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Summary

Omega is an anti-humanity institution purposed to dominate the whole world. With artificial humans created by an unequaled scientist, Void, they have destroyed cities and hunted people. The police and military forces were no match against Omega's artificial humans and innocent people have barely survived through their attacks. By the name of Yisphere, Shizuku Ayazaki and Natsumi Fujii acquired the power to repel Omega's forces and are fighting for the peace. Wearing special battle wears which convert their righteous spirits into physical forces, they bring down to Omega's artificial humans. As Void takes them as a thorn in the side of his scheme, he formulates and implements a project to eliminate them from the situation. Supposing their justice minds are the very source of their power, his project aims to bend and reprogram their minds into those of sex slaves. By the plan is his own technology...brainwashing hypnotism. Yisphere's determined beliefs will be overwritten by a course of brainwashing hypnotism and enslaving disciplines and they will go in the wrong direction, which leads to a bottomless hell of sexual pleasure...! [From DLsite English]

TS Mahou Shoujo Saint Cherry - Kuppuku no Akuochi Sennou Choukyou Hen
TS Mahou Shoujo Saint Cherry - Kuppuku no Akuochi Sennou Choukyou Hen
NAN%
Tags
  • Mahou Shoujo Protagonist
  • Genderbent Sex
  • Protagonist with Big Breasts
  • Falling to Evil (sexual)
  • Skin Color Selection
Rating 7.1721 Users
Kouyoku Senki ExS-Tia A
Kouyoku Senki ExS-Tia A
NAN%
Tags
  • Skippable Gameplay
  • Sex Under the Necessity
  • Avoidable Rape
  • Mayadere Heroine
  • Mahou Shoujo Heroine
Rating 7.3144 Users
Yamato Nadeshiko na Ojou-sama ga Ninkatsu no Tame ni Chou Tsugou no Ii Haramase Onaho Yome to Shite Totsuidekita!
Yamato Nadeshiko na Ojou-sama ga Ninkatsu no Tame ni Chou Tsugou no Ii Haramase Onaho Yome to Shite Totsuidekita!
NAN%
Tags
  • Internal Pissing
  • Yamato Nadeshiko Heroine
  • Feet Licking
  • Unnamed Protagonist
  • Heroine with Huge Breasts
Rating 6.1720 Users
GAP Mahou Shoujo!? Milky Way ~Ishu Inshoku no Hate ni~
GAP Mahou Shoujo!? Milky Way ~Ishu Inshoku no Hate ni~
NAN%
Tags
  • Transformation Sequence(s)
  • Gaping
  • Anal Rape
  • Monster Rape
  • Completion Status Indicator
Rating 6.7421 Users
Saimin Kazoku ~Yadokari~
Saimin Kazoku ~Yadokari~
NAN%
Tags
  • Mind Control
  • Full Chastity Belt
  • Netori
  • Netorare
  • Married Heroine
Rating 6.2026 Users
Kouyoku Senki ExS-Tia
Kouyoku Senki ExS-Tia
NAN%
Tags
  • Superheroine
  • Sex Under the Necessity
  • Cum Bath
  • Central Heroine
  • Organised Corruption
Rating 7.2172 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
Himekishi Do Gehin Haiboku Jinsei
Himekishi Do Gehin Haiboku Jinsei
NAN%
Tags
  • Protagonist with Huge Breasts
  • Heroine with Slave Tattoo (BDSM)
  • High Fantasy
  • Princess Protagonist
  • Breast Torture
Rating 7.0189 Users
Uchuu Youhei Alicia ~Igyou no Shokushu Seibutsu ni Tanetsuke Sarete~
Uchuu Youhei Alicia ~Igyou no Shokushu Seibutsu ni Tanetsuke Sarete~
NAN%
Tags
  • Cum Bath
  • Monster Rape
  • Symbiote / Parasite
  • Inflation
  • Heroine with Catsuit
Rating 6.0720 Users
Gyakushuu 4
Gyakushuu 4
NAN%
Tags
  • Protagonist with Tentacles
  • Knight Heroine
  • Cum Bath
  • Officer Protagonist
  • Horse
Rating 7.6728 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~
NAN%
Tags
  • Mad Scientist Support Character
  • Heroine with Catsuit
  • High-Tech Sex Engine
  • Erotic Electrostimulation
  • Non-human Protagonist
Rating 6.6331 Users
Gyakushuu 5
Gyakushuu 5
NAN%
Tags
  • Heroine with Visible Panties
  • Sex Involving Amputees
  • Orcs
  • Grotesque Body Modification
  • Built-in Flowchart
Rating 6.8724 Users
Kanojo ga Yakyuubu no Seishori Manager ni... ~Taiikukaikei Sex de Netorarete~
Kanojo ga Yakyuubu no Seishori Manager ni... ~Taiikukaikei Sex de Netorarete~
NAN%
Tags
  • Baseball Club
  • Baseball
  • Netorare Type B
  • Public Use (Choukyou or Non-Consensual)
  • Unavoidable Heroine Rape by Others
Rating 6.86117 Users
Oujo & Onna Kishi W Do Gehin Roshutsu ~Chijoku no Misemono Dorei~
Oujo & Onna Kishi W Do Gehin Roshutsu ~Chijoku no Misemono Dorei~
NAN%
Tags
  • Grotesque Nipples
  • Heroine with Slave Tattoo (BDSM)
  • Grotesque Body Modification
  • Consensual Erotic Humiliation
  • Public Use (Choukyou or Non-Consensual)
Rating 7.10112 Users
Natsuyasumi Ake no Kanojo wa... ~Charao Gonomi no Kuro Gyaru Bitch ni~
Natsuyasumi Ake no Kanojo wa... ~Charao Gonomi no Kuro Gyaru Bitch ni~
NAN%
Tags
  • Hetare Protagonist
  • Bimbofication
  • Corruption of Characters
  • Sexual Hair Eating
  • Defloration by Others
Rating 6.6592 Users
Majo no Mugen Kairou
Majo no Mugen Kairou
NAN%
Tags
  • Fighting Princess Heroine
  • Single Bodyjob
  • Pissing on Own Face
  • Urethral Sounding
  • Immortal Heroine
Rating 6.9521 Users
Bakunyuu Mizugi Hitozuma o Beach de Dekachin Nanpa ~Kimajime Butte Shiburu no ni Hameru to Iki Makuru Mazo Mesu o Haramase Onaho ni Shitsukeru Natsu~
Bakunyuu Mizugi Hitozuma o Beach de Dekachin Nanpa ~Kimajime Butte Shiburu no ni Hameru to Iki Makuru Mazo Mesu o Haramase Onaho ni Shitsukeru Natsu~
NAN%
Tags
  • Nanpa
  • Heroine with Swimsuits
  • Sex in Front of an Audience
  • Feet Licking
  • Sexual Slavery (Choukyou Variation)
Rating 6.4939 Users
Enkou JK Aherase Supple v(゚ロ゚)v☆アヘ
Enkou JK Aherase Supple v(゚ロ゚)v☆アヘ
NAN%
Tags
  • Prostitute Heroine
  • Gyaru Heroine
  • Sexual Hair Eating
  • Love Hotel
  • Oyaji Protagonist
Rating 6.6765 Users
Bakunyuu Himekishi wa Haramase Onaho ~Zettai Chuusei no Benjo ni Tsukusareru Dosukebe Isekai Seikatsu~
Bakunyuu Himekishi wa Haramase Onaho ~Zettai Chuusei no Benjo ni Tsukusareru Dosukebe Isekai Seikatsu~
NAN%
Tags
  • Genital Piercing
  • Nipple Piercing
  • Urination Fetish
  • Knight Heroine
  • Oyakodon Ending
Rating 6.3048 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
NATURALCORDE -Aiyoku no Iro ni Somerarete, Watashi wa Arugamama no Jibun ni Naru-
NATURALCORDE -Aiyoku no Iro ni Somerarete, Watashi wa Arugamama no Jibun ni Naru-
NAN%
Tags
  • Blowjob Duck Face
  • Oneesan-type Heroine
  • Netori
  • Exhibitionism
  • Heroine with Gigantic Breasts
Rating 6.2840 Users
Haiboku no Injuu Hunter Hienki Asuka ~Kekkai Gakuen no Wana~
Haiboku no Injuu Hunter Hienki Asuka ~Kekkai Gakuen no Wana~
NAN%
Tags
  • Navel Penetration
  • Stuck-in-Wall Sex
  • Stuck in Meatwall
  • Tentacle Blowjob
  • Kneepit Sex
Rating 6.8438 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
  • Sexual Devices
Rating 7.41100 Users
Shokushu Taikan no Mahou Shoujo ☆ Yuuri
Shokushu Taikan no Mahou Shoujo ☆ Yuuri
NAN%
Tags
  • Navel Penetration
  • Symbiote / Parasite
  • Consensual Sex With Monsters
  • Vore
  • Wet and Messy
Rating 6.5021 Users
Shinsou Seiki Elementia ~Kutsujoku no Sennou Saimin~
Shinsou Seiki Elementia ~Kutsujoku no Sennou Saimin~
58%
Tags
  • Heroine with Catsuit
  • Unavoidable Netorare
  • Falling to Evil (sexual)
  • Transformation Sequence(s)
  • Consensual Erotic Humiliation
Rating 6.57114 Users
Baikoku Ouki ~Daraku no Mesu Buta Oyako~
Baikoku Ouki ~Daraku no Mesu Buta Oyako~
38%
Tags
  • Royal Heroine
  • Queen Heroine
  • Urethral Sounding
  • Genital Piercing
  • Heroine with Crotchless Clothing
Rating 6.6747 Users
Oujo & Onna Kishi W Do Gehin Roshutsu ~Chijoku no Misemono Dorei~
Oujo & Onna Kishi W Do Gehin Roshutsu ~Chijoku no Misemono Dorei~
36%
Tags
  • Grotesque Nipples
  • Heroine with Slave Tattoo (BDSM)
  • Grotesque Body Modification
  • Consensual Erotic Humiliation
  • Public Use (Choukyou or Non-Consensual)
Rating 7.10112 Users
Kanojo ga Yakyuubu no Seishori Manager ni... ~Taiikukaikei Sex de Netorarete~
Kanojo ga Yakyuubu no Seishori Manager ni... ~Taiikukaikei Sex de Netorarete~
35%
Tags
  • Baseball Club
  • Baseball
  • Netorare Type B
  • Public Use (Choukyou or Non-Consensual)
  • Unavoidable Heroine Rape by Others
Rating 6.86117 Users
Gyakushuu 5
Gyakushuu 5
35%
Tags
  • Heroine with Visible Panties
  • Sex Involving Amputees
  • Orcs
  • Grotesque Body Modification
  • Built-in Flowchart
Rating 6.8724 Users
Gyakushuu 4
Gyakushuu 4
33%
Tags
  • Protagonist with Tentacles
  • Knight Heroine
  • Cum Bath
  • Officer Protagonist
  • Horse
Rating 7.6728 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~
33%
Tags
  • Mad Scientist Support Character
  • Heroine with Catsuit
  • High-Tech Sex Engine
  • Erotic Electrostimulation
  • Non-human Protagonist
Rating 6.6331 Users
Himekishi Do Gehin Haiboku Jinsei
Himekishi Do Gehin Haiboku Jinsei
32%
Tags
  • Protagonist with Huge Breasts
  • Heroine with Slave Tattoo (BDSM)
  • High Fantasy
  • Princess Protagonist
  • Breast Torture
Rating 7.0189 Users
Uchuu Youhei Alicia ~Igyou no Shokushu Seibutsu ni Tanetsuke Sarete~
Uchuu Youhei Alicia ~Igyou no Shokushu Seibutsu ni Tanetsuke Sarete~
32%
Tags
  • Cum Bath
  • Monster Rape
  • Symbiote / Parasite
  • Inflation
  • Heroine with Catsuit
Rating 6.0720 Users
Majo no Mugen Kairou
Majo no Mugen Kairou
31%
Tags
  • Fighting Princess Heroine
  • Single Bodyjob
  • Pissing on Own Face
  • Urethral Sounding
  • Immortal Heroine
Rating 6.9521 Users
Enkou JK Aherase Supple v(゚ロ゚)v☆アヘ
Enkou JK Aherase Supple v(゚ロ゚)v☆アヘ
31%
Tags
  • Prostitute Heroine
  • Gyaru Heroine
  • Sexual Hair Eating
  • Love Hotel
  • Oyaji Protagonist
Rating 6.6765 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~
30%
Tags
  • Heroine with Sport Bloomers
  • Boobs on Glass
  • Suspension Bondage
  • Erotic Mind Control
  • Teacher Protagonist
Rating 5.9226 Users
Haiboku no Injuu Hunter Hienki Asuka ~Kekkai Gakuen no Wana~
Haiboku no Injuu Hunter Hienki Asuka ~Kekkai Gakuen no Wana~
29%
Tags
  • Navel Penetration
  • Stuck-in-Wall Sex
  • Stuck in Meatwall
  • Tentacle Blowjob
  • Kneepit Sex
Rating 6.8438 Users
Shokushu Taikan no Mahou Shoujo ☆ Yuuri
Shokushu Taikan no Mahou Shoujo ☆ Yuuri
28%
Tags
  • Navel Penetration
  • Symbiote / Parasite
  • Consensual Sex With Monsters
  • Vore
  • Wet and Messy
Rating 6.5021 Users
Puriketsu Kyonyuu ni Sodatta Shinseki no Musume-tachi ga Kuso Shikokatta no de Aherasete Itsudemo Yareru Haramase Onaho ni Shita Ken
Puriketsu Kyonyuu ni Sodatta Shinseki no Musume-tachi ga Kuso Shikokatta no de Aherasete Itsudemo Yareru Haramase Onaho ni Shita Ken
28%
Tags
  • Triple Boobjob
  • Gyaru Heroine
  • Big Breast Sizes Heroine
  • Internal Exhibition of Sex
  • Impregnation
Rating 6.0523 Users
Zettai Fukujuu Princess ~Kijoku Kakumeiroku~
Zettai Fukujuu Princess ~Kijoku Kakumeiroku~
28%
Tags
  • Completely Avoidable Rape by Others
  • Only Avoidable Heroine Having Sex with Others
  • Heroine Sisters
  • Sexual Slavery (Choukyou Variation)
  • Twin Buttjob
Rating 7.1641 Users
Anastasia to 7-nin no Himegami ~Inmon no Rakuin~
Anastasia to 7-nin no Himegami ~Inmon no Rakuin~
28%
Tags
  • Tongue Piercing
  • Castration
  • Netorare Type B
  • Norse Mythology
  • Clitoris Growth
Rating 6.6634 Users
Teihen Youmuin Fukushuu Sennou ~Namaiki Reijou Saimin~
Teihen Youmuin Fukushuu Sennou ~Namaiki Reijou Saimin~
28%
Tags
  • Janitor Protagonist
  • Pig Cosplay
  • Discipline Committee Leader Heroine
  • Delinquent Heroine
  • Heroine with Armpit Hair
Rating 6.7252 Users
Gakuen no Ikenie Nagusami Mono to Kashita Kyonyuu Furyou Shoujo ~Hakudaku ni Okasareru Kasshoku & Daniku no Kyouen~
Gakuen no Ikenie Nagusami Mono to Kashita Kyonyuu Furyou Shoujo ~Hakudaku ni Okasareru Kasshoku & Daniku no Kyouen~
26%
Tags
  • Delinquent Heroine
  • Muscular Heroine
  • Autosave Only
  • Dark Skinned Heroine
  • Heroine with Inverted Nipples
Rating 6.6734 Users
Mametsuhime Mikoto ~Jusei Hisshi no Ishu Kangoku~
Mametsuhime Mikoto ~Jusei Hisshi no Ishu Kangoku~
26%
Tags
  • Pig Cosplay
  • Huge Insertion
  • Monster Rape
  • Sexual Corruption
  • Plant Sex
Rating 6.9224 Users
Junjou Idol Dosukebe Produce ~Hoshizora Yuzu no Tanezuke Sakunyuu Keikakusho~
Junjou Idol Dosukebe Produce ~Hoshizora Yuzu no Tanezuke Sakunyuu Keikakusho~
26%
Tags
  • Idol Heroine
  • Ugly Protagonist
  • Otaku Protagonist
  • Peace Sign Ahegao
  • Perverted Protagonist
Rating 6.6133 Users
Otto ni Kakurete Mesubuta Onaho ni Sarete Haramiiki Suru Hitozuma-tachi
Otto ni Kakurete Mesubuta Onaho ni Sarete Haramiiki Suru Hitozuma-tachi
26%
Tags
  • Ugly Protagonist
  • Heroine with Crotchless Clothing
  • Stockings
  • Sexual Slavery (Choukyou Variation)
  • Scenario Selection
Rating 6.1920 Users
Maint Maiya - Manctuary Juuni Shikyuu Hen
Maint Maiya - Manctuary Juuni Shikyuu Hen
26%
Tags
  • Kemonomimi Protagonist
  • Kemonomimi Heroine
  • Futanari on Female
  • Nipple Insertion
  • Breast Expansion
Rating 7.0224 Users
Joushi no Tsuma to Buka no Tsuma
Joushi no Tsuma to Buka no Tsuma
26%
Tags
  • Netori
  • Infidelity
  • Only Adult Heroines
  • Married Heroine
  • Harem Ending
Rating 6.5521 Users

Soukou Seiki Ysphere ~Ingyaku no Sennou Kaizou~ 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 (35 total)

NameScoreImportanceWeight
Heroine with Catsuit2.002.585.16
Heroine with Slave Tattoo (BDSM)2.002.555.10
Mind Control3.001.685.04
High-Tech Sex Engine2.002.474.95
Reverse Piledriver2.002.394.79
Falling to Evil (sexual)2.002.324.64
Erotic Electrostimulation2.002.224.43
Peace Sign Ahegao2.002.024.03
Penis Growth2.001.943.88
Mahou Shoujo Heroine2.001.893.77
Ahegao3.001.253.75
Double Handjob2.001.643.28
Group Sex of Multiple Females and Males2.001.492.98
Background Moans2.001.442.87
Linear Plot2.001.382.76
Single Ending2.001.382.76
Few Choices2.001.342.67
Female Ejaculation2.001.272.55
Stuck-in-Wall Sex1.002.542.54
Vaginal Fingering2.001.262.53
Nose Hook1.002.442.44
Bukkake2.001.202.41
Pillory Sex1.002.332.33
Lesbian Sex2.001.152.30
Group Sex of One Female and Several Males2.001.082.15
Futanari on Female1.002.072.07
Blowjob Duck Face1.001.911.91
Body Writing1.001.741.74
Nukige2.670.651.74
Defloration2.000.761.52
Double Penetration (Group Sex)1.001.451.45
Erotic Spanking1.001.441.44
Twin Blowjob1.001.291.29
Anal Sex1.001.141.14
ADV2.000.150.29

Traits (59 total)

NameCharactersImportanceWeight
Falling to Evil (sexual) Subject of23.503.85
Corrupted Form Subject of23.133.44
High-Tech Sex Engine Subject of (Sexual)22.893.17
Body Writing Subject of (Sexual)32.173.01
Futuristic Suit Clothes22.702.97
Reverse Piledriver Subject of (Sexual)22.652.91
Electric Shock (BDSM) Subject of (Sexual)22.522.77
Peace Sign Ahegao Engages in (Sexual)22.322.55
Henshin Engages in22.292.52
Blowjob Duck Face Engages in (Sexual)22.242.46
Ahegao Engages in (Sexual)41.322.13
Nose Hook Subject of (Sexual)12.681.86
Sling Bikini Clothes12.621.81
Pillory (BDSM) Subject of12.581.79
Big Breast Sizes Body21.541.69
Magic Wand Subject of (Sexual)12.371.64
Student Role21.491.63
Penis Growth Subject of12.341.62
Twin Blowjob Engages in (Sexual)21.451.59
Hairpin Clothes21.401.54
Micro Bikini Clothes12.211.53
Sanpaku Eyes Eyes12.181.51
Enema Subject of (Sexual)12.011.40
Sunglasses Clothes12.001.39
Erotic Spanking Subject of (Sexual)11.961.36
Villain Role11.901.32
Violet Hair21.191.31
Fang Body11.881.30
Antagonist Role11.821.26
Lab Coat Clothes11.801.25
Twin Tails Hair21.131.24
Missionary Engages in (Sexual)11.741.21
Vaginal Fingering Subject of (Sexual)21.081.19
Intake Hair11.671.16
Cyan Eyes11.661.15
Amber Eyes21.031.13
Waist Length+ Hair30.811.12
Shoulder-length Hair20.921.01
Earrings Clothes11.420.99
Hair Tie Clothes11.410.97
Nipple Sucking Subject of (Sexual)11.380.96
Grey Hair11.380.96
Tsurime Eyes11.380.96
Bukkake Subject of (Sexual)11.350.93
Red Hair11.320.92
School Uniform Clothes20.750.83
Ribbon Hair Tie Clothes11.190.83
Anal Sex Subject of (Sexual)11.190.82
Standing Sex Subject of (Sexual)11.180.82
Butterfly Subject of (Sexual)11.170.81
Missionary Subject of (Sexual)11.120.77
Ponytail Hair11.100.76
Violet Eyes11.040.72
Thigh-high Stockings Clothes11.040.72
Doggy Style Subject of (Sexual)10.930.64
Blond Hair10.890.62
Virgin Sex Engages in (Sexual)10.850.59
Blue Eyes10.800.56
Blowjob Engages in (Sexual)10.760.53