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Summary

Humanity has gone nearly extinct. A vast number of people have died for no explainable reason. The everyday lives of all humans everywhere have been utterly shattered. Just one month after this horrible tragedy, there are only four sole survivors on a floating island south of the capital—two men and two women. They must work together to survive, gathering information and securing food in the morning and eating together at night. However, as time passes, tensions begin to arise as the reality of their situation sinks in. Can the four of them work through these difficulties to survive the apocalypse? [From Steam]

Aisai x Koukan Ninkatsu Swapping ~Haramigoro no Tsuma-tachi wa Kodane o Motome Nikuyoku no Hana o Sakaseru~
Aisai x Koukan Ninkatsu Swapping ~Haramigoro no Tsuma-tachi wa Kodane o Motome Nikuyoku no Hana o Sakaseru~
NAN%
Tags
  • Swinging
  • Pregnancy Ending
  • Impregnation by Others
  • Group Sex of Multiple Females and Males
  • Nursing Handjob
Rating 7.06101 Users
Koromogawari
Koromogawari
NAN%
Tags
  • Anal Object Insertion
  • Defloration by Others
  • Slice of Life Drama
  • Netorare Type A
  • Sexual Corruption
Rating 6.6926 Users
Aisai ~Tsuma to Oyaji Dake no Toki~
Aisai ~Tsuma to Oyaji Dake no Toki~
NAN%
Tags
  • In-law Incest
  • Netorare Type B
  • Protagonist's Wife as a Heroine
  • Father Support Character
  • Unavoidable Heroine Rape by Others
Rating 6.4664 Users
Hyoui Kanojo ~Tsukikano
Hyoui Kanojo ~Tsukikano
NAN%
Tags
  • Long Common Route
  • Heroine with Eye Covering Hairstyle
  • Office Lady Heroine
  • Molestation on Public Transport
  • Ghost Heroine
Rating 6.8229 Users
Ore no Shiranu Ma ni Kanojo ga... Hanasaki Kagura Hen & Miyahara Maina Hen
Ore no Shiranu Ma ni Kanojo ga... Hanasaki Kagura Hen & Miyahara Maina Hen
NAN%
Tags
  • Netorare
  • Strangulation Sex
  • Defloration by Others
  • Transfer Student Protagonist
  • Netorare Type B
Rating 6.8329 Users
Haitoku to Yokubou no Aida de ~Tsumi ni Nureru Onna~
Haitoku to Yokubou no Aida de ~Tsumi ni Nureru Onna~
NAN%
Tags
  • School Nurse Heroine
  • Clothed Male Naked Female
  • Sexual Fantasizing
  • Tribadism on Penis
  • Love Hotel
Rating 7.0565 Users
In
In'youchuu Wai ~Ryoushoku Tougen Taima Roku~
NAN%
Tags
  • Anal Monster Birth
  • Sex with Insects
  • Ejaculation Forewarner
  • Monster Birth
  • Monster Rape
Rating 6.4721 Users
Kanojo no Karada ni Tsuita Aitsu no Kiss Ato ~Osananajimi no Kyonyuu Kanojo wa Senpai no Ookina Ude ni Tsutsumare Toroketa Emi o Ukaberu~
Kanojo no Karada ni Tsuita Aitsu no Kiss Ato ~Osananajimi no Kyonyuu Kanojo wa Senpai no Ookina Ude ni Tsutsumare Toroketa Emi o Ukaberu~
NAN%
Tags
  • Dramatic Love Triangle
  • Netorare Type A
  • Transfer Student Hero
  • Tennis Club
  • Impregnation by Others
Rating 6.74135 Users
Hamedori Jikkyou Chuukei! Kyoudai Hatsu Ecchi 12 Jikan
Hamedori Jikkyou Chuukei! Kyoudai Hatsu Ecchi 12 Jikan
NAN%
Tags
  • Production of Pornography (Professional)
  • Pubic Hair Option
  • Heroine with Anal Hair
  • Nameable Heroine(s)
  • Blood-related Brother/Sister Incest
Rating 5.8720 Users
Ore no Kanojo wa Taninbou ga Ki ni Naru You Desu. ~Karakai Jouzu na Hentai Kanojo to no Seishun Swapping wa, Ore no Kakure Seiheki o Kaikashi Hidaika Sasemashita~
Ore no Kanojo wa Taninbou ga Ki ni Naru You Desu. ~Karakai Jouzu na Hentai Kanojo to no Seishun Swapping wa, Ore no Kakure Seiheki o Kaikashi Hidaika Sasemashita~
NAN%
Tags
  • Swinging
  • Consensual Defloration by Others
  • Sprite Viewer
  • Pubic Hair Option
  • Perverted Friend
Rating 7.62168 Users
Ai Suru Tsuma wa, Kyou mo Hoka no Otoko ni Dakarete Iku ~ Taninbou de Midare Nikuyoku o Mitashite Iku Ore no Tsuma
Ai Suru Tsuma wa, Kyou mo Hoka no Otoko ni Dakarete Iku ~ Taninbou de Midare Nikuyoku o Mitashite Iku Ore no Tsuma
NAN%
Tags
  • Protagonist's Wife as a Heroine
  • Condoms
  • Heroine Having Sex with Others
  • Adult Heroine
  • Adult Protagonist
Rating 6.2720 Users
Kyuukon Saimin ~Watashi, Zettai ni Uwaki Nante Shimasen~
Kyuukon Saimin ~Watashi, Zettai ni Uwaki Nante Shimasen~
NAN%
Tags
  • Heroine in Relationship with Other(s)
  • Oyaji Protagonist
  • Sexual Corruption
  • Student Council Member Heroine
  • Chubby Protagonist
Rating 6.5851 Users
Share Girl House ~Minna ni Share Sareta Boku no Kanojo~
Share Girl House ~Minna ni Share Sareta Boku no Kanojo~
NAN%
Tags
  • Share House
  • Armpit Sex
  • Gang Bang
  • Boobs on Glass
  • Netorare
Rating 6.9249 Users
Kabe no Mukou no Tsuma no Koe 3 ~Usukabe kara Hibiku Rinjinzuma no Tsuyagoe wa, Itsushika Ai Suru Tsuma no Midareta Yogarigoe e to Kawatteita~
Kabe no Mukou no Tsuma no Koe 3 ~Usukabe kara Hibiku Rinjinzuma no Tsuyagoe wa, Itsushika Ai Suru Tsuma no Midareta Yogarigoe e to Kawatteita~
NAN%
Tags
  • Swinging
  • Cow Cosplay
  • Used Condoms Exposition
  • Pregnancy Bad Ending
  • Salaryman Protagonist
Rating 7.03146 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
Kon
Kon'ya, Oji-sama ni Dakaremasu...
NAN%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • In-law Incest
  • Unavoidable Netorare
  • Blackmail
  • Sexual Devices
Rating 6.5834 Users
Shinjin 22-sai no Onee-chan Ura Mono AV Debut!! Saitou Hanako
Shinjin 22-sai no Onee-chan Ura Mono AV Debut!! Saitou Hanako
NAN%
Tags
  • Otaku Friend
  • Debt
  • Protagonist's Older Sister as a Heroine
  • Siscon Protagonist
  • Protagonist's Full Sister as a Heroine
Rating 6.9824 Users
Kasen - Yurusumaji! - Soshiranu Egao to Yogoreta Shitagi
Kasen - Yurusumaji! - Soshiranu Egao to Yogoreta Shitagi
NAN%
Tags
  • Pissing on Others
  • Protagonist's Wife as a Heroine
  • Foreskin Play
  • Nameable Character(s)
  • Sexual Cosplay
Rating 6.70107 Users
Mesu Tsumami ~Sewayaki Toshiue Tsuma to Majime na Tsuntsun Tsuma to no Aiyoku Seikatsu~
Mesu Tsumami ~Sewayaki Toshiue Tsuma to Majime na Tsuntsun Tsuma to no Aiyoku Seikatsu~
NAN%
Tags
  • Heroine in Relationship with Other(s)
  • Netori
  • Sex at Work
  • Bunnygirl Cosplay
  • Married Heroine
Rating 7.5484 Users
Boku ga Inai Ma ni Kaerareta Tsuma no Hiniku ~Love Love Shinkonzuma wa Hoka no Otoko ni Dakare Midara ni Aegu Yume o Miru ka~
Boku ga Inai Ma ni Kaerareta Tsuma no Hiniku ~Love Love Shinkonzuma wa Hoka no Otoko ni Dakare Midara ni Aegu Yume o Miru ka~
NAN%
Tags
  • Salaryman Protagonist
  • Netorare Type A
  • Built-in Flowchart
  • Netorare Type B
  • Chosen Choices Marking
Rating 6.7789 Users
Kon
Kon'ya, Otou-sama ni Dakaremasu...
NAN%
Tags
  • In-law Incest
  • Netorare
  • Sexual Devices
  • Miko Heroine
  • Condoms
Rating 7.5854 Users
Otosarezuma Honami ~Aishiteiru no wa Otto dake no Hazu na no ni...~
Otosarezuma Honami ~Aishiteiru no wa Otto dake no Hazu na no ni...~
NAN%
Tags
  • Only Adult Heroines
  • Salaryman Protagonist
  • Netorare Type A
  • Protagonist's Wife as a Heroine
  • Piss Drinking
Rating 6.2269 Users
Tsuma no Biniku o Masaguru Chichi no Futoi Yubi ~Shiranu Ma ni Chichi no Mono ni Natteita Tsuma wa, Yorokobi no Aegi to Tomoni Koshi o Uneraseteita~
Tsuma no Biniku o Masaguru Chichi no Futoi Yubi ~Shiranu Ma ni Chichi no Mono ni Natteita Tsuma wa, Yorokobi no Aegi to Tomoni Koshi o Uneraseteita~
NAN%
Tags
  • In-law Incest
  • Single Legjob
  • Salaryman Protagonist
  • Netorare Type B
  • Rape by Deception
Rating 7.93192 Users
Saimin Kazoku ~Yadokari~
Saimin Kazoku ~Yadokari~
NAN%
Tags
  • Mind Control
  • Full Chastity Belt
  • Netori
  • Netorare
  • Married Heroine
Rating 6.2026 Users
Eye Mask ~ADV Edition~
Eye Mask ~ADV Edition~
32%
Tags
  • Netorare Type C
  • Gamer Protagonist
  • Gamer Heroine
  • Netorare Type B
  • Voiced Thoughts
Rating 6.5223 Users
White Blue
White Blue
28%
Tags
  • Avoidable Netorare (obsolete)
  • Avoidable Rape
  • Consensual Phone Sex
  • Rape Involving Drugs
  • Remote-controlled Vibrator
Rating 6.6645 Users
Kabe no Mukou no Tsuma no Koe 3 ~Usukabe kara Hibiku Rinjinzuma no Tsuyagoe wa, Itsushika Ai Suru Tsuma no Midareta Yogarigoe e to Kawatteita~
Kabe no Mukou no Tsuma no Koe 3 ~Usukabe kara Hibiku Rinjinzuma no Tsuyagoe wa, Itsushika Ai Suru Tsuma no Midareta Yogarigoe e to Kawatteita~
26%
Tags
  • Swinging
  • Cow Cosplay
  • Used Condoms Exposition
  • Pregnancy Bad Ending
  • Salaryman Protagonist
Rating 7.03146 Users
Share Girl House ~Minna ni Share Sareta Boku no Kanojo~
Share Girl House ~Minna ni Share Sareta Boku no Kanojo~
25%
Tags
  • Share House
  • Armpit Sex
  • Gang Bang
  • Boobs on Glass
  • Netorare
Rating 6.9249 Users
Kyuukon Saimin ~Watashi, Zettai ni Uwaki Nante Shimasen~
Kyuukon Saimin ~Watashi, Zettai ni Uwaki Nante Shimasen~
25%
Tags
  • Heroine in Relationship with Other(s)
  • Oyaji Protagonist
  • Sexual Corruption
  • Student Council Member Heroine
  • Chubby Protagonist
Rating 6.5851 Users
Ore no Kanojo wa Taninbou ga Ki ni Naru You Desu. ~Karakai Jouzu na Hentai Kanojo to no Seishun Swapping wa, Ore no Kakure Seiheki o Kaikashi Hidaika Sasemashita~
Ore no Kanojo wa Taninbou ga Ki ni Naru You Desu. ~Karakai Jouzu na Hentai Kanojo to no Seishun Swapping wa, Ore no Kakure Seiheki o Kaikashi Hidaika Sasemashita~
24%
Tags
  • Swinging
  • Consensual Defloration by Others
  • Sprite Viewer
  • Pubic Hair Option
  • Perverted Friend
Rating 7.62168 Users
Ai Suru Tsuma wa, Kyou mo Hoka no Otoko ni Dakarete Iku ~ Taninbou de Midare Nikuyoku o Mitashite Iku Ore no Tsuma
Ai Suru Tsuma wa, Kyou mo Hoka no Otoko ni Dakarete Iku ~ Taninbou de Midare Nikuyoku o Mitashite Iku Ore no Tsuma
24%
Tags
  • Protagonist's Wife as a Heroine
  • Condoms
  • Heroine Having Sex with Others
  • Adult Heroine
  • Adult Protagonist
Rating 6.2720 Users
Kanojo no Karada ni Tsuita Aitsu no Kiss Ato ~Osananajimi no Kyonyuu Kanojo wa Senpai no Ookina Ude ni Tsutsumare Toroketa Emi o Ukaberu~
Kanojo no Karada ni Tsuita Aitsu no Kiss Ato ~Osananajimi no Kyonyuu Kanojo wa Senpai no Ookina Ude ni Tsutsumare Toroketa Emi o Ukaberu~
23%
Tags
  • Dramatic Love Triangle
  • Netorare Type A
  • Transfer Student Hero
  • Tennis Club
  • Impregnation by Others
Rating 6.74135 Users
Hamedori Jikkyou Chuukei! Kyoudai Hatsu Ecchi 12 Jikan
Hamedori Jikkyou Chuukei! Kyoudai Hatsu Ecchi 12 Jikan
23%
Tags
  • Production of Pornography (Professional)
  • Pubic Hair Option
  • Heroine with Anal Hair
  • Nameable Heroine(s)
  • Blood-related Brother/Sister Incest
Rating 5.8720 Users
Kon
Kon'ya, Oji-sama ni Dakaremasu...
23%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • In-law Incest
  • Unavoidable Netorare
  • Blackmail
  • Sexual Devices
Rating 6.5834 Users
Kasen - Yurusumaji! - Soshiranu Egao to Yogoreta Shitagi
Kasen - Yurusumaji! - Soshiranu Egao to Yogoreta Shitagi
23%
Tags
  • Pissing on Others
  • Protagonist's Wife as a Heroine
  • Foreskin Play
  • Nameable Character(s)
  • Sexual Cosplay
Rating 6.70107 Users
Boku ga Inai Ma ni Kaerareta Tsuma no Hiniku ~Love Love Shinkonzuma wa Hoka no Otoko ni Dakare Midara ni Aegu Yume o Miru ka~
Boku ga Inai Ma ni Kaerareta Tsuma no Hiniku ~Love Love Shinkonzuma wa Hoka no Otoko ni Dakare Midara ni Aegu Yume o Miru ka~
23%
Tags
  • Salaryman Protagonist
  • Netorare Type A
  • Built-in Flowchart
  • Netorare Type B
  • Chosen Choices Marking
Rating 6.7789 Users
Otosarezuma Honami ~Aishiteiru no wa Otto dake no Hazu na no ni...~
Otosarezuma Honami ~Aishiteiru no wa Otto dake no Hazu na no ni...~
22%
Tags
  • Only Adult Heroines
  • Salaryman Protagonist
  • Netorare Type A
  • Protagonist's Wife as a Heroine
  • Piss Drinking
Rating 6.2269 Users
Saimin Kazoku ~Yadokari~
Saimin Kazoku ~Yadokari~
22%
Tags
  • Mind Control
  • Full Chastity Belt
  • Netori
  • Netorare
  • Married Heroine
Rating 6.2026 Users
Ecchi na Douki wa Suki Desu ka? ~Boku wa Kanojo o Nugasete Sodateru~
Ecchi na Douki wa Suki Desu ka? ~Boku wa Kanojo o Nugasete Sodateru~
22%
Tags
  • Production of Pornography (Professional)
  • Actress Heroine
  • Mirror Sex
  • Only Non-Virgin Heroines
  • Condoms
Rating 6.2125 Users
Ubawarezuma ~Kan
Ubawarezuma ~Kan'ochi Onsen Shain Ryokou~
21%
Tags
  • Protagonist's Wife as a Heroine
  • Netorare
  • Onsen
  • Heroine with Kimono
  • Love Hotel
Rating 6.3968 Users
Rin to Shita Tsuma wa, Hitoshirezu Midarazuma e to Ochite ~Hoka no Otoko o Ukeire Hirogerareta Nureana wa, Mou Ore no Mono de wa Umerarenai~
Rin to Shita Tsuma wa, Hitoshirezu Midarazuma e to Ochite ~Hoka no Otoko o Ukeire Hirogerareta Nureana wa, Mou Ore no Mono de wa Umerarenai~
21%
Tags
  • High Amount of Bad Endings
  • Protagonist's Wife as a Heroine
  • Chubby Heroine
  • Reverse Piledriver
  • Highly Animated Sprites
Rating 6.74135 Users
Sakuseishi no Oneesan ~Josei Dake no Machi de Seieki Dorei ni Sarechatta Boku~
Sakuseishi no Oneesan ~Josei Dake no Machi de Seieki Dorei ni Sarechatta Boku~
20%
Tags
  • Single Legjob
  • Shoejob
  • Bunnygirl Cosplay
  • Onahole
  • Pissing on Others
Rating 6.9764 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~
20%
Tags
  • Hetare Protagonist
  • Bimbofication
  • Corruption of Characters
  • Sexual Hair Eating
  • Defloration by Others
Rating 6.6592 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~
20%
Tags
  • Heroine with Sport Bloomers
  • Boobs on Glass
  • Suspension Bondage
  • Erotic Mind Control
  • Teacher Protagonist
Rating 5.9226 Users
Taninbou Monogatari
Taninbou Monogatari
20%
Tags
  • Debt
  • Protagonist's Fiancee as a Heroine
  • Netorare
  • Defloration by Others
  • Voiced Thoughts
Rating 6.3722 Users
Natsuiro no Koware Mono
Natsuiro no Koware Mono
20%
Tags
  • Character Movement
  • Relationship Chart
  • Netorare Type B
  • Beach
  • RPG
Rating 7.6283 Users
Hitozuma Netori-ya
Hitozuma Netori-ya
20%
Tags
  • Completely Avoidable Netorare
  • Relationship Problems
  • Protagonist's Boss as a Heroine
  • Unlockable Harem Ending
  • Only Adult Heroines
Rating 7.1762 Users
Shikiyoku no Komari Sou ~Chise Hen~
Shikiyoku no Komari Sou ~Chise Hen~
20%
Tags
  • Netorare Type B
  • Heroine with Beauty Mark
  • Netorare
  • Condoms
  • Waitress Heroine
Rating 7.5840 Users

Immoral Quartet ~4-nin no Seiyoku ga Karamiau, Ai to Netorare no Monogatari~ 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 (54 total)

NameScoreImportanceWeight
Stranded2.502.686.70
Fictional Modern Day Japanese Island2.502.636.59
Apocalypse3.002.166.47
Masturbation with Water2.003.086.15
Avoidable Netorare (obsolete)2.002.585.16
Epidemic2.002.545.08
Netorare3.001.514.54
Voiced Thoughts2.002.024.04
Armpit Sex2.002.004.00
Ahegao3.001.253.75
Group Sex of Multiple Females and Males2.501.493.72
Heroine with Tights2.001.853.70
Sexual Corruption2.001.773.54
Exhibitionism2.001.653.30
Petplay2.001.633.26
Sex in a Classroom2.001.633.26
Heroine Having Sex with Others2.001.523.05
Deepthroat2.001.523.04
School2.001.513.02
Heroine with Pubic Hair2.001.482.97
Pissing2.001.442.88
Heroine with Huge Breasts2.001.422.83
Bad Endings with Story2.001.402.80
Anal Toys2.001.392.78
Single Footjob2.001.382.75
Vaginal Masturbation2.001.372.75
Reverse Cowgirl2.001.332.66
Map Movement2.001.312.62
Sounds of Copulation2.001.292.58
Female Ejaculation2.001.272.55
Vaginal Fingering2.001.262.53
Student Heroine2.500.992.48
Rape2.001.232.45
Single Boobjob2.001.152.31
Protagonist's Childhood Friend as a Heroine2.001.142.28
Other Perspectives2.001.142.27
Quickie Fix Position2.001.112.23
Sixty-nine2.001.072.14
Heroine with Big Breasts2.500.852.13
Standing Sex2.001.062.11
Sitting Sex2.001.062.11
Naked Sprites2.001.052.11
Outdoor Sex2.001.001.99
Nukige3.000.651.95
Single Blowjob2.000.971.93
Missionary Position2.000.941.88
Cunnilingus2.000.931.86
Cowgirl2.000.841.68
Doggy Style2.000.801.61
Sexual Content2.500.631.57
Defloration2.000.761.52
Multiple Endings2.000.671.34
Male Protagonist2.000.300.61
ADV2.000.150.29

Traits (50 total)

NameCharactersImportanceWeight
Grotesque Stretched Nipples Subject of (Sexual)13.382.34
Undercut Hair12.671.85
Kemonomimi Hair12.481.72
Armpit Sex Engages in (Sexual)12.481.72
Ribbon Headband Clothes12.451.70
Survival Subject of12.291.59
Netori (their SO is stolen) Subject of12.261.57
Sweets Lover Personality12.091.45
Tall Body12.051.42
Ribbon Tie Clothes21.251.37
Tanned Body11.901.32
Cardigan Clothes11.871.30
Formal Shirt Clothes11.741.21
Huge Breasts Body11.721.19
Group Sex of One Female and Several Males Engages in (Sexual)11.701.18
Vaginal Masturbation Engages in (Sexual)11.701.18
Spiky Hair11.691.17
Miniskirt Clothes21.061.17
Shorts Clothes11.681.16
Muscular Body11.641.14
Nail Polish Body11.631.13
Senpai Role11.611.12
Mole Body11.591.10
Sidehair Hair20.981.07
Medium Breasts Body11.521.05
Tank Top Clothes11.420.98
Pubic Hair Hair11.340.93
Sixty-nine Engages in (Sexual)11.260.87
Childhood Friend Role11.260.87
Teen Body30.620.86
Blowjob Engages in (Sexual)20.760.84
Red Eyes11.200.83
School Uniform Clothes20.750.83
Tareme Eyes11.100.76
Vaginal Fingering Subject of (Sexual)11.080.75
Boobjob Engages in (Sexual)11.070.74
Green Eyes11.020.70
Cowgirl Subject of (Sexual)10.950.66
Straight Hair10.950.66
Shoulder-length Hair10.920.64
Blond Hair10.890.62
High School Student Role10.850.59
Waist Length+ Hair10.810.56
Black Hair10.810.56
Blue Eyes10.800.56
Young-adult Body10.760.53
Brown Hair10.680.47
Short Hair10.610.42
Pale Body20.370.41
Slim Body10.580.40