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Summary

Hiroki and Yukari had been a couple since they were students. Meanwhile, their juniors Tetsuya and Mei still hadn't developed to the point where they went out yet. However, inspired by Hiroki's marriage, they started dating and became lovers. That was 3 years ago. Now. Hiroki and Yukari are happily married, Tetsuya and Mei are also planning their wedding. However, it seems that their juniors' relationship isn't so good lately. After some probing, Tetsuya unexpectedly asks Hiroki to sleep with Mei. A surprised Hiroki decides to discuss it with Yukari and she chooses to accept Tetsuya's request. However, Tetsuya's request doesn't stop there... [Translated from Official Site]

Boku no Shiranai Gamen no Kanojo ~Hamedori Kaihatsu Sareteita Koibito no Karada~
Boku no Shiranai Gamen no Kanojo ~Hamedori Kaihatsu Sareteita Koibito no Karada~
NAN%
Tags
  • Protagonist's Girlfriend as a Heroine
  • Netorare
  • Condoms
  • Masturbation with Object
  • Only a Single Heroine
Rating 5.9828 Users
Erocas! ~Jikkyo! Inran Hoken
Erocas! ~Jikkyo! Inran Hoken'i~
NAN%
Tags
  • Medical Doctor Heroine
  • Heroine with Big Breasts
  • Ahegao
  • Male Protagonist
  • ADV
Rating 7.0220 Users
Irekawa Onee-chan, Boku no Karada de Onani Shichau no!?
Irekawa Onee-chan, Boku no Karada de Onani Shichau no!?
NAN%
Tags
  • Body Swapping
  • Genderbent Sex
  • Non-blood-related Brother/Sister Incest
  • Incest
  • Protagonist's Sister as a Heroine
Rating 6.5534 Users
Kurokami Kyonyuu Iinchou to Souta-kun no Natsuyasumi
Kurokami Kyonyuu Iinchou to Souta-kun no Natsuyasumi
NAN%
Tags
  • Shotacon
  • Exhibitionism
  • Clothed Male Naked Female
  • Cousin Incest
  • Straight Shotacon
Rating 6.4024 Users
Swapping Party
Swapping Party
NAN%
Tags
  • Swinging
  • Glasses Option
  • Cousin Incest
  • Third-person Narrative
  • Heroine with Pre-story Virginity Loss to the Protagonist
Rating 7.12100 Users
JK Bitch Kuro Gyaru Musume! Tokunou Hame Pako Diary
JK Bitch Kuro Gyaru Musume! Tokunou Hame Pako Diary
NAN%
Tags
  • Gyaru Heroine
  • Sex Involving Prostitution
  • Early Sexual Content
  • Promiscuous Heroine
  • Shotacon
Rating 6.6441 Users
Maki-chan to Now. Kanketsuhen
Maki-chan to Now. Kanketsuhen
NAN%
Tags
  • Fully Consensual BDSM Only
  • Shimaidon
  • Masochist Heroine
  • Rope Bondage
  • BDSM
Rating 7.2854 Users
Kabe no Mukou no Tsuma no Koe ~Ai Suru Tsuma no Karada wa Mou, Tonari no Danna o Wasurerarenai~
Kabe no Mukou no Tsuma no Koe ~Ai Suru Tsuma no Karada wa Mou, Tonari no Danna o Wasurerarenai~
NAN%
Tags
  • Swinging
  • Netorare Type A
  • Salaryman Protagonist
  • Beach
  • Orgasm Denial
Rating 7.61216 Users
Akizuki-ke no Jusei Irai -Ninshin Suru made Kurikaesareru, Tsuma to Ani to no Sex-
Akizuki-ke no Jusei Irai -Ninshin Suru made Kurikaesareru, Tsuma to Ani to no Sex-
NAN%
Tags
  • In-law Incest
  • Netorase
  • Protagonist's Wife as a Heroine
  • Unavoidable Netorare
  • Flat Tints Only
Rating 7.0241 Users
Koibito Swapping ~Shin
Koibito Swapping ~Shin'yuu no Koibito o Ore wa Daki, Ore no Koibito wa Shin'yuu ni Dakareru~
NAN%
Tags
  • Swinging
  • Weak-willed Heroine
  • Heroine with Pre-story Virginity Loss to the Protagonist
  • Heroine Having Sex with Others
  • Consumption of Pornography
Rating 6.8193 Users
Tadakano ~Tadashii Kanojo no Tsukurikata~
Tadakano ~Tadashii Kanojo no Tsukurikata~
NAN%
Tags
  • Completely Avoidable Netorare
  • Swinging
  • Few Choices
  • Half-Japanese Heroine
  • Early Sexual Content
Rating 6.6622 Users
Toaru Hitozuma no Netorare Jijou
Toaru Hitozuma no Netorare Jijou
NAN%
Tags
  • Office Lady Heroine
  • Protagonist's Wife as a Heroine
  • Netorase
  • Side Character Having Sex with Others
  • Netorare
Rating 7.6538 Users
Ubai Again ~Hito no Onna, Mata Urimasu~
Ubai Again ~Hito no Onna, Mata Urimasu~
NAN%
Tags
  • Pimp/Madam Protagonist
  • Sex Involving Smegma
  • Consensual Phone Sex
  • Production of Pornography (Professional)
  • Netorare
Rating 6.4237 Users
Netorareta Mama wa Suki Desu ka? ~Kyouiku Mama to Kateikyoushi~
Netorareta Mama wa Suki Desu ka? ~Kyouiku Mama to Kateikyoushi~
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Only Protagonist's Relatives as Heroine(s)
  • Heroine with Children
  • Only Older Heroines
  • Voiced Thoughts
Rating 7.2386 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 7.08146 Users
Ubai Ending ~Hito no Onna, Saigo made Urimasu~
Ubai Ending ~Hito no Onna, Saigo made Urimasu~
NAN%
Tags
  • Pimp/Madam Protagonist
  • Mischievous Heroine
  • Yamato Nadeshiko Heroine
  • Prostitute Heroine
  • Sex Involving Prostitution
Rating 6.7626 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 6.2169 Users
Rinjin ni Kowasareteiku Ore no Tsuma
Rinjin ni Kowasareteiku Ore no Tsuma
NAN%
Tags
  • Netorare Type B
  • Protagonist's Wife as a Heroine
  • Netorare
  • Gang Bang
  • Sex Involving Prostitution
Rating 7.32105 Users
Kaa-san no Otoko 2 ~Saiai no Haha ni Muragaru Osu~
Kaa-san no Otoko 2 ~Saiai no Haha ni Muragaru Osu~
NAN%
Tags
  • Only Bad Endings
  • Mindbreak
  • Netorare
  • Married Heroine
  • Only Blood-related Heroines
Rating 6.4947 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 7.63168 Users
Torikaekko Shiyo! ~Kareshi Kanojo no Himitsu no Kankei~
Torikaekko Shiyo! ~Kareshi Kanojo no Himitsu no Kankei~
34%
Tags
  • Swinging
  • Gauge Display
  • Relationship Chart
  • Half-Japanese Heroine
  • Protagonist's Girlfriend as a Heroine
Rating 6.9523 Users
Ubai ~Hito no Onna, Urimasu~
Ubai ~Hito no Onna, Urimasu~
34%
Tags
  • Pimp/Madam Protagonist
  • Production of Pornography (Professional)
  • Protagonist's Ex as a Heroine
  • Prostitution
  • Shimaidon Ending
Rating 6.7551 Users
Ubai Again ~Hito no Onna, Mata Urimasu~
Ubai Again ~Hito no Onna, Mata Urimasu~
31%
Tags
  • Pimp/Madam Protagonist
  • Sex Involving Smegma
  • Consensual Phone Sex
  • Production of Pornography (Professional)
  • Netorare
Rating 6.4237 Users
Toaru Hitozuma no Netorare Jijou
Toaru Hitozuma no Netorare Jijou
31%
Tags
  • Office Lady Heroine
  • Protagonist's Wife as a Heroine
  • Netorase
  • Side Character Having Sex with Others
  • Netorare
Rating 7.6538 Users
Koibito Swapping ~Shin
Koibito Swapping ~Shin'yuu no Koibito o Ore wa Daki, Ore no Koibito wa Shin'yuu ni Dakareru~
29%
Tags
  • Swinging
  • Weak-willed Heroine
  • Heroine with Pre-story Virginity Loss to the Protagonist
  • Heroine Having Sex with Others
  • Consumption of Pornography
Rating 6.8193 Users
Tadakano ~Tadashii Kanojo no Tsukurikata~
Tadakano ~Tadashii Kanojo no Tsukurikata~
28%
Tags
  • Completely Avoidable Netorare
  • Swinging
  • Few Choices
  • Half-Japanese Heroine
  • Early Sexual Content
Rating 6.6622 Users
Kabe no Mukou no Tsuma no Koe ~Ai Suru Tsuma no Karada wa Mou, Tonari no Danna o Wasurerarenai~
Kabe no Mukou no Tsuma no Koe ~Ai Suru Tsuma no Karada wa Mou, Tonari no Danna o Wasurerarenai~
28%
Tags
  • Swinging
  • Netorare Type A
  • Salaryman Protagonist
  • Beach
  • Orgasm Denial
Rating 7.61216 Users
Akizuki-ke no Jusei Irai -Ninshin Suru made Kurikaesareru, Tsuma to Ani to no Sex-
Akizuki-ke no Jusei Irai -Ninshin Suru made Kurikaesareru, Tsuma to Ani to no Sex-
28%
Tags
  • In-law Incest
  • Netorase
  • Protagonist's Wife as a Heroine
  • Unavoidable Netorare
  • Flat Tints Only
Rating 7.0241 Users
Ubai Ending ~Hito no Onna, Saigo made Urimasu~
Ubai Ending ~Hito no Onna, Saigo made Urimasu~
27%
Tags
  • Pimp/Madam Protagonist
  • Mischievous Heroine
  • Yamato Nadeshiko Heroine
  • Prostitute Heroine
  • Sex Involving Prostitution
Rating 6.7626 Users
Rinjin ni Kowasareteiku Ore no Tsuma
Rinjin ni Kowasareteiku Ore no Tsuma
26%
Tags
  • Netorare Type B
  • Protagonist's Wife as a Heroine
  • Netorare
  • Gang Bang
  • Sex Involving Prostitution
Rating 7.32105 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~
26%
Tags
  • Swinging
  • Consensual Defloration by Others
  • Sprite Viewer
  • Pubic Hair Option
  • Perverted Friend
Rating 7.63168 Users
Maki-chan to Now.
Maki-chan to Now.
25%
Tags
  • Fully Consensual BDSM Only
  • BDSM
  • Wake-up Sex
  • Vaginal + Anal Object Insertion
  • Blood-related Sister/Sister Incest
Rating 7.3178 Users
Ore no Kanojo ga Shuushoku Shita Kaisha wa, Black Kigyou Datta...
Ore no Kanojo ga Shuushoku Shita Kaisha wa, Black Kigyou Datta...
25%
Tags
  • Consensual Erotic Humiliation
  • Office
  • Avoidable Netorare (obsolete)
  • Office Lady Heroine
  • Mindbreak
Rating 6.7952 Users
Ossan Kyoushi no Joshikousei Tsuma ga Yarichin Danshi ni Netorareru Hanashi
Ossan Kyoushi no Joshikousei Tsuma ga Yarichin Danshi ni Netorareru Hanashi
25%
Tags
  • Pregnancy
  • Netorare
  • Clothed Female Naked Male
  • Netorare Type B
  • Impregnation
Rating 6.7339 Users
Katei Kyouin ~Sensei no Ecchi na Gohoubi~
Katei Kyouin ~Sensei no Ecchi na Gohoubi~
25%
Tags
  • Has Window Transparency Setting
  • Background Moans
  • Backlog Jump
  • Sounds of Copulation
  • Sex on Toilet
Rating 6.7320 Users
Aisai Nikki
Aisai Nikki
25%
Tags
  • Production of Pornography (Professional)
  • Netorase
  • Masturbation Involving Food
  • Heroine with Crotchless Clothing
  • Heroine with Garter Belt
Rating 7.4175 Users
Ai Suru Koibito o Daikirai na Kyuuyuu ni Netorareta Ken ~Joushi de Koibito no Tsuyoki na Kanojo~
Ai Suru Koibito o Daikirai na Kyuuyuu ni Netorareta Ken ~Joushi de Koibito no Tsuyoki na Kanojo~
25%
Tags
  • Salesman Protagonist
  • Casting Couch
  • Salaryman Hero
  • Office Lady Protagonist
  • Playboy Protagonist
Rating 6.9329 Users
Musuko ga Osewa ni Narimashite ~Miboujin Kanrinin-san to Kaa-san to~
Musuko ga Osewa ni Narimashite ~Miboujin Kanrinin-san to Kaa-san to~
24%
Tags
  • Mother/Son Incest
  • Only Adult Heroines
  • Masochist Heroine
  • Clothed Male Naked Female
  • Pregnancy Ending
Rating 6.3334 Users
Nagasare Tsuma, Ayano no "Netorare" Houkoku -Ottori Tsuma & Hitoban Buttooshi Chou Nikushoku Furin Sex-
Nagasare Tsuma, Ayano no "Netorare" Houkoku -Ottori Tsuma & Hitoban Buttooshi Chou Nikushoku Furin Sex-
24%
Tags
  • Netorase
  • Netorare
  • Married Heroine
  • Other Perspectives
  • Colored Texts
Rating 6.8057 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~
24%
Tags
  • In-law Incest
  • Single Legjob
  • Salaryman Protagonist
  • Netorare Type B
  • Rape by Deception
Rating 7.94192 Users
Zoku Maki-chan to Now.
Zoku Maki-chan to Now.
24%
Tags
  • Fully Consensual BDSM Only
  • Linked Clamps
  • Rope Bondage
  • BDSM
  • Masochist Heroine
Rating 7.1259 Users

Koukan no Toriko-tachi... 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 (55 total)

NameScoreImportanceWeight
Swinging3.002.577.72
Masturbation with Object2.002.174.34
Heroine in Relationship with Other(s)2.002.154.30
Netorare Type A2.002.144.29
Group of Friends2.001.853.70
Love Hotel2.001.813.61
Protagonist in Relationship2.501.443.61
Shy Heroine2.001.703.39
Condoms2.001.653.31
Production of Pornography (Amateur)2.001.643.27
Netori2.001.593.18
Fingering2.001.533.06
Ejaculation Choice2.001.523.05
Netorare2.001.513.02
Masturbation2.001.492.98
Group Sex of Multiple Females and Males2.001.492.98
Spoons2.001.492.98
Anal Fingering2.001.482.95
Ryokan1.002.892.89
Background Moans2.001.442.87
Married Heroine2.001.422.84
Boobjob2.001.332.65
Sounds of Copulation2.001.292.58
Used Condoms Exposition1.002.372.37
Vibrators2.001.152.30
Other Perspectives2.001.132.27
Adult Heroine2.001.132.27
Handjob1.501.512.26
Quickie Fix Position2.001.112.23
Sixty-nine2.001.072.14
Standing Sex2.001.052.11
Sitting Sex2.001.052.11
Naked Sprites2.001.052.10
Onsen1.002.072.07
Adult Protagonist2.001.022.04
Outdoor Sex2.000.991.99
Anal Penetration1.501.321.98
Missionary Position2.000.941.88
Cunnilingus2.000.931.86
Bathroom Sex1.501.191.78
Blowjob1.501.121.68
Heroine with Big Breasts2.000.841.68
Cowgirl2.000.841.67
Nukige2.500.651.62
Doggy Style2.000.801.61
Voyeurism1.001.591.59
Sex in Water1.001.411.41
Multiple Endings2.000.671.34
Sexual Content2.000.631.26
Protagonist with a Sprite1.001.131.13
Male Protagonist2.500.300.75
Protagonist with a Face1.000.640.64
ADV2.500.140.36
2.000.000.00
2.000.000.00

Traits (65 total)

NameCharactersImportanceWeight
Swinging Engages in42.894.65
Office Worker Role22.312.54
Condom Sex Engages in (Sexual)22.142.35
Kindergarten Teacher Role13.392.35
Group Sex of Multiple Females and Males Engages in (Sexual)21.912.10
Multiple Penetration Subject of (Sexual)21.872.05
Yukata Clothes21.852.03
Used Condoms Exposition Engages in (Sexual)12.831.96
Anal Fingering Subject of (Sexual)21.711.88
Spoons Subject of (Sexual)21.671.83
Thong Panties Clothes12.301.60
High Heeled Sandals Clothes12.251.56
Closet Pervert Personality12.161.50
Lace Lingerie Clothes12.101.45
Sixty-nine Engages in (Sexual)21.261.38
Turtleneck Shirt Clothes11.991.38
Voyeurism Subject of11.951.35
High Heeled Shoes Clothes11.951.35
Mutual Masturbation Engages in (Sexual)11.941.34
Standing Sex Subject of (Sexual)21.181.29
Boyfriend Role11.861.29
Butterfly Subject of (Sexual)21.171.29
Cunnilingus Subject of (Sexual)21.161.28
Pink Rotor Subject of (Sexual)11.841.27
String Ribbon Tie Clothes11.821.26
Husband Role11.801.25
Big Breasts Body21.131.24
Vaginal/Anal Sexual Toys Subject of (Sexual)11.741.20
Quickie Fix Subject of (Sexual)21.081.19
Reserved Personality11.711.19
Vaginal Fingering Subject of (Sexual)21.081.19
Boobjob Engages in (Sexual)21.071.17
Sitting Sex Subject of (Sexual)21.061.17
Vaginal Masturbation Engages in (Sexual)11.681.16
Parted to Side Hair21.051.15
Garnet Eyes11.661.15
Thigh-high Stockings Clothes21.041.15
Mini-dress Clothes11.631.13
Girlfriend Role11.541.06
Wife Role11.531.06
Cowgirl Subject of (Sexual)20.951.05
Doggy Style Subject of (Sexual)20.921.02
Blouse Clothes11.461.01
Pleated Skirt Clothes11.390.97
Masturbation Engages in (Sexual)11.390.97
Grey Hair11.380.96
Female Ejaculation Engages in (Sexual)11.360.94
Skirt Clothes11.340.93
Ahoge Hair11.320.92
Childhood Friend Role11.260.87
Friendly Personality11.220.84
Blowjob Engages in (Sexual)20.760.84
Young-adult Body20.760.84
Violet Hair11.190.83
Anal Sex Subject of (Sexual)11.190.82
Outdoor Sex Engages in (Sexual)11.160.80
Handjob Engages in (Sexual)11.160.80
Missionary Subject of (Sexual)11.120.77
Ponytail Hair11.100.76
Miniskirt Clothes11.060.74
Shoulder-length Hair10.920.64
Blue Eyes10.800.56
Long Hair10.750.52
Pale Body20.370.40
20.000.00