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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]

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
  • Footjob
  • Dormitory Manager Protagonist
  • P.E. Teacher Heroine
  • Cheerleader Heroine
  • Principal Heroine
Rating 6.5632 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 6.05170 Users
Poyopoyo Oppai Summer
Poyopoyo Oppai Summer
NAN%
Tags
  • Breast Expansion
  • Heroine with Spats
  • Scientist Heroine
  • Heroine with Shorts
  • Heroine with Intake Hairstyle
Rating 6.8224 Users
Bishoujo
Bishoujo
NAN%
Tags
  • Triple Footjob
  • Triple Blowjob
  • All-girls School
  • Nympho Heroine
  • School
Rating 7.2777 Users
Ane☆Hara-mix 2
Ane☆Hara-mix 2
NAN%
Tags
  • Shinigami Heroine
  • Succubus Heroine
  • Inbreeding
  • Non-blood-related Brother/Sister Incest
  • Impregnation
Rating 6.7424 Users
Sei Choukyou Datta Ai Suru Kanojo ~Hoka no Otoko kara Shikomareteita Inran Seiheki~
Sei Choukyou Datta Ai Suru Kanojo ~Hoka no Otoko kara Shikomareteita Inran Seiheki~
NAN%
Tags
  • Orphan Heroine
  • Uncle/Niece Incest
  • Protagonist's Girlfriend as a Heroine
  • Heroine with Small Breasts (Non-Loli)
  • Anal Object Insertion
Rating 6.3828 Users
Aimai Ren
Aimai Ren'ai
NAN%
Tags
  • Non-twin Heroine Sisters
  • Twin Buttjob
  • Mentor Support Character
  • Orphan Heroine
  • Okama Support Character
Rating 6.7955 Users
Inraku Relaxation ~Hosoi Yubisaki no Technique~
Inraku Relaxation ~Hosoi Yubisaki no Technique~
NAN%
Tags
  • Erotic Massage
  • Buttjob
  • Scenario Selection
  • Rimming Handjob
  • Host Club Heroine
Rating 5.8814 Users
Tsuma no Haha to no Haitoku Inkan ~Okaa-san, Nyoubou to Suru yori Koufun Suru yo~
Tsuma no Haha to no Haitoku Inkan ~Okaa-san, Nyoubou to Suru yori Koufun Suru yo~
NAN%
Tags
  • In-law Incest
  • Discreet Sex
  • Netori
  • Infidelity
  • Non-blood-related Mother/Son Incest
Rating 6.4041 Users
Kyouka Gasshuku 48 Jikan Taikyuu Hame! ~Bijjin Mane, Ace ni Komon ga Zenra Marathon, Ekiben Tokkun, Dairankou! Wakai Seiyoku no Ejiki ni!~
Kyouka Gasshuku 48 Jikan Taikyuu Hame! ~Bijjin Mane, Ace ni Komon ga Zenra Marathon, Ekiben Tokkun, Dairankou! Wakai Seiyoku no Ejiki ni!~
NAN%
Tags
  • Training Camp
  • Running (Sport)
  • Sex on a Beach
  • Ryokan
  • Unavoidable Harem Ending
Rating 5.9512 Users
Harem Mate
Harem Mate
NAN%
Tags
  • Bust Size Selection
  • Realtime 3D
  • Customization
  • Free Camera
  • Manager Protagonist
Rating 5.9527 Users
Shin NOZOKI-ma 2 ~Jogakuryou no Himitsu~
Shin NOZOKI-ma 2 ~Jogakuryou no Himitsu~
NAN%
Tags
  • Paraphilic Infantilism
  • School Nurse Heroine
  • Narrating Others' Thoughts
  • Heroine with Garter Belt
  • Masochist Heroine
Rating 6.3621 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 6.5028 Users
Son of a ☆ Bitch ~Saotome Nobara-chan, Maji Bitch!~
Son of a ☆ Bitch ~Saotome Nobara-chan, Maji Bitch!~
NAN%
Tags
  • Male on Trap
  • Student Council President Heroine
  • Legwear Footjob
  • Group Sex of Multiple Females and Males
  • Female Domination
Rating 6.1737 Users
Mothercon Tengoku ~Doukyuusei no Hahaoya-tachi o Kyokon de Boku Dake no Hara Mama ni!~
Mothercon Tengoku ~Doukyuusei no Hahaoya-tachi o Kyokon de Boku Dake no Hara Mama ni!~
NAN%
Tags
  • Heroine with Children
  • Protagonist with Phimosis
  • Protagonist with Glasses
  • Only Adult Heroines
  • Single Ending
Rating 6.1540 Users
Love Commu
Love Commu
NAN%
Tags
  • Ojousama Heroine
  • May-December Romance
  • Protagonist's Sister as a Support Character
  • All-girls School
  • Teacher Protagonist
Rating 7.2042 Users
Hitozuma Dorei Kissa 2
Hitozuma Dorei Kissa 2
NAN%
Tags
  • Rape with Blackmail
  • Blackmail
  • Waitress Heroine
  • Lactation During Sex
  • Group Sex of Multiple Females and Males
Rating 5.7922 Users
HUNTING BLUE
HUNTING BLUE
NAN%
Tags
  • Avoidable Netorare (obsolete)
  • Netorare Type C
  • Corruption of Characters
  • Sex on a Roof
  • Netorare Type A
Rating 6.5616 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 6.3331 Users
Miai Kekkon Shita Osanazuma ga Otoko no Ko Datta Ken
Miai Kekkon Shita Osanazuma ga Otoko no Ko Datta Ken
NAN%
Tags
  • Only Trap Heroines
  • Male Pregnancy
  • Hero with Beauty Mark
  • Arranged Marriage
  • Protagonist's Wife as a Heroine
Rating 5.8023 Users
Itazura ~Boku Dake no Zettai Ryouiki~
Itazura ~Boku Dake no Zettai Ryouiki~
NAN%
Tags
  • Chikan Heroine
  • Hotel
  • Trains
  • Voiced Thoughts
  • Pregnancy Good Ending
Rating 6.1720 Users
Uwaki Tsuma ~Kyonyuu Hitozuma Midare Manshon~
Uwaki Tsuma ~Kyonyuu Hitozuma Midare Manshon~
NAN%
Tags
  • Shimaidon
  • Non-twin Heroine Sisters
  • Homemaker Protagonist
  • Protagonist in Relationship
  • Married Heroine
Rating 6.4824 Users
Lovecha ~Tsumasakidachi de, Hitomi o Tojite~
Lovecha ~Tsumasakidachi de, Hitomi o Tojite~
NAN%
Tags
  • Elementary School
  • Elementary School Student Heroine
  • Student-Teacher Romance
  • Hetare Protagonist
  • Only Loli Heroines
Rating 6.2433 Users
Tsuma no JK Imouto to no Gakunai Inkou ~Yamerarenai, Haitoku e no Yuuwaku~
Tsuma no JK Imouto to no Gakunai Inkou ~Yamerarenai, Haitoku e no Yuuwaku~
27%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • In-law Incest
  • Reverse Netorare
  • Clothed Male Naked Female
  • Discreet Sex
Rating 5.8016 Users
Love Pote Gakuen ~Anata no Kodane de Haramitai~
Love Pote Gakuen ~Anata no Kodane de Haramitai~
26%
Tags
  • Birthrate Decline
  • Shimaidon
  • Oyakodon
  • Inbreeding
  • Protagonist's Ex as a Heroine
Rating 6.5037 Users
Hitomi no Rakuin 4 ~Etsujoku no Soushin Kaizou~
Hitomi no Rakuin 4 ~Etsujoku no Soushin Kaizou~
26%
Tags
  • Twin Buttjob
  • Glory Hole Sex
  • Mind Control
  • Background Moans
  • Armpit Sex
Rating 6.5028 Users
Shin NOZOKI-ma 2 ~Jogakuryou no Himitsu~
Shin NOZOKI-ma 2 ~Jogakuryou no Himitsu~
26%
Tags
  • Paraphilic Infantilism
  • School Nurse Heroine
  • Narrating Others' Thoughts
  • Heroine with Garter Belt
  • Masochist Heroine
Rating 6.3621 Users
Kyouka Gasshuku 48 Jikan Taikyuu Hame! ~Bijjin Mane, Ace ni Komon ga Zenra Marathon, Ekiben Tokkun, Dairankou! Wakai Seiyoku no Ejiki ni!~
Kyouka Gasshuku 48 Jikan Taikyuu Hame! ~Bijjin Mane, Ace ni Komon ga Zenra Marathon, Ekiben Tokkun, Dairankou! Wakai Seiyoku no Ejiki ni!~
24%
Tags
  • Training Camp
  • Running (Sport)
  • Sex on a Beach
  • Ryokan
  • Unavoidable Harem Ending
Rating 5.9512 Users
Harem Mate
Harem Mate
23%
Tags
  • Bust Size Selection
  • Realtime 3D
  • Customization
  • Free Camera
  • Manager Protagonist
Rating 5.9527 Users
Inraku Relaxation ~Hosoi Yubisaki no Technique~
Inraku Relaxation ~Hosoi Yubisaki no Technique~
23%
Tags
  • Erotic Massage
  • Buttjob
  • Scenario Selection
  • Rimming Handjob
  • Host Club Heroine
Rating 5.8814 Users
Tsuma no Haha to no Haitoku Inkan ~Okaa-san, Nyoubou to Suru yori Koufun Suru yo~
Tsuma no Haha to no Haitoku Inkan ~Okaa-san, Nyoubou to Suru yori Koufun Suru yo~
22%
Tags
  • In-law Incest
  • Discreet Sex
  • Netori
  • Infidelity
  • Non-blood-related Mother/Son Incest
Rating 6.4041 Users
Mothercon Tengoku ~Doukyuusei no Hahaoya-tachi o Kyokon de Boku Dake no Hara Mama ni!~
Mothercon Tengoku ~Doukyuusei no Hahaoya-tachi o Kyokon de Boku Dake no Hara Mama ni!~
22%
Tags
  • Heroine with Children
  • Protagonist with Phimosis
  • Protagonist with Glasses
  • Only Adult Heroines
  • Single Ending
Rating 6.1540 Users
Hitozuma Dorei Kissa 2
Hitozuma Dorei Kissa 2
22%
Tags
  • Rape with Blackmail
  • Blackmail
  • Waitress Heroine
  • Lactation During Sex
  • Group Sex of Multiple Females and Males
Rating 5.7922 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~
21%
Tags
  • Cosplay
  • Footjob
  • Nympho Heroine
  • Spoons
  • Impregnation
Rating 6.3331 Users
Itazura ~Boku Dake no Zettai Ryouiki~
Itazura ~Boku Dake no Zettai Ryouiki~
21%
Tags
  • Chikan Heroine
  • Hotel
  • Trains
  • Voiced Thoughts
  • Pregnancy Good Ending
Rating 6.1720 Users
Lovecha ~Tsumasakidachi de, Hitomi o Tojite~
Lovecha ~Tsumasakidachi de, Hitomi o Tojite~
20%
Tags
  • Elementary School
  • Elementary School Student Heroine
  • Student-Teacher Romance
  • Hetare Protagonist
  • Only Loli Heroines
Rating 6.2433 Users
Hitozuma Onna Kyoushi Seiyoku no Kyoushitsu 2
Hitozuma Onna Kyoushi Seiyoku no Kyoushitsu 2
20%
Tags
  • Heroine with Children
  • Heroine with Pubic Hair
  • Oyakodon Ending
  • Big Ass Heroine
  • Sexual Cosplay
Rating 6.1122 Users
Kanojo wa Ecchi de Midara na Hentai
Kanojo wa Ecchi de Midara na Hentai
20%
Tags
  • Student Council Member Heroine
  • Student Council President Protagonist
  • Arranged Marriage
  • Protagonist's Fiancee as a Heroine
  • Popular Protagonist
Rating 7.0640 Users
Torikago no Hime ~Zettai Ninshin no Shimai Etsujoku~
Torikago no Hime ~Zettai Ninshin no Shimai Etsujoku~
19%
Tags
  • Protagonist's Older Sister as a Heroine
  • Cousin Incest
  • Protagonist's Cousin as a Heroine
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
Rating 6.4629 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~
19%
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
Koitsura Erosugi!
Koitsura Erosugi!
19%
Tags
  • Heroine with Tan Lines
  • Protagonist's Younger Sister as a Heroine
  • Protagonist with Phimosis
  • Protagonist's Full Sister as a Heroine
  • Mesugaki Heroine
Rating 6.0524 Users
Hitozuma Dorei Keikaku
Hitozuma Dorei Keikaku
18%
Tags
  • Urination Fetish
  • Dramatic Love Triangle
  • Revenge
  • Heroine with Garter Belt
  • Protagonist's Sister as a Support Character
Rating 6.9125 Users
Mama Mama!?
Mama Mama!?
18%
Tags
  • Blood-related Mother/Son Incest
  • Grandfather Support Character
  • Protagonist's Blood-related Mother as a Heroine
  • Heroine With Kansai Accent
  • Heroine with Kimono
Rating 7.1325 Users
Hatsujou Inbo ~Uzuku Jukutai wa, Sono Yokujou o Osaekirenai~
Hatsujou Inbo ~Uzuku Jukutai wa, Sono Yokujou o Osaekirenai~
18%
Tags
  • Quickie
  • Daughter Support Character
  • Clothed Female Naked Male
  • Protagonist's Non-blood-related Mother as a Heroine
  • Clothed Male Naked Female
Rating 5.8630 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!~
18%
Tags
  • Obsession
  • Twin Buttjob
  • Yandere Heroine
  • Brocon Heroine
  • Blood-related Sister/Sister Incest
Rating 6.4242 Users
Gibo no Milk wa Mitsu no Aji ~Ippai Nonde, Amaete ne~
Gibo no Milk wa Mitsu no Aji ~Ippai Nonde, Amaete ne~
17%
Tags
  • Non-blood-related Mother/Son Incest
  • Adult Breast Sucking
  • Only Protagonist's Relatives as Heroine(s)
  • Netori
  • University Student Protagonist
Rating 6.4420 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 Incest3.002.667.97
Protagonist's Younger Sister as a Heroine3.001.875.60
Non-blood-related Brother/Sister Incest3.001.775.31
Chuunibyou Heroine2.002.555.10
Heroine with Heterochromia2.002.234.45
Incest2.002.134.26
Harem Ending3.001.414.22
Only Protagonist's Sisters as Heroine(s)2.002.004.00
Half-Japanese Heroine2.001.953.90
Madness2.001.903.80
Brocon Heroine2.001.613.23
Internal Exhibition of Sex2.001.563.13
Pregnancy2.001.533.07
Yandere Heroine1.501.892.83
Tsundere Heroine2.001.412.82
Impregnation2.001.382.76
Pregnant Sex2.001.182.37
Sex with Protagonist Only2.001.132.27
Imouto-type Heroine1.251.752.19
Only Virgin Heroines2.001.092.18
Nukige3.000.651.96
Defloration2.000.771.53
Male Protagonist2.000.300.61
ADV2.000.150.29

Traits (72 total)

NameCharactersImportanceWeight
Non-blood-related Sister Role42.173.50
Brother Complex Personality42.063.32
Yukata Clothes41.862.99
Lactation Engages in41.592.56
Group Sex Engages in (Sexual)41.552.50
Sex while Being Pregnant Engages in (Sexual)41.542.47
Deep V-Neck Swimsuit Clothes13.492.42
Bikini Clothes41.452.34
Younger Sister Role41.452.33
Pregnancy Subject of41.412.26
Happi Clothes13.152.18
T-shirt Clothes41.312.11
Chuunibyou Personality12.831.96
Outdoor Sex Engages in (Sexual)41.161.86
Wings Clothes12.651.83
Mini Hat Clothes12.621.81
Pink Eyes21.631.79
Puffy Personality12.521.75
Nipple Insertion Subject of (Sexual)12.451.70
Discreet Phone Sex Engages in (Sexual)12.451.69
Leotard Clothes12.391.65
Non-blood-related Brother Role12.381.65
Half-Japanese Role12.331.61
Twin Blowjob Engages in (Sexual)21.451.59
Lolita Clothes12.281.58
Food Play Engages in (Sexual)12.241.55
Tank Top Clothes21.391.53
Yandere Personality12.181.51
Gothic Clothes12.151.49
Non-blood-related Incest Engages in (Sexual)12.151.49
Sitting Sex Subject of (Sexual)31.061.47
Cloak Clothes12.041.42
Cyan Hair12.041.41
Virgin Sex Engages in (Sexual)40.851.37
Immature Personality11.931.34
Ribbon Hair Tie Clothes21.201.32
Unusual Hair Ornaments Clothes11.891.31
Naked Apron Clothes11.881.30
Tsundere Personality11.881.30
Discreet Sex Engages in (Sexual)11.851.28
Twin Tails Hair21.141.25
Older Brother Role11.731.20
Teen Body50.621.11
Sidehair Hair20.981.08
Mole Body11.551.08
Refined Personality11.541.07
Cowgirl Subject of (Sexual)20.951.05
Pissing Engages in (Sexual)11.471.02
Cooking Engages in11.420.98
V Bangs Hair11.410.98
Hairpin Clothes11.410.97
Nipple Sucking Subject of (Sexual)11.370.95
Ahoge Hair11.330.92
Black Hair20.800.88
Sixty-nine Engages in (Sexual)11.260.88
Parted in Middle Hair11.240.86
Long Hair20.750.82
Trousers Clothes11.180.82
Standing Sex Subject of (Sexual)11.170.81
Quickie Fix Subject of (Sexual)11.080.75
Boobjob Engages in (Sexual)11.070.74
Miniskirt Clothes11.060.74
Violet Eyes11.050.73
Thigh-high Stockings Clothes11.050.73
Green Eyes11.020.71
Short Hair20.610.67
Pale Body50.370.66
Blond Hair10.890.62
Waist Length+ Hair10.820.57
Blue Eyes10.810.56
Blowjob Engages in (Sexual)10.760.53
Brown Hair10.690.48