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Summary

The scientifically advanced Strangers of "Grenada" threaten to destroy our planet. Justice heroine Hatsune Shindo, a.k.a. Prism Reica, gives her body and soul to protect humanity. She has a younger sister: Hikari Shindo, a.k.a. Prism Shine. Shine thinks the world of Reica. When Damned, the leader of Grenada, takes Reica hostage Shine breaks straight into enemy headquarters, and into unbelievable misery......! Like her sister before her, the noble but naive imouto is transformed into a raving sexpot by the same mad scientist, Dr. Brain, who warped Reica into a mindless mesu. Can Shine save Reica, or herself, from the infinite plunge into an XXX abyss? [From DLsite English]

Ochiteiku Sei Senshi Lunatic Angels Watashi no Midara na Kokoro, Nozokaretara... Mou Gaman Dekinai...
Ochiteiku Sei Senshi Lunatic Angels Watashi no Midara na Kokoro, Nozokaretara... Mou Gaman Dekinai...
NAN%
Tags
  • Grotesque Nipples
  • Clitoris Growth
  • Grotesque Body Modification
  • Suction on Nipples
  • Genius Protagonist
Rating 7.0251 Users
Saimin Tanetsuke Jugyou
Saimin Tanetsuke Jugyou
NAN%
Tags
  • Erotic Mind Control
  • Mind Control
  • Netori
  • Pregnancy
  • Impregnation
Rating 6.0223 Users
Kangoku Senkan 2 ~Yousai Toshi no Sennou Kaizou~
Kangoku Senkan 2 ~Yousai Toshi no Sennou Kaizou~
NAN%
Tags
  • Clitoris Growth
  • Major Antagonist
  • Space
  • Highly Animated Sprites
  • Protagonist with Phimosis
Rating 7.51358 Users
Kimi no Omoi
Kimi no Omoi
NAN%
Tags
  • Netorare Type A
  • Masturbation Involving Food
  • Unavoidable Netorare
  • Defloration by Others
  • No Common Sense Heroine
Rating 7.2335 Users
Hangyaku no Beretta ~Ingoku ni Ochiru Senshi~
Hangyaku no Beretta ~Ingoku ni Ochiru Senshi~
NAN%
Tags
  • Heroine with Bodystocking
  • Heroine with Leotard
  • Future Japan
  • Post Apocalyptic Earth
  • No "Keep Voice on Click" Option
Rating 6.2026 Users
Kangoku Senkan 3 ~Nessa no Sennou Kouro~
Kangoku Senkan 3 ~Nessa no Sennou Kouro~
NAN%
Tags
  • Visible Cervix Penetration
  • Major Antagonist
  • High-Tech Sex Engine
  • Mecha Pilot Heroine
  • Villainous Protagonist
Rating 7.58301 Users
Kousoku Seiki Palace Athena
Kousoku Seiki Palace Athena
NAN%
Tags
  • Falling to Evil (sexual)
  • Interdimensional Organization
  • Multiple Penises
  • Public Use (Choukyou or Non-Consensual)
  • Pillory Sex
Rating 6.9353 Users
Saimin Counselor ~Moto Joushi no JK Musume o Otosu Houfuku no Nikuana Saimin~
Saimin Counselor ~Moto Joushi no JK Musume o Otosu Houfuku no Nikuana Saimin~
NAN%
Tags
  • Erotic Mind Control
  • Mind Control
  • Student Club President Heroine
  • Dogs
  • Yamato Nadeshiko Heroine
Rating 6.7951 Users
Yuusei Tenshi Primaveil Drei: Dark Mission
Yuusei Tenshi Primaveil Drei: Dark Mission
NAN%
Tags
  • Sadist Support Character
  • Mahou Shoujo Heroine
  • Heroine Rape by Others
  • Sexual Corruption
  • Anal Object Insertion
Rating 6.7924 Users
Inda no Himekishi Janne 2 ~Biki Tensei~ Futatsu no Sekai de Ogre no Kodane o Sosogare Tsuzukeru Monogatari~
Inda no Himekishi Janne 2 ~Biki Tensei~ Futatsu no Sekai de Ogre no Kodane o Sosogare Tsuzukeru Monogatari~
NAN%
Tags
  • Netorare
  • Literary Adaptation
  • Sex With Monsters
  • Penis Growth
  • Consensual Sex With Monsters
Rating 7.2929 Users
Netorare Osananajimi ~Saimin Nikubou Chuudoku~
Netorare Osananajimi ~Saimin Nikubou Chuudoku~
NAN%
Tags
  • Mind Control
  • Mindbreak
  • Built-in Flowchart
  • Remote-controlled Vibrator
  • Netorare
Rating 6.9720 Users
Sailor Element
Sailor Element
NAN%
Tags
  • Living Clothes Sex
  • Wet and Messy
  • Stuck in Meatwall
  • Falling to Evil (sexual)
  • Suction on Nipples
Rating 6.6030 Users
Moshimo Youmuin no Oji-san ga Saimin o Oboetara... ~Onna Kyoushi o Midara ni Otosu, Nikuyoku no Houetsu Saimin~
Moshimo Youmuin no Oji-san ga Saimin o Oboetara... ~Onna Kyoushi o Midara ni Otosu, Nikuyoku no Houetsu Saimin~
NAN%
Tags
  • Janitor Protagonist
  • Sex Wearing Panties On Face
  • Highly Animated Sprites
  • P.E. Teacher Heroine
  • Body Smell Fetish
Rating 6.7360 Users
Shinsou Seiki Elementia ~Kutsujoku no Sennou Saimin~
Shinsou Seiki Elementia ~Kutsujoku no Sennou Saimin~
NAN%
Tags
  • Heroine with Catsuit
  • Unavoidable Netorare
  • Falling to Evil (sexual)
  • Transformation Sequence(s)
  • Consensual Erotic Humiliation
Rating 6.59104 Users
Divine Heart Karen ~Kantsui Sennou no Wana~
Divine Heart Karen ~Kantsui Sennou no Wana~
NAN%
Tags
  • Superhero(ine) Protagonist
  • Sex With Monsters
  • Monsters
  • Plant Sex
  • Superheroine
Rating 6.9420 Users
Kyonyuu Hitozuma Netorare Saimin ~Share House de Kanrinin to Tsuma ga…… ~
Kyonyuu Hitozuma Netorare Saimin ~Share House de Kanrinin to Tsuma ga…… ~
NAN%
Tags
  • Share House
  • Mind Control
  • Erotic Mind Control
  • Married Heroine
  • Censored Text
Rating 6.4242 Users
Dorei Shigan Site ~Hitozuma Shouko no Kiroku~
Dorei Shigan Site ~Hitozuma Shouko no Kiroku~
NAN%
Tags
  • Sexual Slavery (Consensual)
  • Pornography
  • Play Piercing
  • Sexual Slavery
  • Body Piercing
Rating 6.5629 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
  • Sex on Toilet
Rating 5.8126 Users
Mashou Hime Tiruana Haramase Saimin ~Ningen o Shiitageru Mazoku no Hime ga Anji Hitotsu de Niku Gangu ni Naru~
Mashou Hime Tiruana Haramase Saimin ~Ningen o Shiitageru Mazoku no Hime ga Anji Hitotsu de Niku Gangu ni Naru~
NAN%
Tags
  • Mind Control
  • Demon Heroine
  • Revenge
  • Internal Exhibition of Sex
  • Pregnancy
Rating 6.1422 Users
TS Mahou Shoujo Nao! 2nd!!
TS Mahou Shoujo Nao! 2nd!!
NAN%
Tags
  • Mahou Shoujo Protagonist
  • Gender Bending
  • Genderbent Sex
  • Mahou Shoujo Heroine
  • Sexual Slavery (Choukyou Variation)
Rating 7.3347 Users
Netoraren
Netoraren'ai ~Ai Suru Kanojo ga Musunda Midara na Keiyaku~
NAN%
Tags
  • Dog Cosplay
  • Sex Wearing Panties On Face
  • Food Gokkun
  • Defloration by Others
  • Netorare Type B
Rating 7.4392 Users
3tsu no Saimin
3tsu no Saimin
NAN%
Tags
  • Erotic Mind Control
  • Flat Tints Only
  • Ugly Protagonist
  • Mind Control
  • Female Protagonist for a Short Time
Rating 6.5724 Users
Mametsuhime Mikoto ~Jusei Hisshi no Ishu Kangoku~
Mametsuhime Mikoto ~Jusei Hisshi no Ishu Kangoku~
NAN%
Tags
  • Pig Cosplay
  • Huge Insertion
  • Monster Rape
  • Sexual Corruption
  • Plant Sex
Rating 6.9223 Users
Saimin Kazoku ~Yadokari~
Saimin Kazoku ~Yadokari~
NAN%
Tags
  • Mind Control
  • Full Chastity Belt
  • Netori
  • Netorare
  • Married Heroine
Rating 6.2325 Users
Soukou Senki Prism Breaker ~Seigi no Heroine Kutsujoku no Sennou Saimin Choukyou~
Soukou Senki Prism Breaker ~Seigi no Heroine Kutsujoku no Sennou Saimin Choukyou~
67%
Tags
  • Mad Scientist Support Character
  • Heroine with Catsuit
  • High-Tech Sex Engine
  • Erotic Electrostimulation
  • Non-human Protagonist
Rating 6.6430 Users
Choukou Sentai Justice Blade 3 ~Altered Apocalypse~
Choukou Sentai Justice Blade 3 ~Altered Apocalypse~
41%
Tags
  • Falling to Evil (sexual)
  • Superheroine
  • Tentacle Rape
  • Erotic Mind Control
  • Sex Involving Drugs
Rating 7.1121 Users
Shinsou Seiki Elementia ~Kutsujoku no Sennou Saimin~
Shinsou Seiki Elementia ~Kutsujoku no Sennou Saimin~
28%
Tags
  • Heroine with Catsuit
  • Unavoidable Netorare
  • Falling to Evil (sexual)
  • Transformation Sequence(s)
  • Consensual Erotic Humiliation
Rating 6.59104 Users
Moshimo Youmuin no Oji-san ga Saimin o Oboetara... ~Onna Kyoushi o Midara ni Otosu, Nikuyoku no Houetsu Saimin~
Moshimo Youmuin no Oji-san ga Saimin o Oboetara... ~Onna Kyoushi o Midara ni Otosu, Nikuyoku no Houetsu Saimin~
28%
Tags
  • Janitor Protagonist
  • Sex Wearing Panties On Face
  • Highly Animated Sprites
  • P.E. Teacher Heroine
  • Body Smell Fetish
Rating 6.7360 Users
Sailor Element
Sailor Element
27%
Tags
  • Living Clothes Sex
  • Wet and Messy
  • Stuck in Meatwall
  • Falling to Evil (sexual)
  • Suction on Nipples
Rating 6.6030 Users
Inda no Himekishi Janne 2 ~Biki Tensei~ Futatsu no Sekai de Ogre no Kodane o Sosogare Tsuzukeru Monogatari~
Inda no Himekishi Janne 2 ~Biki Tensei~ Futatsu no Sekai de Ogre no Kodane o Sosogare Tsuzukeru Monogatari~
27%
Tags
  • Netorare
  • Literary Adaptation
  • Sex With Monsters
  • Penis Growth
  • Consensual Sex With Monsters
Rating 7.2929 Users
Netorare Osananajimi ~Saimin Nikubou Chuudoku~
Netorare Osananajimi ~Saimin Nikubou Chuudoku~
27%
Tags
  • Mind Control
  • Mindbreak
  • Built-in Flowchart
  • Remote-controlled Vibrator
  • Netorare
Rating 6.9720 Users
Saimin Counselor ~Moto Joushi no JK Musume o Otosu Houfuku no Nikuana Saimin~
Saimin Counselor ~Moto Joushi no JK Musume o Otosu Houfuku no Nikuana Saimin~
27%
Tags
  • Erotic Mind Control
  • Mind Control
  • Student Club President Heroine
  • Dogs
  • Yamato Nadeshiko Heroine
Rating 6.7951 Users
Yuusei Tenshi Primaveil Drei: Dark Mission
Yuusei Tenshi Primaveil Drei: Dark Mission
27%
Tags
  • Sadist Support Character
  • Mahou Shoujo Heroine
  • Heroine Rape by Others
  • Sexual Corruption
  • Anal Object Insertion
Rating 6.7924 Users
Kyonyuu Hitozuma Netorare Saimin ~Share House de Kanrinin to Tsuma ga…… ~
Kyonyuu Hitozuma Netorare Saimin ~Share House de Kanrinin to Tsuma ga…… ~
26%
Tags
  • Share House
  • Mind Control
  • Erotic Mind Control
  • Married Heroine
  • Censored Text
Rating 6.4242 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
  • Sex on Toilet
Rating 5.8126 Users
TS Mahou Shoujo Nao! 2nd!!
TS Mahou Shoujo Nao! 2nd!!
25%
Tags
  • Mahou Shoujo Protagonist
  • Gender Bending
  • Genderbent Sex
  • Mahou Shoujo Heroine
  • Sexual Slavery (Choukyou Variation)
Rating 7.3347 Users
3tsu no Saimin
3tsu no Saimin
25%
Tags
  • Erotic Mind Control
  • Flat Tints Only
  • Ugly Protagonist
  • Mind Control
  • Female Protagonist for a Short Time
Rating 6.5724 Users
Saimin Kazoku ~Yadokari~
Saimin Kazoku ~Yadokari~
25%
Tags
  • Mind Control
  • Full Chastity Belt
  • Netori
  • Netorare
  • Married Heroine
Rating 6.2325 Users
Rinkai Gakuen
Rinkai Gakuen
25%
Tags
  • Villainous Protagonist
  • Fictional Modern Day Japanese Island
  • Gynecologist Chair
  • Model Heroine
  • Medical Doctor Protagonist
Rating 7.0027 Users
Ura Saiminjutsu 2
Ura Saiminjutsu 2
23%
Tags
  • Anthology
  • Protagonist's Aunt as a Heroine
  • Blood-related Mother/Son Incest
  • Erotic Mind Control
  • Twin Sisters as Heroines
Rating 7.4976 Users
Inkou Hamedori Collection ~Yuutousei Kurosaki Ayano no Hentai Akume Douga~
Inkou Hamedori Collection ~Yuutousei Kurosaki Ayano no Hentai Akume Douga~
23%
Tags
  • Consumption of Pornography
  • Sex Involving Smegma
  • Production of Pornography (Professional)
  • Heroine with Tattoo
  • Consensual Group Sex of One Female and Several Males
Rating 6.6634 Users
Kouyoku Senki ExS-Tia A
Kouyoku Senki ExS-Tia A
22%
Tags
  • Skippable Gameplay
  • Sex Under the Necessity
  • Mayadere Heroine
  • Avoidable Rape
  • Mahou Shoujo Heroine
Rating 7.4943 Users
Crimson Lunatics
Crimson Lunatics
22%
Tags
  • Falling to Evil (sexual)
  • Selfcest
  • Sexual Corruption
  • Maou Protagonist
  • Heroine with Heterochromia
Rating 7.0332 Users
Kouyoku Senki ExS-Tia
Kouyoku Senki ExS-Tia
22%
Tags
  • Superheroine
  • Sex Under the Necessity
  • Cum Bath
  • Organised Corruption
  • Central Heroine
Rating 7.2468 Users
Hitozuma Keiji wa Moto Mahou Shoujo ~2-juu Spy no Ore ga Sennou Saimin o Kurikaeshi Netori Otosu~
Hitozuma Keiji wa Moto Mahou Shoujo ~2-juu Spy no Ore ga Sennou Saimin o Kurikaeshi Netori Otosu~
22%
Tags
  • Netori
  • Falling to Evil (sexual)
  • Kneepit Sex
  • Armpit Sex
  • Stockings
Rating 6.5939 Users
Kouyoku Senki ExS-Tia 2
Kouyoku Senki ExS-Tia 2
22%
Tags
  • Skippable Gameplay
  • Sex Under the Necessity
  • Living Clothes Sex
  • Magic/ESP Combat
  • Organised Corruption
Rating 7.2549 Users
Soukou Seiki Ysphere ~Ingyaku no Sennou Kaizou~
Soukou Seiki Ysphere ~Ingyaku no Sennou Kaizou~
22%
Tags
  • Heroine with Catsuit
  • Heroine with Slave Tattoo (BDSM)
  • Mind Control
  • High-Tech Sex Engine
  • Reverse Piledriver
Rating 6.8049 Users
Ore no Saimin Fantasia ~Ero Saimin de Ikusa Megami kara Maou made Hame Houdai!!~
Ore no Saimin Fantasia ~Ero Saimin de Ikusa Megami kara Maou made Hame Houdai!!~
22%
Tags
  • Erotic Mind Control
  • Maou Heroine
  • Deities
  • Protagonist from a Different World
  • Demon Heroine
Rating 6.6932 Users

Soukou Senki Prism Shine ~Seigi no Heroine Daraku no Sennou Choukyou~ 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 (51 total)

NameScoreImportanceWeight
Clitoris Growth2.002.695.37
Falling to Evil (sexual)2.002.334.66
Public Use (Choukyou or Non-Consensual)2.002.324.65
Genital Piercing2.002.304.60
Erotic Electrostimulation2.002.194.38
Nipple Piercing2.001.993.97
Ahegao3.001.243.73
Mindbreak2.001.753.50
Mind Control2.001.673.34
Urination Fetish2.001.633.26
Double Handjob2.001.623.25
Fighting Heroine2.001.623.24
Sex in Front of an Audience2.001.482.96
Gang Rape2.001.472.94
Sex Wearing Panties On Face1.002.782.78
Dog Cosplay1.002.612.61
Female Ejaculation2.001.272.54
High-Tech Sex Engine1.002.452.45
Gaping1.002.392.39
Bukkake2.001.192.38
Ryona1.002.322.32
Vibrators2.001.142.28
Bondage2.001.092.17
Blowjob2.001.082.17
Group Sex of One Female and Several Males2.001.062.12
Peace Sign Ahegao1.002.012.01
Suspension Bondage1.001.891.89
Feet Licking1.001.871.87
Multiple Penetration1.501.241.87
Sexual Cosplay1.001.851.85
Heroine with Big Breasts2.000.891.77
Inflation1.001.741.74
Body Writing1.001.721.72
High School Student Heroine2.000.841.68
Condoms1.001.641.64
Excessive Semen1.001.641.64
Production of Pornography (Amateur)1.001.621.62
Petplay1.001.611.61
Sexual Blindfold1.001.511.51
Group Sex of Multiple Females and Males1.001.471.47
Double Penetration (Group Sex)1.001.441.44
Erotic Spanking1.001.431.43
Anal Toys1.001.371.37
Nukige2.000.641.29
Anal Penetration1.001.281.28
Lactation During Sex1.001.251.25
Anal Sex1.001.151.15
Quickie Fix Position1.001.111.11
Group Sex of One Male and Several Females1.000.900.90
Doggy Style1.000.790.79
Defloration1.000.750.75

Traits (86 total)

NameCharactersImportanceWeight
Condoms (Clothing) Clothes23.323.65
Dog Cosplay Engages in23.213.52
High-Tech Sex Engine Subject of (Sexual)22.863.15
Futuristic Suit Clothes22.743.01
Public Use (Choukyou or Non-Consensual) Subject of (Sexual)22.582.84
Hero Role22.582.83
Genital Piercing Body22.532.78
Sexual Animal Cosplay Engages in (Sexual)22.532.78
Electric Shock (BDSM) Subject of (Sexual)22.522.77
Peace Sign Ahegao Engages in (Sexual)22.322.55
Anal Plug Tail Subject of (Sexual)22.282.50
Blowjob Duck Face Engages in (Sexual)22.232.45
Micro Bikini Clothes22.222.44
Body Writing Subject of (Sexual)22.172.39
Nipple Piercing Body22.172.38
Petplay Subject of (Sexual)22.092.30
Sex Wearing Panties On Face Engages in (Sexual)13.302.29
Tickle Torture Subject of (Sexual)13.222.23
Kemonomimi Headband Clothes22.012.21
Sexual Hair Eating Engages in (Sexual)13.142.18
Erotic Spanking Subject of (Sexual)21.962.15
Group Sex of Multiple Females and Males Engages in (Sexual)21.952.14
Double Handjob Engages in (Sexual)21.882.06
Prosthesis Body12.932.03
Erotic Beating Subject of (Sexual)12.902.01
Multiple Penetration Subject of (Sexual)21.741.91
Group Sex of One Female and Several Males Engages in (Sexual)21.721.89
Monocle Clothes12.701.87
Butt Plug Subject of (Sexual)12.651.84
Sling Bikini Clothes12.621.82
Vaginal/Anal Sexual Toys Subject of (Sexual)21.651.81
Double Penetration (Group Sex) Subject of (Sexual)21.641.80
Pillory (BDSM) Subject of12.561.78
Feet Licking Engages in (Sexual)12.551.76
Enchainment Subject of12.461.71
Balding Hair12.461.71
Sex in Front of an Audience Engages in (Sexual)21.511.66
Magic Wand Subject of (Sexual)12.371.64
Pissing Engages in (Sexual)21.461.60
Scientist Role12.271.57
Hypnotism Subject of12.221.54
Female Ejaculation Engages in (Sexual)21.381.52
Wrinkles Body12.151.49
Bell (accessory) Clothes12.151.49
Bukkake Subject of (Sexual)21.341.47
Ahegao Engages in (Sexual)21.331.46
Suspension Bondage Subject of (Sexual)12.101.46
Student Council President Role12.051.42
Inflated Belly Subject of (Sexual)12.041.41
Cloak Clothes12.031.41
Object Insertion Subject of (Sexual)12.021.40
Enema Subject of (Sexual)12.001.39
Sexual Slavery (Choukyou Variation) Subject of (Sexual)11.991.38
Beard Hair11.911.32
Group Sex of One Male and Several Females Engages in (Sexual)21.201.31
Anal Sex Subject of (Sexual)21.191.30
Sexual Blindfold Subject of (Sexual)11.851.28
Moustache Hair11.841.27
Pink Rotor Subject of (Sexual)11.831.27
Deepthroat Engages in (Sexual)11.811.26
Lab Coat Clothes11.791.24
Necktie Clothes21.111.22
Quickie Fix Subject of (Sexual)21.081.18
Cyan Eyes11.671.16
Lactation Engages in11.591.10
Medium Breasts Body11.561.08
Bondage Sex Subject of (Sexual)11.561.08
Older Sister Role11.551.08
Orange Hair11.511.04
Doggy Style Subject of (Sexual)20.921.01
Younger Sister Role11.441.00
Gloves Clothes11.420.98
Virgin Sex Engages in (Sexual)20.840.92
High School Student Role20.840.92
Pink Hair11.320.92
Young-adult Body20.770.85
Blowjob Engages in (Sexual)20.760.83
Big Breasts Body11.190.83
Long Hair20.750.83
School Uniform Clothes20.730.80
Outdoor Sex Engages in (Sexual)11.160.80
Twin Tails Hair11.120.78
Amber Eyes11.020.71
Cowgirl Subject of (Sexual)10.950.66
Slim Body20.570.63
Pale Body20.370.41