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Summary

"Onii-chan, there's something I need to tell you......" My little sister has been a super diligent and studious girl for as long as I remember. I on the other hand, am just your run of the mill nerd that likes erotic games. Our relationship is so-so I guess. We're also lucky to have a good family environment. A happy house with a happy family. Except for one little thing. A secret that my little sis can't tell mom & dad. "This game, I voiced one of the characters..." Little sis says as she hands me a game package with an R18 seal on it. Voiced? My little sister did?! That's right, she was keeping secret a certain job. Turns out the recently popular newcomer voice actress to the H game industry, Setsuna Hanazawa... Was actually my little sister Nanami! [Edited from DLsite English]

Mahou Shoujo Fairy Flower ~Seigi no Kokoro o Kyokon de Kujike! Ero Hidoi Koto Shi Houdai! Haramase Onaho na Saikyou Heroine-tachi no Zettai Chuusei Harem♪~
Mahou Shoujo Fairy Flower ~Seigi no Kokoro o Kyokon de Kujike! Ero Hidoi Koto Shi Houdai! Haramase Onaho na Saikyou Heroine-tachi no Zettai Chuusei Harem♪~
NAN%
Tags
  • Unavoidable Heroine Rape by the Protagonist
  • Corruption of Characters
  • Genital Piercing
  • Heroine with Crotchless Clothing
  • Unavoidable Harem Ending
Rating 6.3924 Users
G-Senjou no Maou - Dai Bangaihen "Sharin no Kuni no Maou"
G-Senjou no Maou - Dai Bangaihen "Sharin no Kuni no Maou"
NAN%
Tags
  • Sexual Content
  • Male Protagonist
  • ADV
Rating 6.0723 Users
Mushitsukai
Mushitsukai
NAN%
Tags
  • Sex with Insects
  • Scat Filter
  • Combat with Exotic Weapons
  • Consensual Sex Involving Slime Monsters
  • Symbiote / Parasite
Rating 6.7535 Users
Ore-tachi ni Tsubasa wa Nai ~Prelude~
Ore-tachi ni Tsubasa wa Nai ~Prelude~
NAN%
Tags
  • Winter
  • Multiple Protagonists
  • Fictional Modern Day Japanese Town
  • Cafe
  • Scenario Selection
Rating 7.43149 Users
S Kano ~Chotto S na Kanojo wa Suki Desu ka?~
S Kano ~Chotto S na Kanojo wa Suki Desu ka?~
NAN%
Tags
  • Female Domination
  • Protagonist's Girlfriend as a Heroine
  • Adult Breast Feeding
  • Only Adult Heroines
  • Single Ending
Rating 6.6922 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~
NAN%
Tags
  • Netori
  • Heroine with Leotard
  • Discreet Phone Sex
  • Penile Masturbation
  • Highly Animated Sprites
Rating 6.5829 Users
Putrika 1st.cut
Putrika 1st.cut
NAN%
Tags
  • Demon Hero
  • Non-human Hero
  • Utsuge
  • Life and Death Drama
  • Medieval Fantasy
Rating 7.3540 Users
Extravaganza ~Mushigurui Hen~
Extravaganza ~Mushigurui Hen~
NAN%
Tags
  • Insects
  • Hero with Children
  • Madness
  • Coprophagia
  • Completely Avoidable Heroine Rape
Rating 7.8340 Users
Petrichor
Petrichor
NAN%
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 6.7639 Users
Aerial Life
Aerial Life
NAN%
Tags
  • Gaming
  • Confinement in a Simulated Reality
  • Virtual Reality
  • Gamer Heroine
  • Protagonist's Kouhai as a Heroine
Rating 6.3023 Users
Pure Marriage ~Akai Ito Monogatari - Harem Hen~
Pure Marriage ~Akai Ito Monogatari - Harem Hen~
NAN%
Tags
  • Polygamy
  • Wedding
  • Protagonist's Sister as a Heroine
  • Modern Tsundere Heroine
  • Harem Ending
Rating 6.6527 Users
Denshi Otome ga Arawareta! Command!?
Denshi Otome ga Arawareta! Command!?
NAN%
Tags
  • Only Good Endings
  • Single Ending
  • Only Virgin Heroines
  • Intercrural Sex
  • Stuck-in-Wall Sex
Rating 6.9042 Users
Oshikake Kanojo wa, Ore no Sewa o Shitai
Oshikake Kanojo wa, Ore no Sewa o Shitai
NAN%
Tags
  • Consensual Phone Sex
  • Protagonist as the Only Male
  • Only Younger Heroines
  • Reverse Missionary
  • Only Virgin Heroines
Rating 7.4126 Users
Suisenka
Suisenka
NAN%
Tags
  • Metafiction
  • 70's
  • Built-in Flowchart
  • No Saves
  • No Title Screen
Rating 7.2323 Users
Moto Shachiku no Ore ga Bishoujo JK ni Hirowarete Amaama Iyasare Ero Dousei Seikatsu
Moto Shachiku no Ore ga Bishoujo JK ni Hirowarete Amaama Iyasare Ero Dousei Seikatsu
NAN%
Tags
  • Salaryman Protagonist
  • Under the Same Roof
  • Lip Sync
  • Adult Breast Feeding
  • Only a Single Heroine
Rating 6.4521 Users
Cleopatra ga Yattekita!? ~Gendai ni Kourin Shita Kodai Joou to Nure Suke Seiseikatsu~
Cleopatra ga Yattekita!? ~Gendai ni Kourin Shita Kodai Joou to Nure Suke Seiseikatsu~
NAN%
Tags
  • Heroine Based on Real Person
  • Dark Skinned Heroine
  • Single Footjob
  • Only Virgin Heroines
  • Group Sex of One Female and Several Males
Rating 6.6323 Users
Saki Portable
Saki Portable
NAN%
Tags
  • Mahjong as Story Element
  • Tournament
  • Mahjong as Gameplay Element
  • Competition
  • Character Profiles
Rating 6.6821 Users
Injuu no Ori Joshikousei Haikoujou Kankin Rape
Injuu no Ori Joshikousei Haikoujou Kankin Rape
NAN%
Tags
  • Drill Dildo
  • Unavoidable Protagonist Rape
  • Long Sexual Scenes
  • Sexual Slavery (Choukyou Variation)
  • Rape with Blackmail
Rating 6.5923 Users
Kakeochi
Kakeochi
NAN%
Tags
  • Heroine with a Sundress
  • Pure Love Story
  • Reunion
  • Protagonist's Childhood Friend as a Heroine
  • Single Handjob
Rating 6.0020 Users
Iede Musume Tanetsuke Kan
Iede Musume Tanetsuke Kan'yuu ~Kiyowa na Ano Ko o Nikubenki Kaihatsu~
NAN%
Tags
  • Runaway Heroine
  • Rape by Deception
  • Kidnapping
  • Rapist Protagonist
  • No "Keep Voice on Click" Option
Rating 6.2123 Users
Saimin Kazoku ~Yadokari~
Saimin Kazoku ~Yadokari~
NAN%
Tags
  • Mind Control
  • Full Chastity Belt
  • Netori
  • Netorare
  • Married Heroine
Rating 6.2026 Users
Kyonyuu Hitozuma Saimin Tsuugaku ~Watashi wa Hitozuma Dakara, Gakuen de H Suru no wa Atarimae~
Kyonyuu Hitozuma Saimin Tsuugaku ~Watashi wa Hitozuma Dakara, Gakuen de H Suru no wa Atarimae~
NAN%
Tags
  • Heroine with Sport Bloomers
  • Boobs on Glass
  • Suspension Bondage
  • Erotic Mind Control
  • Teacher Protagonist
Rating 5.9226 Users
Aikotoba
Aikotoba
NAN%
Tags
  • Social Networking Service
  • Forbidden Love
  • Brother/Sister Romance
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
Rating 7.17132 Users
Shinsei Kourin Arcanarouge ~Hakudaku to Shokushu ni Kegasareshi Mahou Shoujo-tachi~
Shinsei Kourin Arcanarouge ~Hakudaku to Shokushu ni Kegasareshi Mahou Shoujo-tachi~
NAN%
Tags
  • Rape by Possession
  • Mahou Shoujo Heroine
  • Defloration During Common Route
  • Only Loli Heroines
  • Teacher Protagonist
Rating 6.9820 Users
Oni Ama -Watashi ni Amaete, Onii-chan-
Oni Ama -Watashi ni Amaete, Onii-chan-
24%
Tags
  • Only Younger Heroines
  • Only a Single Heroine
  • Sexual Content
  • ADV
Rating 6.8535 Users
Kirakira Stars -idol project Reika-
Kirakira Stars -idol project Reika-
23%
Tags
  • Detached Sexual Content
  • Cliffhanger Ending
  • No Quick Save/Load
  • Meaningless Choices
  • Idol Heroine
Rating 5.9238 Users
Suisenka
Suisenka
21%
Tags
  • Metafiction
  • 70's
  • Built-in Flowchart
  • No Saves
  • No Title Screen
Rating 7.2323 Users
Oshikake Kanojo wa, Ore no Sewa o Shitai
Oshikake Kanojo wa, Ore no Sewa o Shitai
21%
Tags
  • Consensual Phone Sex
  • Protagonist as the Only Male
  • Only Younger Heroines
  • Reverse Missionary
  • Only Virgin Heroines
Rating 7.4126 Users
Denshi Otome ga Arawareta! Command!?
Denshi Otome ga Arawareta! Command!?
20%
Tags
  • Only Good Endings
  • Single Ending
  • Only Virgin Heroines
  • Intercrural Sex
  • Stuck-in-Wall Sex
Rating 6.9042 Users
Aerial Life
Aerial Life
19%
Tags
  • Gaming
  • Confinement in a Simulated Reality
  • Virtual Reality
  • Gamer Heroine
  • Protagonist's Kouhai as a Heroine
Rating 6.3023 Users
Pure Marriage ~Akai Ito Monogatari - Harem Hen~
Pure Marriage ~Akai Ito Monogatari - Harem Hen~
19%
Tags
  • Polygamy
  • Wedding
  • Protagonist's Sister as a Heroine
  • Modern Tsundere Heroine
  • Harem Ending
Rating 6.6527 Users
Extravaganza ~Mushigurui Hen~
Extravaganza ~Mushigurui Hen~
19%
Tags
  • Insects
  • Hero with Children
  • Madness
  • Coprophagia
  • Completely Avoidable Heroine Rape
Rating 7.8340 Users
Petrichor
Petrichor
18%
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 6.7639 Users
Cleopatra ga Yattekita!? ~Gendai ni Kourin Shita Kodai Joou to Nure Suke Seiseikatsu~
Cleopatra ga Yattekita!? ~Gendai ni Kourin Shita Kodai Joou to Nure Suke Seiseikatsu~
18%
Tags
  • Heroine Based on Real Person
  • Dark Skinned Heroine
  • Single Footjob
  • Only Virgin Heroines
  • Group Sex of One Female and Several Males
Rating 6.6323 Users
Injuu no Ori Joshikousei Haikoujou Kankin Rape
Injuu no Ori Joshikousei Haikoujou Kankin Rape
17%
Tags
  • Drill Dildo
  • Unavoidable Protagonist Rape
  • Long Sexual Scenes
  • Sexual Slavery (Choukyou Variation)
  • Rape with Blackmail
Rating 6.5923 Users
Iede Musume Tanetsuke Kan
Iede Musume Tanetsuke Kan'yuu ~Kiyowa na Ano Ko o Nikubenki Kaihatsu~
17%
Tags
  • Runaway Heroine
  • Rape by Deception
  • Kidnapping
  • Rapist Protagonist
  • No "Keep Voice on Click" Option
Rating 6.2123 Users
Kyonyuu Hitozuma Saimin Tsuugaku ~Watashi wa Hitozuma Dakara, Gakuen de H Suru no wa Atarimae~
Kyonyuu Hitozuma Saimin Tsuugaku ~Watashi wa Hitozuma Dakara, Gakuen de H Suru no wa Atarimae~
17%
Tags
  • Heroine with Sport Bloomers
  • Boobs on Glass
  • Suspension Bondage
  • Erotic Mind Control
  • Teacher Protagonist
Rating 5.9226 Users
Shinsei Kourin Arcanarouge ~Hakudaku to Shokushu ni Kegasareshi Mahou Shoujo-tachi~
Shinsei Kourin Arcanarouge ~Hakudaku to Shokushu ni Kegasareshi Mahou Shoujo-tachi~
16%
Tags
  • Rape by Possession
  • Mahou Shoujo Heroine
  • Defloration During Common Route
  • Only Loli Heroines
  • Teacher Protagonist
Rating 6.9820 Users
Fossette ~Cafe au Le Ciel Bleu~
Fossette ~Cafe au Le Ciel Bleu~
16%
Tags
  • Crossover
  • Anthology
  • Cook Heroine
  • Colored Texts
  • Track Display
Rating 7.3162 Users
Love Love Sisters ~Hanayome & Shimai-tachi to no Doki Doki Harem Seikatsu~
Love Love Sisters ~Hanayome & Shimai-tachi to no Doki Doki Harem Seikatsu~
15%
Tags
  • Reverse Netorase
  • Lazy Heroine
  • Inventor Heroine
  • Wedding
  • European Heroine
Rating 6.9040 Users
Zutto Sukishite Takusan Sukishite
Zutto Sukishite Takusan Sukishite
15%
Tags
  • Ordered Choices
  • Varying Ending Songs
  • Androphobic Heroine
  • Gamer Protagonist
  • Part-time Job
Rating 7.2364 Users
Kirakira Stars -idol project Nagisa-
Kirakira Stars -idol project Nagisa-
15%
Tags
  • Detached Sexual Content
  • Cliffhanger Ending
  • No Quick Save/Load
  • Meaningless Choices
  • Idol Heroine
Rating 5.8751 Users
S.I.S.T.A.R.S:KISS OF TRINITY
S.I.S.T.A.R.S:KISS OF TRINITY
15%
Tags
  • Twin Sisters as Heroines
  • Sister/Sister Incest
  • Non-penetrative Sex
  • Modern Day Tokyo
  • Incest Romance
Rating 6.0820 Users
Akatoki 2! -Tsumugu Mahou to Koboreru Hikari-
Akatoki 2! -Tsumugu Mahou to Koboreru Hikari-
15%
Tags
  • Strip Game
  • Turn-Based Strategy
  • Clothing Damage
  • Naizuri
  • Combat Capable Friends
Rating 7.1025 Users
Omamagoto ~Hahaoya Shoujo to Chiyahoya Shippori~
Omamagoto ~Hahaoya Shoujo to Chiyahoya Shippori~
15%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Widow Heroine
  • Only Protagonist's Relatives as Heroine(s)
  • Straight Lolicon
  • Only Loli Heroines
Rating 6.0320 Users
Siscon -Saiminjutsushi Onii-chan to Namaiki na Imouto-
Siscon -Saiminjutsushi Onii-chan to Namaiki na Imouto-
15%
Tags
  • Brother/Sister Incest
  • Chuunibyou Protagonist
  • Erotic Mind Control
  • Only Blood-related Heroines
  • Siscon Protagonist
Rating 6.2422 Users
Kanojo ga Myuu Datta Baai ~Oshiego Vampire no Ama Toro Reizoku Choukyou~
Kanojo ga Myuu Datta Baai ~Oshiego Vampire no Ama Toro Reizoku Choukyou~
15%
Tags
  • Protagonist as the Only Male
  • Erotic Mind Control
  • Full Chastity Belt
  • Shoejob
  • Kneepit Sex
Rating 6.6822 Users
Onii-chan Chou Suki 99 Jikan Ecchi Shiyo!
Onii-chan Chou Suki 99 Jikan Ecchi Shiyo!
15%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Brother/Sister Romance
  • Unnamed Protagonist
  • Protagonist's Younger Sister as a Heroine
  • Shimaidon with Twins Ending
Rating 7.2140 Users

Imouto ga Eroge Seiyuu Dattan Daga 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 (25 total)

NameScoreImportanceWeight
Seiyuu Heroine2.502.796.98
Family Life Comedy2.002.675.33
Forbidden Love2.002.234.46
Only Loli Heroines2.501.774.43
Only Blood-related Heroines2.002.104.21
Only Protagonist's Sisters as Heroine(s)2.001.993.98
Pretending Heroine2.001.983.95
Only Younger Heroines2.001.943.89
Long Sexual Scenes2.001.893.78
Straight Lolicon2.501.503.76
Blood-related Brother/Sister Incest2.501.493.72
No Character Sprites2.001.643.27
Brother/Sister Romance1.501.932.89
Anal Sex2.001.142.27
Kinetic Novel2.001.072.15
Only a Single Heroine1.751.021.79
Blowjob1.501.111.67
Only Virgin Heroines1.501.081.63
Defloration2.000.761.52
Erotic Spanking1.001.441.44
Anal Penetration1.001.321.32
Nukige2.000.651.30
Protagonist's Blood-related Sister as a Heroine0.671.941.30
Male Protagonist2.000.300.61
ADV2.000.150.29

Traits (28 total)

NameCharactersImportanceWeight
Erotic Voice Actor Role13.772.62
Christmas Cap Clothes12.912.02
Santa Suit Clothes12.831.96
Sexual Cosplay Engages in (Sexual)12.241.55
Short Body12.071.43
One Piece Swimsuit Clothes11.921.33
Small Breasts Body11.671.15
Younger Sister Role11.441.00
Blunt Bangs Hair11.400.97
Bathroom Sex Engages in (Sexual)11.390.96
Kid Body11.370.95
Dress Clothes11.250.87
Anal Sex Subject of (Sexual)11.190.82
Handjob Engages in (Sexual)11.160.80
Missionary Subject of (Sexual)11.120.77
Tareme Eyes11.100.76
Quickie Fix Subject of (Sexual)11.080.75
Vaginal Fingering Subject of (Sexual)11.080.75
Thigh-high Stockings Clothes11.040.72
Amber Eyes11.030.71
Cowgirl Subject of (Sexual)10.950.66
Doggy Style Subject of (Sexual)10.930.64
Shoulder-length Hair10.920.64
Virgin Sex Engages in (Sexual)10.850.59
Blowjob Engages in (Sexual)10.760.53
Brown Hair10.680.47
Slim Body10.580.40
Pale Body10.370.26