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Summary

Secret club gatherings involve the use of aphrodisiac lotion for group play and orgies! What will happen to the protagonist, who gets caught up in this underground world to protect his precious sister...? [Translated from the official website]

Chijoku Yuugi ~Ojou-sama no Oshikko~
Chijoku Yuugi ~Ojou-sama no Oshikko~
NAN%
Tags
  • Janitor Protagonist
  • Masturbation with Object
  • Pissing
  • Nursing Handjob
  • Pissing on Others
Rating 6.8834 Users
Kangoku Gakuen ~Gakuen Kounin, Chijoku no Kagai Jugyou~
Kangoku Gakuen ~Gakuen Kounin, Chijoku no Kagai Jugyou~
NAN%
Tags
  • Rape by Shota
  • Sexual Slavery
  • Anal Plug Tail
  • Protagonist with Voice Acting
  • Only Bad Endings
Rating 7.0835 Users
Shinsou Kenki Arch Saver ~Mazoku Kaihou~
Shinsou Kenki Arch Saver ~Mazoku Kaihou~
NAN%
Tags
  • Avoidable Rape
  • Unavoidable Heroine Rape
  • Read Text Marking
  • Monster Rape
  • Inflation
Rating 6.8522 Users
Hirusagari no Danchizuma ~Otto ni wa Ienai Himitsu no Houmon Hanbai~
Hirusagari no Danchizuma ~Otto ni wa Ienai Himitsu no Houmon Hanbai~
NAN%
Tags
  • Netori
  • Highly Animated Sprites
  • Villainous Protagonist
  • Hidden Vibrator
  • Condoms
Rating 6.5234 Users
Osananajimi wa Bed Yakuza!
Osananajimi wa Bed Yakuza!
NAN%
Tags
  • Childhood Promise
  • Pantyjob
  • Trap Heroine
  • Pegging
  • Twin Footjob
Rating 6.3737 Users
Triple x Sadistic -Do S na Ore to Reijou-tachi no 14-kakan-
Triple x Sadistic -Do S na Ore to Reijou-tachi no 14-kakan-
NAN%
Tags
  • Albino Protagonist
  • Sadist Heroine
  • Long Sexual Scenes
  • Reverse Rape
  • Pegging
Rating 6.0121 Users
Soukou Senki Aigis
Soukou Senki Aigis
NAN%
Tags
  • Superheroine
  • All the Way Through
  • Futanari on Female
  • Insemination by Non-Humanoids
  • Monster Birth
Rating 6.3621 Users
Injoku Senkyosen ~Hakudaku ni Somaru Kaichou Sen~
Injoku Senkyosen ~Hakudaku ni Somaru Kaichou Sen~
NAN%
Tags
  • Single Hole Double Penetration (obsolete)
  • Villainous Protagonist
  • Blowbang
  • Student Council President Heroine
  • Clothed Male Naked Female
Rating 6.6033 Users
Reika no Yakata ~Saimin Yuugi e no Shoutaijou~
Reika no Yakata ~Saimin Yuugi e no Shoutaijou~
NAN%
Tags
  • Stranded
  • Brothel
  • Mind Control
  • Unavoidable Netorare
  • Prostitute Heroine
Rating 6.3855 Users
Mazo x Love
Mazo x Love
NAN%
Tags
  • Comic Convention
  • Comedy Rape
  • Mangaka Protagonist
  • Police Officer Heroine
  • Heroine with Inverted Nipples
Rating 7.5423 Users
Hakudaku Shimai ~Namaiki na Ano Ko no Kao ni Bukkakero!~
Hakudaku Shimai ~Namaiki na Ano Ko no Kao ni Bukkakero!~
NAN%
Tags
  • Non-twin Heroine Sisters
  • Public Use (Choukyou or Non-Consensual)
  • Unavoidable Heroine Rape
  • School Nurse Heroine
  • Background Moans
Rating 6.1521 Users
Reijou Sadistic Gekokujou Conspiracy
Reijou Sadistic Gekokujou Conspiracy
NAN%
Tags
  • Shoejob
  • Sadist Heroine
  • Nurse Heroine
  • Imouto-type Heroine
  • Heroine with Small Breasts (Non-Loli)
Rating 6.1022 Users
Ojou-sama wa Gakuen no Seieki Benjo ~Netorase・Bukkake・Rankou Seikatsu Nisshi~
Ojou-sama wa Gakuen no Seieki Benjo ~Netorase・Bukkake・Rankou Seikatsu Nisshi~
NAN%
Tags
  • Prostitute Heroine
  • Sex Involving Prostitution
  • Netorase
  • Defloration by Others
  • Rapist Protagonist
Rating 6.9335 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
Ryou Seibai! ~Gakuen Bishoujo Seisai Hiroku~
Ryou Seibai! ~Gakuen Bishoujo Seisai Hiroku~
NAN%
Tags
  • Animals
  • School Nurse Heroine
  • Handcuffed Sex
  • Pissing on Others
  • Clamps (BDSM)
Rating 6.7828 Users
Sacred Lineage
Sacred Lineage
NAN%
Tags
  • Secret Identity
  • Sexual Corruption
  • Princess Heroine
  • Sex With Monsters
  • Transformation Sequence(s)
Rating 6.9422 Users
Ore-sama no RagnaRock
Ore-sama no RagnaRock
NAN%
Tags
  • Idol Protagonist
  • Arrogant Protagonist
  • Norse Mythology
  • Musical Environment
  • Maou Protagonist
Rating 6.5333 Users
Princess Ultima ~Chijo to Noroi no Yubiwa~
Princess Ultima ~Chijo to Noroi no Yubiwa~
NAN%
Tags
  • Princess Protagonist
  • Lesbian Rape
  • Non-consensual Erotic Humiliation
  • Butler Hero
  • Perverted Protagonist
Rating 5.7831 Users
Shinkaku Senki Age Slave ~Inmon ni Ochiru Elf Shimai~
Shinkaku Senki Age Slave ~Inmon ni Ochiru Elf Shimai~
NAN%
Tags
  • Falling to Evil (sexual)
  • Living Clothes Sex
  • Elf Heroine
  • Vomiting Fetish
  • Mother/Daughter Incest
Rating 6.7439 Users
Mashou no Nie 3 ~Hakudaku no Umi ni Shizumu Injoku no Reiki~
Mashou no Nie 3 ~Hakudaku no Umi ni Shizumu Injoku no Reiki~
NAN%
Tags
  • Pirate Heroine
  • Heroine with Eyepatch
  • Merchant Heroine
  • Possession
  • Pigs
Rating 7.3571 Users
Hirusagari no Danchizuma 3 ~Otto ni wa Ienai Himitsu no Houmon Hanbai~
Hirusagari no Danchizuma 3 ~Otto ni wa Ienai Himitsu no Houmon Hanbai~
NAN%
Tags
  • Netori
  • Highly Animated Sprites
  • Sexual Devices
  • Naked Heroine with Apron
  • Condoms
Rating 6.5931 Users
Osaka Awaking
Osaka Awaking
NAN%
Tags
  • Heroine Sisters
  • Sexual Slavery (Choukyou Variation)
  • Shimaidon
  • Corruption of Characters
  • Twin Handjob
Rating 7.3426 Users
Yakata ~Kannou Kitan~
Yakata ~Kannou Kitan~
NAN%
Tags
  • Sexual Slavery (Consensual)
  • Mother/Daughter Incest
  • Heroine with Latex
  • Timid Heroine
  • Ojousama Heroine
Rating 7.40125 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
  • Body Writing
Rating 5.9226 Users
Tadakano ~Tadashii Kanojo no Tsukurikata~
Tadakano ~Tadashii Kanojo no Tsukurikata~
42%
Tags
  • Completely Avoidable Netorare
  • Swinging
  • Few Choices
  • Half-Japanese Heroine
  • Early Sexual Content
Rating 6.6622 Users
Iede Kissa ~Anata no Booth de Kasegasete~
Iede Kissa ~Anata no Booth de Kasegasete~
33%
Tags
  • Prostitute Protagonist
  • Runaway Heroine
  • Prostitution
  • Sex Involving Prostitution
  • Cafe
Rating 6.7122 Users
Itazura ~Boku Dake no Zettai Ryouiki~
Itazura ~Boku Dake no Zettai Ryouiki~
30%
Tags
  • Chikan Heroine
  • Hotel
  • Trains
  • Voiced Thoughts
  • Pregnancy Good Ending
Rating 6.1720 Users
Ojou-sama wa Gakuen no Seieki Benjo ~Netorase・Bukkake・Rankou Seikatsu Nisshi~
Ojou-sama wa Gakuen no Seieki Benjo ~Netorase・Bukkake・Rankou Seikatsu Nisshi~
28%
Tags
  • Prostitute Heroine
  • Sex Involving Prostitution
  • Netorase
  • Defloration by Others
  • Rapist Protagonist
Rating 6.9335 Users
Reijou Sadistic Gekokujou Conspiracy
Reijou Sadistic Gekokujou Conspiracy
28%
Tags
  • Shoejob
  • Sadist Heroine
  • Nurse Heroine
  • Imouto-type Heroine
  • Heroine with Small Breasts (Non-Loli)
Rating 6.1022 Users
Mazo x Love
Mazo x Love
28%
Tags
  • Comic Convention
  • Comedy Rape
  • Mangaka Protagonist
  • Police Officer Heroine
  • Heroine with Inverted Nipples
Rating 7.5423 Users
Hakudaku Shimai ~Namaiki na Ano Ko no Kao ni Bukkakero!~
Hakudaku Shimai ~Namaiki na Ano Ko no Kao ni Bukkakero!~
27%
Tags
  • Non-twin Heroine Sisters
  • Public Use (Choukyou or Non-Consensual)
  • Unavoidable Heroine Rape
  • School Nurse Heroine
  • Background Moans
Rating 6.1521 Users
Injoku Senkyosen ~Hakudaku ni Somaru Kaichou Sen~
Injoku Senkyosen ~Hakudaku ni Somaru Kaichou Sen~
27%
Tags
  • Single Hole Double Penetration (obsolete)
  • Villainous Protagonist
  • Blowbang
  • Student Council President Heroine
  • Clothed Male Naked Female
Rating 6.6033 Users
Reika no Yakata ~Saimin Yuugi e no Shoutaijou~
Reika no Yakata ~Saimin Yuugi e no Shoutaijou~
27%
Tags
  • Stranded
  • Brothel
  • Mind Control
  • Unavoidable Netorare
  • Prostitute Heroine
Rating 6.3855 Users
Sacred Lineage
Sacred Lineage
26%
Tags
  • Secret Identity
  • Sexual Corruption
  • Princess Heroine
  • Sex With Monsters
  • Transformation Sequence(s)
Rating 6.9422 Users
Princess Ultima ~Chijo to Noroi no Yubiwa~
Princess Ultima ~Chijo to Noroi no Yubiwa~
26%
Tags
  • Princess Protagonist
  • Lesbian Rape
  • Non-consensual Erotic Humiliation
  • Butler Hero
  • Perverted Protagonist
Rating 5.7831 Users
Mashou no Nie 3 ~Hakudaku no Umi ni Shizumu Injoku no Reiki~
Mashou no Nie 3 ~Hakudaku no Umi ni Shizumu Injoku no Reiki~
26%
Tags
  • Pirate Heroine
  • Heroine with Eyepatch
  • Merchant Heroine
  • Possession
  • Pigs
Rating 7.3571 Users
Osaka Awaking
Osaka Awaking
26%
Tags
  • Heroine Sisters
  • Sexual Slavery (Choukyou Variation)
  • Shimaidon
  • Corruption of Characters
  • Twin Handjob
Rating 7.3426 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~
26%
Tags
  • Heroine with Sport Bloomers
  • Boobs on Glass
  • Suspension Bondage
  • Erotic Mind Control
  • Body Writing
Rating 5.9226 Users
Saimin Soku Yari Kyonyuu Reijou: Cool JK Harami Ochi Hen
Saimin Soku Yari Kyonyuu Reijou: Cool JK Harami Ochi Hen
25%
Tags
  • Mind Control
  • Pregnancy Ending
  • Big Breast Sizes Heroine
  • Heroine with Tights
  • Erotic Mind Control
Rating 6.5134 Users
Hime Rakunou Hime o Mamono Konomi no Meushi to Shite Shukka Suru Ishukan Rakunou Monogatari
Hime Rakunou Hime o Mamono Konomi no Meushi to Shite Shukka Suru Ishukan Rakunou Monogatari
25%
Tags
  • Human Cattle
  • Hero(ine) Selection
  • Cum Bath
  • Monster Rape
  • Princess Heroine
Rating 6.4122 Users
Haramase Taiken Gakushuu ~Shizen no Naka de Seikyouiku!?~
Haramase Taiken Gakushuu ~Shizen no Naka de Seikyouiku!?~
25%
Tags
  • Unavoidable Harem Ending
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Single Ending
  • Cousin Incest
Rating 6.2423 Users
Shin Arijigoku
Shin Arijigoku
24%
Tags
  • Tennis
  • Androphobic Heroine
  • Sister/Sister Incest
  • Rapist Protagonist
  • Non-twin Heroine Sisters
Rating 6.6124 Users
Boku wa Tomodachi. ~I am not sweetheart.~
Boku wa Tomodachi. ~I am not sweetheart.~
24%
Tags
  • Protagonist that's Feigning Idiocy
  • Boke Protagonist
  • Parody
  • Heroine with Small Breasts (Non-Loli)
  • Pretending Heroine
Rating 6.6429 Users
Ishu Soukan
Ishu Soukan
24%
Tags
  • Amphibians
  • Shotacon
  • Sex with Insects
  • Insects
  • Butler Protagonist
Rating 6.3526 Users
D-EVE in you
D-EVE in you
24%
Tags
  • Japanese Idols
  • Idol Heroine
  • Singer Heroine
  • Heroine with Intake Hairstyle
  • Exhibitionism
Rating 7.0925 Users
Saimin Soku Yari Gakuen: Seiso Kaichou - Reijuu Sennou Hen
Saimin Soku Yari Gakuen: Seiso Kaichou - Reijuu Sennou Hen
23%
Tags
  • Heroine with Children
  • Student Council President Heroine
  • Erotic Mind Control
  • Mind Control
  • Third-person Narrative
Rating 6.0829 Users
Toriko no Yugami ~Ondai Sotsu no Moto Utahime ga Hibikaseru Midara na Nakigoe~
Toriko no Yugami ~Ondai Sotsu no Moto Utahime ga Hibikaseru Midara na Nakigoe~
23%
Tags
  • Church Sex
  • Anal Plug Tail
  • Unavoidable Rape
  • High Amounts of Rape
  • Anal Rape
Rating 7.1441 Users
Hoshi no Ouji-kun
Hoshi no Ouji-kun
23%
Tags
  • Charming Protagonist
  • Popular Protagonist
  • Grandmother Support Character
  • Deredere Heroine
  • Group Sex with Clones
Rating 6.6651 Users

Himitsu Inkou Chika Club ~Biyaku ni Oboreru Shitai~ 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 (79 total)

NameScoreImportanceWeight
Netorare Type C3.002.537.60
Massage Therapist Protagonist2.003.086.16
Lotion Play2.002.815.63
Hair Pulling (Sexual)2.002.324.63
Gang Rape3.001.494.46
Vaginal Gaping2.002.104.21
Netorare Type B2.002.064.12
Brother/Sister Incest2.002.054.09
Protagonist's Blood-related Sister as a Heroine2.001.953.89
Sex Involving Prostitution2.001.923.83
Long Sexual Scenes2.001.893.78
Netorare2.501.513.78
Sexual Slavery (Choukyou Variation)2.001.883.76
Sex Involving Drugs2.001.823.64
Masturbation in front of an Audience2.001.813.63
Orphan Protagonist2.001.743.49
High Amount of Bad Endings2.001.733.46
Rope Bondage2.001.693.38
Excessive Semen2.001.653.30
Double Handjob2.001.643.27
High Amounts of Rape2.001.543.08
Handjob2.001.513.02
Group Sex of Multiple Females and Males2.001.492.98
Double Penetration (Group Sex)2.001.452.90
Duct Tape Bondage1.002.842.84
Open Gag1.002.812.81
Ponytail Heroine2.001.402.81
Vaginal Masturbation2.001.362.72
Female Ejaculation2.001.272.55
Single Handjob2.001.242.49
Metal Bondage1.002.432.43
Specula (Sexual)1.002.322.32
Vibrators2.001.152.30
Anal Sex2.001.132.26
Blowjob2.001.122.24
Quickie Fix Position2.001.112.23
Masturbation with Object1.002.172.17
Group Sex of One Female and Several Males2.001.082.15
Prostitution1.002.142.14
Handcuffed Sex1.002.062.06
Prostitute Heroine1.002.022.02
Wax Play1.001.981.98
Penile Masturbation1.001.941.94
Single Blowjob2.000.951.91
Cunnilingus2.000.931.86
Hairjob1.001.851.85
Soapy Massage1.001.841.84
Bukkake1.501.201.80
Kidnapping1.001.791.79
Mindbreak1.001.771.77
Body Writing1.001.741.74
Sex on Toilet1.001.741.74
High School Student Heroine2.000.851.69
Heroine with Big Breasts2.000.841.68
Cowgirl2.000.841.67
BDSM1.001.651.65
Petplay1.001.631.63
Doggy Style2.000.801.61
Piledriver1.001.591.59
Deepthroat1.001.521.52
Defloration2.000.761.52
Nukige2.330.651.51
Spoons1.001.491.49
Anal Fingering1.001.481.48
Anilingus1.001.471.47
Sex in Front of an Audience1.001.471.47
Group Sex of One Male and Several Females1.500.921.37
Twin Blowjob1.001.291.29
Ahegao1.001.251.25
Bathroom Sex1.001.191.19
Lesbian Sex1.001.151.15
Single Boobjob1.001.151.15
Bondage1.001.111.11
Sex in Public Places1.001.091.09
Sixty-nine1.001.071.07
Sitting Sex1.001.051.05
Male Protagonist3.000.300.90
Multiple Endings1.000.670.67
ADV3.000.140.43

Traits (111 total)

NameCharactersImportanceWeight
Lotion Play Engages in (Sexual)32.683.71
Mouth Gag Subject of (Sexual)32.142.96
Hair Pulling (Sexual) Subject of (Sexual)22.592.84
Sexual Slavery (Choukyou Variation) Subject of (Sexual)31.992.76
Masturbation in front of an Audience Engages in (Sexual)31.902.64
Gang Rape Subject of (Sexual)31.892.62
Double Handjob Engages in (Sexual)31.892.62
Spit-roast Subject of (Sexual)31.752.42
Group Sex of One Female and Several Males Engages in (Sexual)31.702.36
Slave Collar Clothes22.092.30
Double Penetration (Group Sex) Subject of (Sexual)31.652.28
Sex with Others Engages in (Sexual)21.992.19
Nipple Teasing Subject of (Sexual)31.572.18
Vaginal Gaping Engages in (Sexual)21.952.14
Open Gag Subject of (Sexual)13.072.13
Group Sex of Multiple Females and Males Engages in (Sexual)21.912.10
Duct Tape Bondage Subject of (Sexual)12.902.01
Bodysponge Subject of (Sexual)12.892.00
Erotic Massage Engages in12.831.96
Vaginal/Anal Sexual Toys Subject of (Sexual)21.741.91
Group Sex of One Male and Several Females Engages in (Sexual)41.171.89
Bukkake Subject of (Sexual)31.351.87
Metal Bondage Subject of (Sexual)12.691.86
Vaginal Masturbation Engages in (Sexual)21.681.85
Rope Bondage Subject of (Sexual)21.671.84
Bunnygirl Cosplay Engages in12.611.81
Erotic Massage Subject of12.581.79
Piledriver Engages in (Sexual)12.551.77
Speculum (Sexual) Subject of (Sexual)12.541.76
Penile Masturbation Engages in (Sexual)12.451.70
Masturbation with Object Engages in (Sexual)12.451.69
Medium Breasts Body21.511.66
Bodysponge Engages in (Sexual)12.381.65
Wax Play Subject of (Sexual)12.351.63
Butterfly Subject of (Sexual)31.171.63
Hairjob Engages in (Sexual)12.341.62
Incest Engages in (Sexual)21.471.61
Twin Blowjob Engages in (Sexual)21.451.59
Rope Bondage Harness Clothes12.291.59
Bondage Harness Clothes12.281.58
Spoons Engages in (Sexual)12.211.53
Bathroom Sex Engages in (Sexual)21.391.52
Lesbian Sex Engages in (Sexual)21.381.52
Body Writing Subject of (Sexual)12.181.51
Quickie Fix Subject of (Sexual)31.081.50
Female Ejaculation Engages in (Sexual)21.361.50
Handcuffed Sex Subject of (Sexual)12.151.49
Shimapan Clothes12.131.48
Management Role12.121.47
Petplay Subject of (Sexual)12.101.46
Anilingus Subject of (Sexual)12.041.42
Sex on Toilet Engages in (Sexual)12.031.41
Butterfly Engages in (Sexual)12.021.40
Sixty-nine Engages in (Sexual)21.261.38
Parted in Middle Hair21.251.37
High Heeled Shoes Clothes11.951.35
Piledriver Subject of (Sexual)11.941.35
Anal Sex Subject of (Sexual)21.191.31
Quickie Fix Engages in (Sexual)11.881.30
Boobjob Subject of (Sexual)11.861.29
Pink Rotor Subject of (Sexual)11.841.27
Handjob Engages in (Sexual)21.161.27
Sitting Sex Engages in (Sexual)11.821.26
Deepthroat Engages in (Sexual)11.801.25
Anal Sex Engages in (Sexual)11.761.22
Handjob Subject of (Sexual)11.751.21
Pajamas Clothes11.751.21
Older Brother Role11.731.20
Cowgirl Engages in (Sexual)11.711.19
Anal Fingering Subject of (Sexual)11.711.19
Orphan Role11.701.18
Doggy Style Engages in (Sexual)11.681.17
Spoons Subject of (Sexual)11.671.15
Garnet Eyes11.661.15
Garter Belt Stockings Clothes11.621.12
Cunnilingus Engages in (Sexual)11.551.08
Blowjob Subject of (Sexual)11.521.05
Pendant Necklace Clothes11.521.05
Cowgirl Subject of (Sexual)20.951.05
Sex in Front of an Audience Engages in (Sexual)11.501.04
Serious Personality11.491.03
Sailor School Uniform Clothes11.481.02
Doggy Style Subject of (Sexual)20.921.02
Younger Sister Role11.441.00
Virgin Sex Engages in (Sexual)20.850.93
Slim Body40.580.93
White Hair11.330.92
Ahegao Engages in (Sexual)11.320.92
Curtained Hair11.300.90
Black Hair20.800.88
Sex in Public Places Engages in (Sexual)11.260.87
Teen Body30.620.86
Blowjob Engages in (Sexual)20.760.84
Cunnilingus Subject of (Sexual)11.160.81
Shirt Clothes11.160.80
Big Breasts Body11.130.78
Ponytail Hair11.100.76
Brown Hair20.680.75
Vaginal Fingering Subject of (Sexual)11.080.75
Boobjob Engages in (Sexual)11.070.74
Sitting Sex Subject of (Sexual)11.060.74
Violet Eyes11.050.72
Spiky Bangs Hair11.000.69
Short Hair20.610.67
Brown Eyes10.900.63
Pale Body40.370.59
High School Student Role10.850.59
Waist Length+ Hair10.810.56
Blue Eyes10.800.56
Young-adult Body10.760.53
Long Hair10.750.52