Footjob
  • Sex on a Roof
Rating 7.2831 Users
Yankee Kanojo to Kozukuri Gakuen Life ~Suki to ka Iuna! Buttobasu zo! Omae no Aka-chan Hoshikunacchimau Darou ga…~
Yankee Kanojo to Kozukuri Gakuen Life ~Suki to ka Iuna! Buttobasu zo! Omae no Aka-chan Hoshikunacchimau Darou ga…~
NAN%
Tags
  • Delinquent Heroine
  • Wedding
  • Modern Tsundere Heroine
  • Heroine with Swimsuits
  • Internal Exhibition of Sex
Rating 6.1824 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 6.8845 Users
Seikatsu Shidouin ~Kimo-o ga Funin ni Nayamu Pure na Wakazuma ni Tetori Ashitori Akume Lesson! Love Love Netori Tanezuke de Risou no Yome ni!~
Seikatsu Shidouin ~Kimo-o ga Funin ni Nayamu Pure na Wakazuma ni Tetori Ashitori Akume Lesson! Love Love Netori Tanezuke de Risou no Yome ni!~
NAN%
Tags
  • Consensual Erotic Humiliation
  • Ugly Protagonist
  • Hotel
  • Vaginal Gaping
  • Peace Sign Ahegao
Rating 6.1122 Users
Imouto Netori ~Mi mo Kokoro mo Onii-chan no Mono~
Imouto Netori ~Mi mo Kokoro mo Onii-chan no Mono~
NAN%
Tags
  • Unavoidable Heroine Rape by the Protagonist
  • Completely Unavoidable Heroine Rape
  • Sexual Slavery (Choukyou Variation)
  • Siscon Protagonist
  • Rape Involving Drugs
Rating 6.05161 Users
Aimai Ren
Aimai Ren'ai
NAN%
Tags
  • Non-twin Heroine Sisters
  • Twin Buttjob
  • Mentor Support Character
  • Orphan Heroine
  • Pubic Hair Option
Rating 6.9552 Users
Love Pote Gakuen ~Anata no Kodane de Haramitai~
Love Pote Gakuen ~Anata no Kodane de Haramitai~
NAN%
Tags
  • Birthrate Decline
  • Shimaidon
  • Oyakodon
  • Inbreeding
  • Protagonist's Ex as a Heroine
Rating 6.4434 Users
Shiro Koki Kuro Koki ~Kuro Tights ni Semerareru ga Sore Gurai de wa Shiro Knee Socks o Akiramenai Ore~
Shiro Koki Kuro Koki ~Kuro Tights ni Semerareru ga Sore Gurai de wa Shiro Knee Socks o Akiramenai Ore~
NAN%
Tags
  • Foreskin Play
  • Twin Footjob
  • Kneepit Sex
  • Pantyjob
  • Censored Text
Rating 6.4827 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 6.6023 Users
Kanojo wa Ecchi de Midara na Hentai
Kanojo wa Ecchi de Midara na Hentai
NAN%
Tags
  • Student Council Member Heroine
  • Student Council President Protagonist
  • Arranged Marriage
  • Protagonist's Fiancee as a Heroine
  • Popular Protagonist
Rating 7.0840 Users
Nise Bitch ~Riajuu Butte mo Pure de Ichizu na Osananajimi ni H na Kozukuri Lesson~
Nise Bitch ~Riajuu Butte mo Pure de Ichizu na Osananajimi ni H na Kozukuri Lesson~
NAN%
Tags
  • Cosplay
  • Footjob
  • Nympho Heroine
  • Spoons
  • Impregnation
Rating 6.3430 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 7.0836 Users
AI Love: Koisuru Otome wa Kikaijikake
AI Love: Koisuru Otome wa Kikaijikake
NAN%
Tags
  • Technician Protagonist
  • Robot Heroine
  • Scientist Protagonist
  • AI Heroine
  • Under the Same Roof
Rating 7.1729 Users
Boku no Daisuki na Oba-san
Boku no Daisuki na Oba-san
NAN%
Tags
  • May-December Romance
  • Incest Romance
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Protagonist with Phimosis
Rating 6.8456 Users
Ane Yome Concerto
Ane Yome Concerto
NAN%
Tags
  • Ear-Cleaning
  • Glasses Option
  • Ejaculation Forewarner
  • Mirror Sex
  • Protagonist's Wife as a Heroine
Rating 7.5453 Users
Naisho no Naisho!
Naisho no Naisho!
NAN%
Tags
  • Shimaidon with Twins Ending
  • Only Protagonist's Sisters as Heroine(s)
  • Only Younger Heroines
  • Half-Japanese Heroine
  • Skip to Choices
Rating 7.5174 Users
Binary Pot
Binary Pot
NAN%
Tags
  • Waitress Heroine
  • Fictional World
  • Ponytail Heroine
  • Twin Tail Heroine
  • Branching Plot
Rating 6.0824 Users
Tomo Haha Gachi Haramase!~Dekapai Bosei Mama o Wakai Sex Zuke de Ore no Mesu ni Shite Yatta!~
Tomo Haha Gachi Haramase!~Dekapai Bosei Mama o Wakai Sex Zuke de Ore no Mesu ni Shite Yatta!~
NAN%
Tags
  • Heroine with Crotchless Clothing
  • Clothed Male Naked Female
  • Only Non-Virgin Heroines
  • Love Hotel
  • Adult Breast Feeding
Rating 6.4738 Users
Jukujo Hokenshitsu ~Midara na Kyonyuu ni Sasowarete~
Jukujo Hokenshitsu ~Midara na Kyonyuu ni Sasowarete~
NAN%
Tags
  • School Nurse Heroine
  • Only Older Heroines
  • Heroine with Children
  • Stockings
  • Only Adult Heroines
Rating 6.2416 Users
Zettai Seifuku ☆ Gakuen Kessha Panyanyanda!!
Zettai Seifuku ☆ Gakuen Kessha Panyanyanda!!
NAN%
Tags
  • Single Legjob
  • Lazy Heroine
  • Consensual Sex Involving Slime Monsters
  • Principal Heroine
  • Protagonist's Rival as a Heroine
Rating 6.7438 Users
Lovecha ~Tsumasakidachi de, Hitomi o Tojite~
Lovecha ~Tsumasakidachi de, Hitomi o Tojite~
NAN%
Tags
  • Elementary School
  • Elementary School Student Heroine
  • Student-Teacher Romance
  • Armpit Licking
  • Hetare Protagonist
Rating 6.2627 Users
Saimin Z
Saimin Z
NAN%
Tags
  • Rimming Handjob
  • Erotic Mind Control
  • Mind Control
  • Pantyjob
  • School
Rating 7.0026 Users
Hitomi no Rakuin 4 ~Etsujoku no Soushin Kaizou~
Hitomi no Rakuin 4 ~Etsujoku no Soushin Kaizou~
NAN%
Tags
  • Twin Buttjob
  • Glory Hole Sex
  • Mind Control
  • Background Moans
  • Armpit Sex
Rating 6.5026 Users
Hitozuma Dorei Kissa 2
Hitozuma Dorei Kissa 2
24%
Tags
  • Rape with Blackmail
  • Blackmail
  • Waitress Heroine
  • Lactation During Sex
  • Group Sex of Multiple Females and Males
Rating 5.7322 Users
Itazura ~Boku Dake no Zettai Ryouiki~
Itazura ~Boku Dake no Zettai Ryouiki~
24%
Tags
  • Chikan Heroine
  • Hotel
  • Trains
  • Voiced Thoughts
  • Pregnancy Good Ending
Rating 6.1820 Users
AI Love: Koisuru Otome wa Kikaijikake
AI Love: Koisuru Otome wa Kikaijikake
23%
Tags
  • Technician Protagonist
  • Robot Heroine
  • Scientist Protagonist
  • AI Heroine
  • Under the Same Roof
Rating 7.1729 Users
Aneimo Neo ~Second Sisters~
Aneimo Neo ~Second Sisters~
23%
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 7.0836 Users
Nise Bitch ~Riajuu Butte mo Pure de Ichizu na Osananajimi ni H na Kozukuri Lesson~
Nise Bitch ~Riajuu Butte mo Pure de Ichizu na Osananajimi ni H na Kozukuri Lesson~
23%
Tags
  • Cosplay
  • Footjob
  • Nympho Heroine
  • Spoons
  • Impregnation
Rating 6.3430 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~
21%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Brother/Sister Romance
  • Consensual Phone Sex
  • Completely Avoidable Netorare
  • Blood-related Brother/Sister Incest
Rating 6.6023 Users
Kanojo wa Ecchi de Midara na Hentai
Kanojo wa Ecchi de Midara na Hentai
21%
Tags
  • Student Council Member Heroine
  • Student Council President Protagonist
  • Arranged Marriage
  • Protagonist's Fiancee as a Heroine
  • Popular Protagonist
Rating 7.0840 Users
Love Pote Gakuen ~Anata no Kodane de Haramitai~
Love Pote Gakuen ~Anata no Kodane de Haramitai~
21%
Tags
  • Birthrate Decline
  • Shimaidon
  • Oyakodon
  • Inbreeding
  • Protagonist's Ex as a Heroine
Rating 6.4434 Users
Shiro Koki Kuro Koki ~Kuro Tights ni Semerareru ga Sore Gurai de wa Shiro Knee Socks o Akiramenai Ore~
Shiro Koki Kuro Koki ~Kuro Tights ni Semerareru ga Sore Gurai de wa Shiro Knee Socks o Akiramenai Ore~
21%
Tags
  • Foreskin Play
  • Twin Footjob
  • Kneepit Sex
  • Pantyjob
  • Censored Text
Rating 6.4827 Users
Ane Yome Concerto
Ane Yome Concerto
20%
Tags
  • Ear-Cleaning
  • Glasses Option
  • Ejaculation Forewarner
  • Mirror Sex
  • Protagonist's Wife as a Heroine
Rating 7.5453 Users
Binary Pot
Binary Pot
20%
Tags
  • Waitress Heroine
  • Fictional World
  • Ponytail Heroine
  • Twin Tail Heroine
  • Branching Plot
Rating 6.0824 Users
Jukujo Hokenshitsu ~Midara na Kyonyuu ni Sasowarete~
Jukujo Hokenshitsu ~Midara na Kyonyuu ni Sasowarete~
20%
Tags
  • School Nurse Heroine
  • Only Older Heroines
  • Heroine with Children
  • Stockings
  • Only Adult Heroines
Rating 6.2416 Users
Lovecha ~Tsumasakidachi de, Hitomi o Tojite~
Lovecha ~Tsumasakidachi de, Hitomi o Tojite~
20%
Tags
  • Elementary School
  • Elementary School Student Heroine
  • Student-Teacher Romance
  • Armpit Licking
  • Hetare Protagonist
Rating 6.2627 Users
Hitomi no Rakuin 4 ~Etsujoku no Soushin Kaizou~
Hitomi no Rakuin 4 ~Etsujoku no Soushin Kaizou~
20%
Tags
  • Twin Buttjob
  • Glory Hole Sex
  • Mind Control
  • Background Moans
  • Armpit Sex
Rating 6.5026 Users
Yandere na Shimai ni Shirokujichuu Aishi Tsukusareru ~Ninshin Suru no wa Watashi! Anata no Idenshi o Shikyuu de Hagukumitai no!~
Yandere na Shimai ni Shirokujichuu Aishi Tsukusareru ~Ninshin Suru no wa Watashi! Anata no Idenshi o Shikyuu de Hagukumitai no!~
20%
Tags
  • Obsession
  • Twin Buttjob
  • Yandere Heroine
  • Brocon Heroine
  • Blood-related Sister/Sister Incest
Rating 6.4741 Users
Poyopoyo Oppai Summer
Poyopoyo Oppai Summer
19%
Tags
  • Breast Expansion
  • Heroine with Spats
  • Scientist Heroine
  • Heroine with Shorts
  • Heroine with Intake Hairstyle
Rating 6.7924 Users
Hitozuma Dorei Keikaku
Hitozuma Dorei Keikaku
19%
Tags
  • Urination Fetish
  • Dramatic Love Triangle
  • Revenge
  • Heroine with Garter Belt
  • Protagonist's Sister as a Support Character
Rating 6.9124 Users
Trouble Home! ~Giri no Haha to Imouto wa Koigataki~
Trouble Home! ~Giri no Haha to Imouto wa Koigataki~
19%
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 6.9335 Users
Love Commu
Love Commu
19%
Tags
  • May-December Romance
  • Ojousama Heroine
  • Protagonist's Sister as a Support Character
  • All-girls School
  • Teacher Protagonist
Rating 7.3740 Users
Gekkakou ~Itsuwari no Kizuna~
Gekkakou ~Itsuwari no Kizuna~
18%
Tags
  • Anal Fisting
  • Fisting
  • Pubic Hair Shaving
  • Masturbation with Object
  • Prostitution
Rating 6.2311 Users
Saimin Paranoia
Saimin Paranoia
18%
Tags
  • Chikan Protagonist
  • Molestation on Public Transport
  • Gyaru Heroine
  • Erotic Mind Control
  • Sex in a Vehicle
Rating 6.4425 Users
Imouto ga Boku o Neratteru
Imouto ga Boku o Neratteru
17%
Tags
  • Heroine Sisters
  • Reverse Netorare
  • Brother/Sister Romance
  • Triple Boobjob
  • Perverted Protagonist
Rating 6.1948 Users
After...
After...
17%
Tags
  • Utsuge
  • Protagonist's Full Sister as a Heroine
  • Protagonist's Younger Sister as a Heroine
  • School
  • Blood-related Brother/Sister Incest
Rating 6.8025 Users
Zettai Junshu ☆ Kozukuri Kyokashou Paradise!! ~Aa, Subarashiki Haramasekai~
Zettai Junshu ☆ Kozukuri Kyokashou Paradise!! ~Aa, Subarashiki Haramasekai~
17%
Tags
  • Sprite Filter
  • Birthrate Decline
  • Sex License
  • Bodyguard Heroine
  • Hotel
Rating 7.51101 Users

Imouto 4nin to Nakadashi Seikatsu! ~Jare Tsuki Amae ni Osewa♪ Imouto-tachi to Ichaicha ga Tomaranai! Onii-chan no Seishi wa Zetsumetsu Hisshi!?~ 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 (24 total)

NameScoreImportanceWeight
Non-blood-related Incest3.002.617.82
Protagonist's Younger Sister as a Heroine3.001.905.70
Non-blood-related Brother/Sister Incest3.001.755.26
Chuunibyou Heroine2.002.525.05
Heroine with Heterochromia2.002.204.41
Incest2.002.084.16
Harem Ending3.001.394.16
Only Protagonist's Sisters as Heroine(s)2.002.004.00
Half-Japanese Heroine2.001.933.85
Madness2.001.913.81
Brocon Heroine2.001.603.21
Internal Exhibition of Sex2.001.553.09
Pregnancy2.001.513.02
Yandere Heroine1.501.882.82
Tsundere Heroine2.001.402.80
Impregnation2.001.372.74
Pregnant Sex2.001.162.33
Sex with Protagonist Only2.001.122.24
Imouto-type Heroine1.251.722.16
Only Virgin Heroines2.001.072.14
Nukige3.000.641.93
Defloration2.000.751.49
Male Protagonist2.000.300.60
ADV2.000.140.29

Traits (72 total)

NameCharactersImportanceWeight
Non-blood-related Sister Role42.173.49
Brother Complex Personality42.063.31
Yukata Clothes41.852.97
Lactation Engages in41.592.56
Pregnant Sex Engages in (Sexual)41.532.46
Deep V-Neck Swimsuit Clothes13.462.40
Bikini Clothes41.462.35
Group Sex Engages in (Sexual)41.452.33
Younger Sister Role41.442.32
Pregnancy Subject of41.402.25
Happi Clothes13.162.19
T-shirt Clothes41.322.12
Chuunibyou Personality12.821.95
Outdoor Sex Engages in (Sexual)41.161.86
Wings Clothes12.631.82
Mini Hat Clothes12.591.79
Pink Eyes21.611.77
Puffy Personality12.511.74
Discreet Phone Sex Engages in (Sexual)12.441.69
Nipple Insertion Subject of (Sexual)12.441.69
Non-blood-related Brother Role12.381.65
Leotard Clothes12.371.64
Half-Japanese Role12.321.61
Twin Blowjob Engages in (Sexual)21.441.58
Tank Top Clothes21.431.57
Lolita Clothes12.251.56
Food Play Engages in (Sexual)12.221.54
Gothic Clothes12.181.51
Yandere Personality12.181.51
Non-blood-related Incest Engages in (Sexual)12.171.50
Sitting Sex Subject of (Sexual)31.051.46
Cloak Clothes12.031.41
Cyan Hair12.021.40
Virgin Sex Engages in (Sexual)40.841.36
Immature Personality11.941.34
Ribbon Hair Tie Clothes21.181.30
Tsundere Personality11.871.30
Naked Apron Clothes11.871.29
Discreet Sex Engages in (Sexual)11.871.29
Unusual Hair Ornaments Clothes11.861.29
Twin Tails Hair21.121.23
Older Brother Role11.721.20
Mole Body11.621.12
Teen Body50.611.10
Refined Personality11.551.08
Sidehair Hair20.981.07
Cowgirl Subject of (Sexual)20.951.05
Pissing Engages in (Sexual)11.461.01
V Bangs Hair11.420.98
Cooking Engages in11.410.98
Hairpin Clothes11.390.97
Nipple Sucking Subject of (Sexual)11.390.96
Ahoge Hair11.310.91
Black Hair20.810.89
Parted in Middle Hair11.250.87
Sixty-nine Engages in (Sexual)11.250.87
Trousers Clothes11.210.84
Long Hair20.750.83
Standing Sex Subject of (Sexual)11.180.82
Quickie Fix Subject of (Sexual)11.080.75
Miniskirt Clothes11.070.74
Boobjob Engages in (Sexual)11.060.74
Violet Eyes11.040.72
Thigh-high Stockings Clothes11.030.72
Green Eyes11.010.70
Short Hair20.610.67
Pale Body50.370.67
Blond Hair10.880.61
Waist Length+ Hair10.800.55
Blue Eyes10.800.55
Blowjob Engages in (Sexual)10.760.53
Brown Hair10.680.47