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Summary

Living alone in a huge mansion after the death of his parents, our protagonist gazes outside and sees a cute girl. He thinks to himself that life would be so much better if she was his little sister, a part of his family. He then hears a knock at his door and the girl introduces herself as his little sister. [From Hau~ Omochikaeri!]

Aka-san to Kyuuketsuki.
Aka-san to Kyuuketsuki.
NAN%
Tags
  • Child Support Character
  • Master and Servant
  • Defloration During Common Route
  • Emotionless Heroine
  • School Dormitory
Rating 6.5060 Users
Aisare Roommate
Aisare Roommate
NAN%
Tags
  • Chuunibyou Heroine
  • Homemaker Protagonist
  • Heroine with Flat Chest (Non-Loli)
  • Early Branching Plot
  • School Dormitory
Rating 6.8147 Users
Naderebo!
Naderebo!
NAN%
Tags
  • Yamato Nadeshiko Heroine
  • Protagonist's Sister as a Heroine
  • Foreigner Heroine
  • Student Council President Heroine
  • Late Sexual Content
Rating 6.9746 Users
Nyanto Suteki na Natsuiro Days
Nyanto Suteki na Natsuiro Days
NAN%
Tags
  • Resort
  • Brocon Support Character
  • Catgirl Heroine
  • Unavoidable Harem Ending
  • Protagonist's Sister as a Support Character
Rating 6.7927 Users
Onee x Shota
Onee x Shota
NAN%
Tags
  • Shimaidon with Twins Ending
  • Sister/Sister Incest
  • Triple Blowjob
  • Shota Protagonist
  • Twin Sisters as Heroines
Rating 6.3822 Users
Hinomaru
Hinomaru
NAN%
Tags
  • Student Council
  • Yakuza Heroine
  • Student Council Member Protagonist
  • Location Display
  • School Life Comedy
Rating 6.9141 Users
Koi to Mizugi to Taiyou to ~Sumire-jima Life Savers~
Koi to Mizugi to Taiyou to ~Sumire-jima Life Savers~
NAN%
Tags
  • Lifeguard Heroine
  • Swimming Club
  • Summer
  • Heroine with Swimsuits
  • Perverted Friend
Rating 6.9321 Users
Mecha-con!
Mecha-con!
NAN%
Tags
  • Birthrate Decline
  • Polygamy
  • Businesswoman Heroine
  • Genius Protagonist
  • Wealthy Protagonist
Rating 7.2570 Users
Tsun DraCsuicide ~Kyuuseishu wa Minimum Bishoujo Kyuuketsuki!?~
Tsun DraCsuicide ~Kyuuseishu wa Minimum Bishoujo Kyuuketsuki!?~
NAN%
Tags
  • Mayadere Heroine
  • Vampire Heroine
  • Protagonist as the Only Male
  • Arrogant Heroine
  • Sex Under the Necessity
Rating 6.9324 Users
Ayakashi Yuukaku ~Karakuri Jochuu no Mukashigatari~
Ayakashi Yuukaku ~Karakuri Jochuu no Mukashigatari~
NAN%
Tags
  • Living Doll Heroine
  • Heroine with Kimono
  • Kinetic Novel
  • Only a Single Heroine
  • Sexual Content
Rating 6.4720 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
  • Fake Choices
  • Protagonist's Younger Sister as a Heroine
Rating 6.5723 Users
Gratin
Gratin
NAN%
Tags
  • Protagonist's Half-sister as a Heroine
  • Low Fantasy
  • Only Protagonist's Sisters as Heroine(s)
  • Fairy Heroine
  • Episodic Story
Rating 7.1220 Users
Iegami Nyoubou ~Nanashi Nekomata wa KamiTuber~
Iegami Nyoubou ~Nanashi Nekomata wa KamiTuber~
NAN%
Tags
  • Lazy Heroine
  • Catgirl Heroine
  • Tailjob
  • Armpit Sex
  • Heroine with Kimono
Rating 6.8825 Users
Aki no Urara no ~Akaneiro Shoutengai~
Aki no Urara no ~Akaneiro Shoutengai~
NAN%
Tags
  • Autumn
  • Mangaka Heroine
  • Protagonist's Non-blood-related Sister as a Heroine
  • Blood-related Sister/Sister Incest
  • Non-blood-related Brother/Sister Incest
Rating 7.1530 Users
Harukazedori ni, Tomarigi o.
Harukazedori ni, Tomarigi o.
NAN%
Tags
  • Modern Day Setting in a Fictional World
  • Passage of Time
  • Cousin Romance
  • Alternate Starting Point
  • Cherry Blossom
Rating 7.0832 Users
Oyome-san Kouho ga Arawareta! Command wa?
Oyome-san Kouho ga Arawareta! Command wa?
NAN%
Tags
  • Oyakodon
  • Shimaidon Ending
  • Pantyjob
  • Yamato Nadeshiko Heroine
  • Sex on a Beach
Rating 6.8223 Users
Breed! Breed-Island.
Breed! Breed-Island.
NAN%
Tags
  • Childishly Violent Heroine
  • Island
  • Oneesan-type Heroine
  • Heroine with Bodystocking
  • Shimaidon with Twins Ending
Rating 6.6823 Users
Aa, Subarashiki Haramasekai
Aa, Subarashiki Haramasekai
NAN%
Tags
  • Birthrate Decline
  • Spontaneous Sex Scenes
  • Future Japan
  • Police Officer Heroine
  • Unlockable Harem Ending
Rating 6.0220 Users
Kaminoyu
Kaminoyu
NAN%
Tags
  • Monster Support Character
  • Onsen
  • Sex with Monster Girls
  • Immortal Heroine
  • Kitsune Heroine
Rating 6.9943 Users
3jigen Shoujo o Hogo Shimashita
3jigen Shoujo o Hogo Shimashita
NAN%
Tags
  • Family Life Comedy
  • Otaku Protagonist
  • Nympho Heroine
  • Modern Day
  • Blood-related Brother/Sister Incest
Rating 6.6533 Users
Hatsujou Season
Hatsujou Season
NAN%
Tags
  • Werewolf Heroine
  • Albino Heroine
  • Skip Scenes
  • Transfer Student Heroine
  • Half-Japanese Heroine
Rating 6.6026 Users
Love, Vampire Flowers
Love, Vampire Flowers
NAN%
Tags
  • Gardening Club
  • Vampire Protagonist
  • School Dormitory
  • Foreigner Heroine
  • Other Perspectives
Rating 7.3644 Users
PriministAr Mini Fandisc Enamori Senri & Koma Kayano Ver.
PriministAr Mini Fandisc Enamori Senri & Koma Kayano Ver.
NAN%
Tags
  • Donkan Protagonist
  • Romance
  • High School Student Heroine
  • Pregnancy
  • Sexual Content
Rating 7.3030 Users
Mama no Bonyuu
Mama no Bonyuu
NAN%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Artist Heroine
  • Artist Protagonist
  • Boobjob
  • Lactation During Sex
Rating 6.4929 Users
Sugar+Spice 2
Sugar+Spice 2
27%
Tags
  • School Life Comedy
  • Cousin Romance
  • School Sports Club Member Heroine
  • Musician Heroine
  • Cousin Incest
Rating 7.1729 Users
Koi wa Mofumofu! Love Me Teddy
Koi wa Mofumofu! Love Me Teddy
27%
Tags
  • Shapeshifting
  • Yandere Heroine
  • Heroine with Tights
  • Otaku Heroine
  • Modern Tsundere Heroine
Rating 6.9624 Users
Aki no Urara no ~Akaneiro Shoutengai~
Aki no Urara no ~Akaneiro Shoutengai~
27%
Tags
  • Autumn
  • Mangaka Heroine
  • Protagonist's Non-blood-related Sister as a Heroine
  • Blood-related Sister/Sister Incest
  • Non-blood-related Brother/Sister Incest
Rating 7.1530 Users
Iegami Nyoubou ~Nanashi Nekomata wa KamiTuber~
Iegami Nyoubou ~Nanashi Nekomata wa KamiTuber~
26%
Tags
  • Lazy Heroine
  • Catgirl Heroine
  • Tailjob
  • Armpit Sex
  • Heroine with Kimono
Rating 6.8825 Users
Gratin
Gratin
26%
Tags
  • Protagonist's Half-sister as a Heroine
  • Low Fantasy
  • Only Protagonist's Sisters as Heroine(s)
  • Fairy Heroine
  • Episodic Story
Rating 7.1220 Users
Ayakashi Yuukaku ~Karakuri Jochuu no Mukashigatari~
Ayakashi Yuukaku ~Karakuri Jochuu no Mukashigatari~
26%
Tags
  • Living Doll Heroine
  • Heroine with Kimono
  • Kinetic Novel
  • Only a Single Heroine
  • Sexual Content
Rating 6.4720 Users
Low na Imouto ni Succubus ga Toritsuita node Tanetsuke Yoyuu deshita.
Low na Imouto ni Succubus ga Toritsuita node Tanetsuke Yoyuu deshita.
24%
Tags
  • Possession
  • Succubus Heroine
  • Unlockable Sexual Content
  • Fake Choices
  • Protagonist's Younger Sister as a Heroine
Rating 6.5723 Users
Mecha-con!
Mecha-con!
24%
Tags
  • Birthrate Decline
  • Polygamy
  • Businesswoman Heroine
  • Genius Protagonist
  • Wealthy Protagonist
Rating 7.2570 Users
Tsun DraCsuicide ~Kyuuseishu wa Minimum Bishoujo Kyuuketsuki!?~
Tsun DraCsuicide ~Kyuuseishu wa Minimum Bishoujo Kyuuketsuki!?~
24%
Tags
  • Mayadere Heroine
  • Vampire Heroine
  • Protagonist as the Only Male
  • Arrogant Heroine
  • Sex Under the Necessity
Rating 6.9324 Users
Oyome-san Kouho ga Arawareta! Command wa?
Oyome-san Kouho ga Arawareta! Command wa?
24%
Tags
  • Oyakodon
  • Shimaidon Ending
  • Pantyjob
  • Yamato Nadeshiko Heroine
  • Sex on a Beach
Rating 6.8223 Users
Aa, Subarashiki Haramasekai
Aa, Subarashiki Haramasekai
24%
Tags
  • Birthrate Decline
  • Spontaneous Sex Scenes
  • Future Japan
  • Police Officer Heroine
  • Unlockable Harem Ending
Rating 6.0220 Users
3jigen Shoujo o Hogo Shimashita
3jigen Shoujo o Hogo Shimashita
24%
Tags
  • Family Life Comedy
  • Otaku Protagonist
  • Nympho Heroine
  • Modern Day
  • Blood-related Brother/Sister Incest
Rating 6.6533 Users
Love, Vampire Flowers
Love, Vampire Flowers
23%
Tags
  • Gardening Club
  • Vampire Protagonist
  • School Dormitory
  • Foreigner Heroine
  • Other Perspectives
Rating 7.3644 Users
Mama no Bonyuu
Mama no Bonyuu
23%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Artist Heroine
  • Artist Protagonist
  • Boobjob
  • Lactation During Sex
Rating 6.4929 Users
Ero Imo Cyclone! ~Uzumaku Eroero wa Imouto o Chuushin ni Kyuusoku Kakudaichuu!~
Ero Imo Cyclone! ~Uzumaku Eroero wa Imouto o Chuushin ni Kyuusoku Kakudaichuu!~
23%
Tags
  • Family Life Comedy
  • Unavoidable Harem Ending
  • Polyamory
  • Triple Footjob
  • Boke Heroine
Rating 6.8424 Users
Danchi Wife ~Hitozuma Nude Model no Kenshin~
Danchi Wife ~Hitozuma Nude Model no Kenshin~
23%
Tags
  • Painter Protagonist
  • Widow Heroine
  • Harem Ending
  • Threesome Ending
  • Adult Breast Feeding
Rating 7.0228 Users
Yamitsuki!
Yamitsuki!
23%
Tags
  • Jealousy
  • Yakuza Heroine
  • Feminization
  • Yandere Heroine
  • Heroine with Multiple Personalities
Rating 7.1043 Users
Gachi Otome Quintet
Gachi Otome Quintet
23%
Tags
  • Cupid Heroine
  • Fictional Island Near Futuristic Japan
  • European Heroine
  • Island
  • Yamato Nadeshiko Heroine
Rating 7.4627 Users
Adebana Sacrament -Seinaru Miwaza to Akuryoutsuki no Shoujo-tachi-
Adebana Sacrament -Seinaru Miwaza to Akuryoutsuki no Shoujo-tachi-
23%
Tags
  • Possession
  • Student-Teacher Romance
  • Bleep Censor
  • Demon Heroine
  • Student Council President Heroine
Rating 6.5722 Users
Himekoi * Sucreine!
Himekoi * Sucreine!
23%
Tags
  • Hime Heroine
  • Princess Heroine
  • Maid Support Character
  • Emotionless Heroine
  • Protagonist's Sister as a Support Character
Rating 6.8020 Users
Ama Koi Syrups ~Hajirau Koigokoro de Shitaku Naru Amagami-sama no Koi Matsuri~
Ama Koi Syrups ~Hajirau Koigokoro de Shitaku Naru Amagami-sama no Koi Matsuri~
22%
Tags
  • Family Life Comedy
  • Transfer Student Heroine
  • Protagonist's Blood-related Sister as a Heroine
  • Foreigner Heroine
  • Under the Same Roof
Rating 7.1765 Users
Sorairo
Sorairo
22%
Tags
  • Chosen Choices Marking
  • Beach
  • Cousin Incest
  • Summer
  • School
Rating 6.8124 Users
Onii-chan Teacher ~Himitsu no Jugyou o Kibou Shimasu!~
Onii-chan Teacher ~Himitsu no Jugyou o Kibou Shimasu!~
22%
Tags
  • Braless Heroine
  • Heroine with Flat Chest (Non-Loli)
  • Sexually Oblivious Heroine
  • Only Blood-related Heroines
  • Only Protagonist's Sisters as Heroine(s)
Rating 6.8850 Users
Little Sick Girls ~Kagami no Naka no Idol~
Little Sick Girls ~Kagami no Naka no Idol~
22%
Tags
  • Chuunibyou Protagonist
  • Nympho Heroine
  • Kinetic Novel
  • Only a Single Heroine
  • Sexual Content
Rating 6.9334 Users

Imouto Smile 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 (30 total)

NameScoreImportanceWeight
Mangaka Heroine2.002.805.60
Scenario Selection3.001.825.46
Homemaker Protagonist2.002.484.96
Imouto-type Heroine2.671.744.66
Siscon Protagonist2.002.054.11
Heroine with Intake Hairstyle2.002.014.02
Classic Tsundere Heroine2.331.724.00
Otaku Heroine2.001.813.63
Energetic Heroine2.001.813.62
Loli Heroine3.001.193.56
Early Branching Plot2.001.743.48
Only Virgin Heroines3.001.083.25
Deredere Heroine2.001.613.23
Brocon Heroine2.001.613.23
Straight Lolicon2.001.503.01
Blood-related Brother/Sister Incest2.001.492.97
Under the Same Roof2.331.272.96
Body Food1.002.432.43
Sex with Protagonist Only2.001.132.26
Blowjob2.001.112.23
High School Student Heroine2.000.851.70
Defloration2.000.761.52
Protagonist's Blood-related Sister as a Heroine0.751.941.46
Missionary Position1.500.941.41
Non-blood-related Brother/Sister Incest0.751.771.32
Boobjob1.001.321.32
Cunnilingus1.000.930.93
Sexual Content1.200.630.75
Male Protagonist2.330.300.71
ADV2.000.150.29

Traits (93 total)

NameCharactersImportanceWeight
Incest Engages in (Sexual)61.472.86
Younger Sister Role61.442.81
Desu no Personality13.662.54
Intake Hair31.672.32
Standing Sex Subject of (Sexual)61.182.29
Missionary Subject of (Sexual)61.122.17
Sitting Sex Subject of (Sexual)61.062.07
Seventh Posture Subject of (Sexual)31.462.03
Body Food Engages in (Sexual)12.821.95
Spiky Bangs Hair61.001.95
Hairpin Clothes31.401.94
Miniskirt Clothes51.061.91
Sidehair Hair60.981.90
Keigo Personality12.701.87
Orphan Role21.701.87
Mini Hat Clothes12.601.80
High School Student Role70.851.77
Clothing with Ribbons Clothes21.571.73
Straight Hair50.951.70
Thigh-high Stockings Clothes41.041.68
Virgin Sex Engages in (Sexual)60.851.65
Sister Complex Personality12.381.65
Sailor School Uniform Clothes21.481.62
Smart Personality21.461.60
Pantyhose Clothes21.421.56
Cooking Engages in21.421.56
Body Ribbon Clothes12.221.54
Cowgirl Subject of (Sexual)40.951.54
Tareme Eyes31.101.53
Bookworm Personality12.161.50
Vaginal Fingering Subject of (Sexual)31.081.50
Odango Hair12.151.49
School Uniform Clothes60.751.46
Brother Complex Personality12.061.43
Optimist Personality12.031.41
Ringlet Hair12.001.38
Yamato Nadeshiko Role12.001.38
Cleaning Engages in11.991.38
Ribbon Tie Clothes21.251.37
Blowjob Engages in (Sexual)50.761.36
Piledriver Subject of (Sexual)11.941.35
Part-time Worker Role11.901.32
Low Self-esteem Personality11.901.32
Waist Length+ Hair40.811.30
Tsundere Personality11.871.30
String Ribbon Tie Clothes11.821.26
Detached Sleeves Clothes11.821.26
Waitstaff Role11.821.26
Twin Tails Hair21.131.24
Teen Body60.621.21
Older Brother Role11.731.20
Sports Shoes Clothes11.721.20
Proactive Personality11.721.19
Footjob Engages in (Sexual)11.721.19
Naive Personality11.691.17
Carefree Personality11.681.16
Boots Clothes11.681.16
Violet Eyes21.041.15
Wealthy Role11.651.15
Ribbon Hair Accessory Clothes11.651.15
Mini-dress Clothes11.641.13
Kind Personality21.031.13
Garter Belt Stockings Clothes11.621.12
Slim Body60.581.12
Shy Personality11.621.12
Blue Eyes30.801.11
Magician Role11.571.09
Refined Personality11.541.07
Energetic Personality11.521.05
Doggy Style Subject of (Sexual)20.931.02
Headband Clothes11.451.00
Masturbation Engages in (Sexual)11.390.96
Tsurime Eyes11.380.96
Knee-high Socks Clothes11.380.96
Female Ejaculation Engages in (Sexual)11.370.95
Wavy Hair11.360.94
White Hair11.330.92
Pink Hair11.330.92
Ahoge Hair11.320.91
Sixty-nine Engages in (Sexual)11.260.87
Watashi Personality11.260.87
Parted in Middle Hair11.250.87
Long Hair20.750.83
Ribbon Hair Tie Clothes11.190.83
Cunnilingus Subject of (Sexual)11.160.81
Ponytail Hair11.100.76
Brown Hair20.680.75
Boobjob Engages in (Sexual)11.070.74
Pale Body60.370.72
Green Eyes11.020.70
Blond Hair10.890.62
Black Hair10.810.56
10.000.00