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Summary

Akira's father, an archeologist, has remarried, giving him a new stepmother and three stepsisters, Yuki, Nana and Miu. While on his honeymoon, Akira's father makes an archeological find and decides to stay on site in order to supervise and leaving Akira at home alone with his new family members. After being discovered in bed with Yukie, his stepmother, Akira finds a box containing a scroll and three bottles. Using the knowledge his father taught to him, he reads the Sumarian language on the scroll and finds himself in a contract with the goddess Inana, who tells him to collect the love juices of his sisters in the bottles before the next full moon or else a terrible horror will befall him.

Magical Witch Concerto
Magical Witch Concerto
NAN%
Tags
  • Protagonist with Phimosis
  • Kemonomimi Protagonist
  • Shotacon
  • Non-human Protagonist
  • Magic School
Rating 6.9729 Users
Gadget
Gadget
NAN%
Tags
  • Student Club
  • Family
  • Foreigner Heroine
  • Passage of Time
  • Mother Support Character
Rating 7.6120 Users
Yuusha to Maou to, Majo no Café
Yuusha to Maou to, Majo no Café
NAN%
Tags
  • Witch Heroine
  • Perverted Hero
  • Cafe
  • Fairy Heroine
  • Ejaculation Forewarner
Rating 7.3628 Users
Primary ~Magical★Trouble★Scramble~
Primary ~Magical★Trouble★Scramble~
NAN%
Tags
  • Magic School
  • Blind Heroine
  • Mahou Shoujo Heroine
  • Twin Sisters as Heroines
  • Fighting Protagonist
Rating 6.9140 Users
Suki Datta Osananajimi ga Classmate no Omocha ni Natte Ita Ken
Suki Datta Osananajimi ga Classmate no Omocha ni Natte Ita Ken
NAN%
Tags
  • Hetare Protagonist
  • Promiscuity
  • Netorare Type A
  • Heroine Having Sex with Others
  • Netorare
Rating 6.0830 Users
Yandere na Kanojo ni Shinu hodo Tsukusareru ~Jusei sasete? Anata no Seishi Hitorijime ni shite Dare ni mo Watasanai~
Yandere na Kanojo ni Shinu hodo Tsukusareru ~Jusei sasete? Anata no Seishi Hitorijime ni shite Dare ni mo Watasanai~
NAN%
Tags
  • Reverse Rape
  • Rimming Handjob
  • Yandere Heroine
  • Linear Plot
  • Single Ending
Rating 6.5238 Users
Hajimete no Orusuban
Hajimete no Orusuban
NAN%
Tags
  • Twin Sisters as Heroines
  • Only Loli Heroines
  • Heroine with Ahoge
  • Summer
  • Straight Lolicon
Rating 6.5230 Users
Wiz Anniversary
Wiz Anniversary
NAN%
Tags
  • High Fantasy
  • Blood-related Incest
  • Incest Romance
  • Incest
  • Half-human Heroine
Rating 7.2238 Users
Medorei ~Okasareta Houkago~
Medorei ~Okasareta Houkago~
NAN%
Tags
  • Cheerleader Heroine
  • Sexual Slavery (Choukyou Variation)
  • Brother/Sister Incest
  • Censored Text
  • Trap Support Character
Rating 6.1821 Users
Kimihagu
Kimihagu
NAN%
Tags
  • Protagonist's Senpai as a Heroine
  • Protagonist's Kouhai as a Heroine
  • Tomboy Heroine
  • Tsundere Heroine
  • Sex with Protagonist Only
Rating 6.9124 Users
Sister Magic!
Sister Magic!
NAN%
Tags
  • Heroine with Demon Blood
  • Half-demon Protagonist
  • Completely Avoidable Rape
  • Protagonist with Demon Blood
  • Heroine with Visible Panties
Rating 6.6526 Users
Sweet Robin Girl
Sweet Robin Girl
NAN%
Tags
  • Waitress Heroine
  • Painter Heroine
  • Cook Heroine
  • Cafe
  • Straight Lolicon
Rating 6.8720 Users
Shikotama Slave ~Aruji de Shimai na Tenshi to Akuma~
Shikotama Slave ~Aruji de Shimai na Tenshi to Akuma~
NAN%
Tags
  • Transfer Student Heroine
  • Kemonomimi Support Character
  • Twin Footjob
  • Cock and Ball Torture
  • Kitsune Heroine
Rating 6.8722 Users
Minikiss ~Tsuyokiss Fan Disc~
Minikiss ~Tsuyokiss Fan Disc~
NAN%
Tags
  • Action
  • Drama Club
  • Tsundere Heroine
  • Modern Tsundere Heroine
  • Modern Day
Rating 7.3833 Users
Nee, Chanto Shiyou yo!
Nee, Chanto Shiyou yo!
NAN%
Tags
  • Lawyer Heroine
  • Heroine with Superpowered Side
  • Ear-Cleaning
  • Non-blood-related Brother/Sister Incest
  • Superheroine
Rating 6.8338 Users
Ayakashi H
Ayakashi H
NAN%
Tags
  • Summoning
  • Dragon
  • Heroine with Chinese Dress
  • Fictional Beings
  • Clumsy Heroine
Rating 7.1322 Users
Hatsujou Season
Hatsujou Season
NAN%
Tags
  • Werewolf Heroine
  • Albino Heroine
  • Skip Scenes
  • Transfer Student Heroine
  • Half-Japanese Heroine
Rating 6.6326 Users
Miko-san to Issho! ~Ikenai Gohoushi Funsenki~
Miko-san to Issho! ~Ikenai Gohoushi Funsenki~
NAN%
Tags
  • Protagonist's Full Sister as a Heroine
  • Triple Blowjob
  • Miko Heroine
  • No Common Sense Heroine
  • Naizuri
Rating 6.4422 Users
Shoukoujo
Shoukoujo
NAN%
Tags
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
  • Wake-up Sex
  • Urination Fetish
  • Perverted Protagonist
Rating 7.3685 Users
I DOLL U
I DOLL U
NAN%
Tags
  • Idol Hero
  • Reverse Trap Protagonist
  • Japanese Idols
  • Hotblooded Hero
  • Masochist Hero
Rating 5.8620 Users
Ayame no Machi to Ohime-sama
Ayame no Machi to Ohime-sama
NAN%
Tags
  • Homecoming
  • Fictional Modern Day Japanese Town
  • Otaku Heroine
  • Enforced Playing Order
  • Ojousama Heroine
Rating 6.4038 Users
Prestar! ~Precious☆Star
Prestar! ~Precious☆Star's Festival~
NAN%
Tags
  • Musical Themes
  • School Festival
  • Mangaka Heroine
  • School Life Comedy
  • High School
Rating 6.4122 Users
Prism Ark ~Prism Heart Episode 2~
Prism Ark ~Prism Heart Episode 2~
NAN%
Tags
  • Past
  • Healer Heroine
  • RPG
  • Fighting Heroine
  • Fighting Hero
Rating 7.4950 Users
Ainsworth no Mamono-tachi
Ainsworth no Mamono-tachi
NAN%
Tags
  • Christian Church
  • Zombie Heroine
  • Western-style Manor
  • Monster Girl Heroine
  • Family Life Comedy
Rating 6.8632 Users
Magical Witch Academy ~Boku to Sensei no Magical Lesson~
Magical Witch Academy ~Boku to Sensei no Magical Lesson~
21%
Tags
  • Onna Bugeisha Heroine
  • Magic School
  • Witch Heroine
  • Comedic Love Triangle
  • Popular Protagonist
Rating 7.1534 Users
Daisuki na Sensei ni H na Onedari Shichau Omase na Boku no / Watashi no Puni Puni
Daisuki na Sensei ni H na Onedari Shichau Omase na Boku no / Watashi no Puni Puni
20%
Tags
  • Pedophile Protagonist
  • Trap Heroine
  • Domicile
  • Quiz Game
  • Sickly Heroine
Rating 6.2222 Users
Minikiss ~Tsuyokiss Fan Disc~
Minikiss ~Tsuyokiss Fan Disc~
18%
Tags
  • Action
  • Drama Club
  • Tsundere Heroine
  • Modern Tsundere Heroine
  • Modern Day
Rating 7.3833 Users
Shikotama Slave ~Aruji de Shimai na Tenshi to Akuma~
Shikotama Slave ~Aruji de Shimai na Tenshi to Akuma~
18%
Tags
  • Transfer Student Heroine
  • Kemonomimi Support Character
  • Twin Footjob
  • Cock and Ball Torture
  • Kitsune Heroine
Rating 6.8722 Users
Sweet Robin Girl
Sweet Robin Girl
17%
Tags
  • Waitress Heroine
  • Painter Heroine
  • Cook Heroine
  • Cafe
  • Straight Lolicon
Rating 6.8720 Users
Kimihagu
Kimihagu
17%
Tags
  • Protagonist's Senpai as a Heroine
  • Protagonist's Kouhai as a Heroine
  • Tomboy Heroine
  • Tsundere Heroine
  • Sex with Protagonist Only
Rating 6.9124 Users
Sister Magic!
Sister Magic!
17%
Tags
  • Heroine with Demon Blood
  • Half-demon Protagonist
  • Completely Avoidable Rape
  • Protagonist with Demon Blood
  • Heroine with Visible Panties
Rating 6.6526 Users
Wiz Anniversary
Wiz Anniversary
17%
Tags
  • High Fantasy
  • Blood-related Incest
  • Incest Romance
  • Incest
  • Half-human Heroine
Rating 7.2238 Users
Medorei ~Okasareta Houkago~
Medorei ~Okasareta Houkago~
16%
Tags
  • Cheerleader Heroine
  • Sexual Slavery (Choukyou Variation)
  • Brother/Sister Incest
  • Censored Text
  • Trap Support Character
Rating 6.1821 Users
Ayakashi H
Ayakashi H
16%
Tags
  • Summoning
  • Dragon
  • Heroine with Chinese Dress
  • Fictional Beings
  • Clumsy Heroine
Rating 7.1322 Users
Miko-san to Issho! ~Ikenai Gohoushi Funsenki~
Miko-san to Issho! ~Ikenai Gohoushi Funsenki~
15%
Tags
  • Protagonist's Full Sister as a Heroine
  • Triple Blowjob
  • Miko Heroine
  • No Common Sense Heroine
  • Naizuri
Rating 6.4422 Users
I DOLL U
I DOLL U
15%
Tags
  • Idol Hero
  • Reverse Trap Protagonist
  • Japanese Idols
  • Hotblooded Hero
  • Masochist Hero
Rating 5.8620 Users
Prestar! ~Precious☆Star
Prestar! ~Precious☆Star's Festival~
14%
Tags
  • Musical Themes
  • School Festival
  • Mangaka Heroine
  • School Life Comedy
  • High School
Rating 6.4122 Users
Ainsworth no Mamono-tachi
Ainsworth no Mamono-tachi
13%
Tags
  • Christian Church
  • Zombie Heroine
  • Western-style Manor
  • Monster Girl Heroine
  • Family Life Comedy
Rating 6.8632 Users
Sensui-bu!
Sensui-bu!
13%
Tags
  • Turn-Based Strategy
  • Tournament
  • Swimming Club
  • Long Common Route
  • Sports
Rating 6.6829 Users
Zettai Seifuku ☆ Gakuen Kessha Panyanyanda!!
Zettai Seifuku ☆ Gakuen Kessha Panyanyanda!!
13%
Tags
  • Single Legjob
  • Lazy Heroine
  • Consensual Sex Involving Slime Monsters
  • Principal Heroine
  • Protagonist's Rival as a Heroine
Rating 6.6737 Users
Uhou Renka "Sensei. Watashi, Mou Otona Da yo............"
Uhou Renka "Sensei. Watashi, Mou Otona Da yo............"
13%
Tags
  • Long Sexual Scenes
  • Excessive Semen
  • Sexual Slavery (Consensual)
  • Heroine with Spats
  • Ejaculation Forewarner
Rating 7.3444 Users
Happiness!
Happiness!
13%
Tags
  • Mahou Shoujo Heroine
  • School Life Comedy
  • Late Sexual Content
  • Slapstick
  • Trap Support Character
Rating 6.9859 Users
Icha Pri! ~Ojou-sama to Icha Love Ecchi na Mainichi~
Icha Pri! ~Ojou-sama to Icha Love Ecchi na Mainichi~
13%
Tags
  • Censored Text
  • Twin Footjob
  • Yamato Nadeshiko Heroine
  • Ejaculation Forewarner
  • Unlockable Harem Ending
Rating 6.6761 Users
Hitozuma Cosplay Kissa 2
Hitozuma Cosplay Kissa 2
13%
Tags
  • Cosplay
  • Cafe
  • Twin Footjob
  • Oyakodon Ending
  • Heroine with Children
Rating 7.5438 Users
Santaful☆Summer
Santaful☆Summer
13%
Tags
  • Elementary School Student Heroine
  • Boke Heroine
  • Only Younger Heroines
  • Heroine with a Sundress
  • Sex Involving Children
Rating 7.1455 Users
Ren
Ren'ai Saimin ~Tsun na Kanojo ga dereru Saimin~
13%
Tags
  • Love Rivalry
  • Discipline Committee Member Heroine
  • Modern Tsundere Heroine
  • School Life Comedy
  • Twin Footjob
Rating 6.8834 Users
Niina-chan Lovely Life
Niina-chan Lovely Life
13%
Tags
  • Indecisive Protagonist
  • Unavoidable Harem Ending
  • Oppai Loli Heroine
  • Defloration During Common Route
  • Mischievous Heroine
Rating 6.6022 Users
Shuumatsu Shoujo Gensou Alicematic
Shuumatsu Shoujo Gensou Alicematic
13%
Tags
  • Cthulhu Mythos
  • Hard Science Fiction
  • Roses
  • Duel
  • Infodumping
Rating 7.5642 Users

Imouto Jiru has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
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Tags (60 total)

NameScoreImportanceWeight
Non-blood-related Brother/Sister Incest2.831.764.99
Imouto-type Heroine2.711.754.73
Genderbent Sex2.002.284.55
Straight Lolicon3.001.504.50
Blood-related Mother/Daughter Incest2.002.204.40
Blood-related Sister/Sister Incest2.002.134.26
Heroine with Sport Bloomers2.002.094.17
Pantyjob2.002.064.11
Curse2.001.973.94
Bleep Censor2.001.913.83
Shy Heroine2.251.703.81
Sex with Sleepers2.001.903.81
Read Text Marking2.001.843.67
Protagonist's Non-blood-related Mother as a Heroine1.672.173.62
Energetic Heroine2.001.813.61
Excessive Semen2.001.653.30
Loli Heroine2.711.193.22
Ejaculation Choice2.001.523.05
Date Display2.001.492.99
Harem Ending2.001.402.81
Vaginal Masturbation2.001.362.72
Map Movement2.001.312.61
Under the Same Roof2.001.272.54
Vaginal Fingering2.001.252.50
Male on Futanari1.002.502.50
Sex in a School Infirmary1.002.462.46
Heroine with Sexual Experience2.001.212.42
Unlockable Sexual Content1.002.382.38
Twin Tail Heroine2.001.172.35
Sex with Protagonist Only2.001.132.26
Comedy2.001.102.21
Sixty-nine2.001.072.14
Naked Sprites2.001.052.10
Gauge Display1.002.092.09
Penile Masturbation1.001.941.94
Penis Growth1.001.931.93
Censored Text1.001.931.93
Hero(ine) Selection1.001.931.93
Lesbian Sex1.671.151.92
Cunnilingus2.000.931.86
High Sexual Content1.751.051.84
Group Sex of One Male and Several Females2.000.921.83
Sexual Cosplay1.001.821.82
Nukige2.670.651.74
Strap-on Dildos1.001.711.71
Marriage Ending1.001.691.69
Multiple Endings2.500.671.67
Naked Heroine with Apron1.001.661.66
French Kiss1.001.661.66
Defloration2.000.761.52
Pissing1.001.441.44
Single Footjob1.001.371.37
Twin Blowjob1.001.291.29
Single Boobjob1.001.151.15
Sex in Public Places1.001.091.09
Outdoor Sex1.000.990.99
Single Blowjob1.000.950.95
Heroine with Big Breasts1.000.840.84
Male Protagonist2.500.300.75
ADV2.500.140.36

Traits (76 total)

NameCharactersImportanceWeight
Step Sister Role32.433.37
Group Sex of Several Females Engages in (Sexual)32.293.17
Non-blood-related Incest Engages in (Sexual)32.152.98
Incest Engages in (Sexual)41.472.36
Group Sex of One Male and Several Females Engages in (Sexual)61.172.28
Full Sister Role31.562.17
Lesbian Sex Engages in (Sexual)31.381.91
Step Brother Role12.731.90
Small Breasts Body21.661.82
Pantyjob Engages in (Sexual)12.601.80
Ribbon Headband Clothes12.451.70
Amber Eyes41.031.66
Non-blood-related Mother Role12.371.64
Braided Crown Hair12.361.63
Cunnilingus Subject of (Sexual)31.161.61
Seventh Posture Subject of (Sexual)21.461.61
Twin Blowjob Engages in (Sexual)21.451.59
Masturbation Engages in (Sexual)21.391.53
Footjob Subject of (Sexual)12.181.51
Kid Body21.371.51
Tominagi Subject of (Sexual)21.361.49
Doggy Style Subject of (Sexual)40.921.49
Off-The-Shoulder Shirt Clothes12.141.49
Pink Hair21.331.46
Sixty-nine Engages in (Sexual)21.261.38
Dress Clothes21.251.38
Taciturn Personality11.941.35
Ribbon Hair Tie Clothes21.191.31
Straight Hair30.941.31
Naked Apron Clothes11.881.30
Hat Clothes11.831.27
Bob Cut Hair11.821.26
Hidden Eyes11.801.25
Blowjob Engages in (Sexual)40.761.22
Pajamas Clothes11.751.21
Footjob Engages in (Sexual)11.721.19
Virgin Sex Engages in (Sexual)30.851.18
Boobjob Engages in (Sexual)21.071.17
Miniskirt Clothes21.061.17
Intake Hair11.681.16
Ribbon Hair Accessory Clothes11.661.15
Mini-dress Clothes11.631.13
Maid's Headdress Clothes11.621.13
Shy Personality11.621.12
Blowjob Subject of (Sexual)11.521.05
Cowgirl Subject of (Sexual)20.951.05
Maid's Dress Clothes11.511.05
Orange Hair11.511.05
Slim Body50.581.03
Pissing Engages in (Sexual)11.471.02
Mother Role11.461.01
Not a Virgin Role11.410.98
Tank Top Clothes11.410.98
Bathroom Sex Engages in (Sexual)11.390.96
Red Hair11.320.92
Waist Length+ Hair20.810.89
Parted in Middle Hair11.250.87
Friend Role11.200.83
Red Eyes11.200.83
Blue Hair11.190.83
Standing Sex Subject of (Sexual)11.180.81
Big Breasts Body11.130.78
Twin Tails Hair11.130.78
Ponytail Hair11.100.76
Vaginal Fingering Subject of (Sexual)11.080.75
Sitting Sex Subject of (Sexual)11.060.74
Thigh-high Stockings Clothes11.040.72
Kind Personality11.030.71
Teen Body20.620.68
Sidehair Hair10.980.68
Short Hair20.610.67
Pale Body50.370.66
Shoulder-length Hair10.920.64
Young-adult Body10.760.53
Long Hair10.750.52
Brown Hair10.680.47