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Summary

The protagonist, Yuuji, is a ronin studying hard to get into college. His parents sell his childhood home and move abroad, throwing him out of the house. His recently married older brother, Yuuichi, offers him a room. Yuuji feels awkward intruding on his brother's newlywed life, but takes Yuuichi up on the offer. Yuuji walks into a new life of bewilderment, though, as he suddenly starts having sexy encounters with his new sister-in-law and the seductive housewife next-door.

Bosei ~Mama Club~
Bosei ~Mama Club~
NAN%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Mother/Son Incest
  • Mother Support Character
  • Shota Protagonist
  • Straight Shotacon
Rating 6.6852 Users
Shinsetsu Ryouki no Ori
Shinsetsu Ryouki no Ori
NAN%
Tags
  • Private Detective Protagonist
  • Cook Heroine
  • Amusement Park
  • Avoidable Rape
  • Protagonist's Boss as a Heroine
Rating 7.4123 Users
Shin Onna Kyoushi Yuuwaku Shinro Shidoushitsu
Shin Onna Kyoushi Yuuwaku Shinro Shidoushitsu
NAN%
Tags
  • Protagonist with Health Issues
  • School Nurse Support Character
  • School Nurse Heroine
  • Heroine with Sport Bloomers
  • Remote-controlled Vibrator
Rating 6.6926 Users
Suezen! ~Tane o Nozomu Kanojo~
Suezen! ~Tane o Nozomu Kanojo~
NAN%
Tags
  • Sex Involving Children
  • Homunculus Heroine
  • Genetic Research
  • Impregnation
  • Domicile
Rating 6.4820 Users
Onna Zakari wa Toshishita Konomi "Honki no Sex Oshiete A-ge-ru"
Onna Zakari wa Toshishita Konomi "Honki no Sex Oshiete A-ge-ru"
NAN%
Tags
  • Onsen
  • Heroine with Kimono
  • Early Branching Plot
  • Protagonist's Boss as a Heroine
  • Bunnygirl Cosplay
Rating 6.6835 Users
Bi-chiku Beach ~Nangoku Nyuujoku Satsueikai~
Bi-chiku Beach ~Nangoku Nyuujoku Satsueikai~
NAN%
Tags
  • Spontaneous Sex Scenes
  • Yamato Nadeshiko Heroine
  • Island
  • Idol Heroine
  • Heroine with Swimsuits
Rating 6.5925 Users
Let
Let's la Go! Bokura no Jiyuu Kenkyuu
NAN%
Tags
  • Lesbian Lolicon
  • Shota Protagonist
  • Straight Shotacon
  • Shotacon
  • Exhibitionism
Rating 6.7138 Users
Douryou no Oku-san ~Netori Tsuma, Netorare Tsuma~
Douryou no Oku-san ~Netori Tsuma, Netorare Tsuma~
NAN%
Tags
  • Netori
  • Clothed Male Naked Female
  • Wake-up Sex
  • Love Hotel
  • Sex in a Vehicle
Rating 7.0626 Users
Hitozuma♪ Kasumi-san 2 ~Oku-sama - Miboujin Owner to Kyoudou Seikatsu~
Hitozuma♪ Kasumi-san 2 ~Oku-sama - Miboujin Owner to Kyoudou Seikatsu~
NAN%
Tags
  • Only Adult Heroines
  • Vaginal Gaping
  • Widow Heroine
  • Stockings
  • Sexual Cosplay
Rating 7.1720 Users
Yarasete! Teacher
Yarasete! Teacher
NAN%
Tags
  • Straight Shotacon
  • School Nurse Support Character
  • Shota Protagonist
  • Perverted Protagonist
  • School
Rating 6.3131 Users
Onee x Shota
Onee x Shota
NAN%
Tags
  • Shimaidon with Twins Ending
  • Sister/Sister Incest
  • Triple Blowjob
  • Shota Protagonist
  • Twin Sisters as Heroines
Rating 6.3822 Users
Otouto Shibori ~Ane-tachi no Sei Kyouiku~
Otouto Shibori ~Ane-tachi no Sei Kyouiku~
NAN%
Tags
  • Shotacon
  • Pegging
  • Footjob
  • Shota Protagonist
  • Oneesan-type Heroine
Rating 6.1321 Users
Midara na Mansion
Midara na Mansion
NAN%
Tags
  • Janitor Protagonist
  • Promiscuous Heroine
  • Apartment Building
  • Married Heroine
  • Adult Heroine
Rating 6.7121 Users
Motto! Himitsu Taiken
Motto! Himitsu Taiken
NAN%
Tags
  • Shotacon
  • Shota Protagonist
  • Blood-related Cousin Incest
  • Lolicon
  • Design Story
Rating 6.5531 Users
Meimon Joshikou Ryokou ~Ore Dake Otoko Nandesu ga!?~
Meimon Joshikou Ryokou ~Ore Dake Otoko Nandesu ga!?~
NAN%
Tags
  • Trap Protagonist
  • All-girls School
  • Single Buttjob
  • Half-Japanese Heroine
  • Only Virgin Heroines
Rating 7.0724 Users
Mama no Sakuranbo Gari♪
Mama no Sakuranbo Gari♪
NAN%
Tags
  • Shotacon Heroine
  • Nympho Protagonist
  • Infidelity
  • Incest
  • Heroine with Garter Belt
Rating 5.8231 Users
Ai no Chikara
Ai no Chikara
NAN%
Tags
  • Nurse Heroine
  • High Amount of Bad Endings
  • Based on Actual Events
  • Hospital
  • Salaryman Protagonist
Rating 7.3220 Users
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
NAN%
Tags
  • Widow Heroine
  • Heroine with Armpit Hair
  • Heroine with Kimono
  • Dildos
  • Rope Bondage
Rating 6.8822 Users
Matty
Matty
NAN%
Tags
  • Shotacon
  • Protagonist's Aunt as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Short Sexual Scenes
Rating 6.8929 Users
Shimaizuma Marriage Disk - Shimaizuma Bubuzuke
Shimaizuma Marriage Disk - Shimaizuma Bubuzuke
NAN%
Tags
  • Asian-style Manor
  • Heroine With Kansai Accent
  • Childishly Violent Heroine
  • Married Heroine
  • Central Heroine
Rating 7.4320 Users
Shichinin no Online Gamers ~Offline~
Shichinin no Online Gamers ~Offline~
NAN%
Tags
  • Gaming
  • Virtual Reality
  • Gamer Heroine
  • Heroine with Visible Panties
  • Healer Heroine
Rating 6.9242 Users
Mite Kudasaimasu?
Mite Kudasaimasu?
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Medical Doctor Heroine
  • Fingering
  • Infidelity
Rating 5.7033 Users
Akabanzu ~Real na Sekai de Boku ga Kimi ni Dekiru Koto~
Akabanzu ~Real na Sekai de Boku ga Kimi ni Dekiru Koto~
NAN%
Tags
  • Genius Support Character
  • Transfer Student Heroine
  • School Sports Club
  • Trap Support Character
  • AI Heroine
Rating 6.6824 Users
Toraba!
Toraba!
NAN%
Tags
  • Romancing a Family
  • Swimming Club
  • Class President Heroine
  • Foolish Friend
  • Oyakodon Ending
Rating 6.8824 Users
Boku no "Natsuyasumi" Himitsu Taiken
Boku no "Natsuyasumi" Himitsu Taiken
44%
Tags
  • Landlady Heroine
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Blood-related Aunt/Nephew Incest
  • Heroine with Tan Lines
Rating 6.8822 Users
Boku no Himitsu Taiken
Boku no Himitsu Taiken
40%
Tags
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Shotacon
  • Meaningless Choices
  • Blood-related Aunt/Nephew Incest
Rating 6.6132 Users
Motto! Himitsu Taiken
Motto! Himitsu Taiken
36%
Tags
  • Shotacon
  • Shota Protagonist
  • Blood-related Cousin Incest
  • Lolicon
  • Design Story
Rating 6.5531 Users
Midara na Mansion
Midara na Mansion
35%
Tags
  • Janitor Protagonist
  • Promiscuous Heroine
  • Apartment Building
  • Married Heroine
  • Adult Heroine
Rating 6.7121 Users
Otouto Shibori ~Ane-tachi no Sei Kyouiku~
Otouto Shibori ~Ane-tachi no Sei Kyouiku~
32%
Tags
  • Shotacon
  • Pegging
  • Footjob
  • Shota Protagonist
  • Oneesan-type Heroine
Rating 6.1321 Users
Yarasete! Teacher
Yarasete! Teacher
32%
Tags
  • Straight Shotacon
  • School Nurse Support Character
  • Shota Protagonist
  • Perverted Protagonist
  • School
Rating 6.3131 Users
Onee x Shota
Onee x Shota
32%
Tags
  • Shimaidon with Twins Ending
  • Sister/Sister Incest
  • Triple Blowjob
  • Shota Protagonist
  • Twin Sisters as Heroines
Rating 6.3822 Users
Douryou no Oku-san ~Netori Tsuma, Netorare Tsuma~
Douryou no Oku-san ~Netori Tsuma, Netorare Tsuma~
31%
Tags
  • Netori
  • Clothed Male Naked Female
  • Wake-up Sex
  • Love Hotel
  • Sex in a Vehicle
Rating 7.0626 Users
Hitozuma♪ Kasumi-san 2 ~Oku-sama - Miboujin Owner to Kyoudou Seikatsu~
Hitozuma♪ Kasumi-san 2 ~Oku-sama - Miboujin Owner to Kyoudou Seikatsu~
31%
Tags
  • Only Adult Heroines
  • Vaginal Gaping
  • Widow Heroine
  • Stockings
  • Sexual Cosplay
Rating 7.1720 Users
Mama no Sakuranbo Gari♪
Mama no Sakuranbo Gari♪
31%
Tags
  • Shotacon Heroine
  • Nympho Protagonist
  • Infidelity
  • Incest
  • Heroine with Garter Belt
Rating 5.8231 Users
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
30%
Tags
  • Widow Heroine
  • Heroine with Armpit Hair
  • Heroine with Kimono
  • Dildos
  • Rope Bondage
Rating 6.8822 Users
Shimaizuma Marriage Disk - Shimaizuma Bubuzuke
Shimaizuma Marriage Disk - Shimaizuma Bubuzuke
29%
Tags
  • Asian-style Manor
  • Heroine With Kansai Accent
  • Childishly Violent Heroine
  • Married Heroine
  • Central Heroine
Rating 7.4320 Users
Mite Kudasaimasu?
Mite Kudasaimasu?
29%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Medical Doctor Heroine
  • Fingering
  • Infidelity
Rating 5.7033 Users
Toraba!
Toraba!
28%
Tags
  • Romancing a Family
  • Swimming Club
  • Class President Heroine
  • Foolish Friend
  • Oyakodon Ending
Rating 6.8824 Users
Aneboku ~Onee-chan wa Bijin 3 Shimai~
Aneboku ~Onee-chan wa Bijin 3 Shimai~
28%
Tags
  • Brother/Sister Romance
  • Protagonist with Phimosis
  • Romancing a Family
  • Protagonist's Non-blood-related Sister as a Heroine
  • Single Hole Multiple Objects Insertion (obsolete)
Rating 7.1623 Users
Danchi Wife ~Hitozuma Nude Model no Kenshin~
Danchi Wife ~Hitozuma Nude Model no Kenshin~
28%
Tags
  • Painter Protagonist
  • Heroine in Relationship with Other(s)
  • Widow Heroine
  • Harem Ending
  • Threesome Ending
Rating 7.0228 Users
Keiyaku Kanojo ~Shinmai Kanojo to Hajimeru, Tottemo H de Pure na Ren
Keiyaku Kanojo ~Shinmai Kanojo to Hajimeru, Tottemo H de Pure na Ren'ai Lesson~
28%
Tags
  • Sudden Girlfriend Appearance
  • Perverted Friend
  • Protagonist's Girlfriend as a Heroine
  • Time Travel
  • Super Deformed CG's
Rating 6.5821 Users
Ane ni mo Makezu ~Onee-chans wa Shigekiteki!~
Ane ni mo Makezu ~Onee-chans wa Shigekiteki!~
28%
Tags
  • Heroine with Bodystocking
  • Oyakodon
  • Heroine with Leotard
  • School Sports Club Member Heroine
  • Protagonist's Blood-related Sister as a Heroine
Rating 6.2631 Users
Shin NOZOKI-ma ~Gesshukuya Kanshi 24 Ji~
Shin NOZOKI-ma ~Gesshukuya Kanshi 24 Ji~
27%
Tags
  • Weak-willed Heroine
  • Uncle/Niece Incest
  • Voyeurism
  • Family
  • Lots of Choices
Rating 6.5823 Users
Son of a ☆ Bitch ~Saotome Nobara-chan, Maji Bitch!~
Son of a ☆ Bitch ~Saotome Nobara-chan, Maji Bitch!~
27%
Tags
  • Male on Trap
  • Student Council President Heroine
  • Legwear Footjob
  • Group Sex of Multiple Females and Males
  • Female Domination
Rating 6.2024 Users
Koi to Mizugi to Taiyou to ~Sumire-jima Life Savers~
Koi to Mizugi to Taiyou to ~Sumire-jima Life Savers~
27%
Tags
  • Lifeguard Heroine
  • Swimming Club
  • Summer
  • Heroine with Swimsuits
  • Perverted Friend
Rating 6.9021 Users
Shimaizuma ~Shimaizuma 3~
Shimaizuma ~Shimaizuma 3~
27%
Tags
  • Asian-style Manor
  • Heroine With Kansai Accent
  • Childishly Violent Heroine
  • Unrequited Love
  • Brief Branches Only
Rating 7.3138 Users
Eroge Shiyou yo!
Eroge Shiyou yo!
27%
Tags
  • Romancing a Family
  • Production of Pornography (Drawn)
  • Otaku Protagonist
  • Armpit Sex
  • Twin Handjob
Rating 5.8727 Users
Shojo Mama
Shojo Mama
27%
Tags
  • Non-blood-related Mother/Son Incest
  • Futanari on Male
  • Clumsy Heroine
  • Domicile
  • Cross-dressing
Rating 6.2420 Users

Tsuma x Heaven 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 (22 total)

NameScoreImportanceWeight
Infidelity2.501.503.76
Only Non-Virgin Heroines2.001.773.55
Promiscuous Heroine2.001.753.50
Adult Heroine3.001.133.40
Naked Heroine with Apron2.001.663.33
Heroine Having Sex with Others2.001.523.04
Married Heroine2.001.422.84
Perverted Heroine2.001.392.79
Under the Same Roof2.001.272.54
Student Protagonist2.001.262.52
Netori1.501.592.39
Blowjob2.001.122.24
Sixty-nine2.001.072.14
Nukige3.000.651.95
Missionary Position2.000.941.88
Cunnilingus2.000.931.86
Heroine with Big Breasts2.000.841.68
Cowgirl2.000.841.67
Doggy Style2.000.801.61
Multiple Endings2.000.671.34
Male Protagonist2.000.300.60
ADV2.000.140.29

Traits (125 total)

NameCharactersImportanceWeight
Sexual Fantasy Subject of (Sexual)42.223.57
Netorase (they are the shared SO) Subject of23.183.49
Netorase (their SO is shared) Engages in23.093.40
In-law Incest Engages in (Sexual)23.063.37
Sex involving Prostitution Engages in (Sexual)32.373.29
Consensual Porn Acting Engages in (Sexual)32.092.90
Sex with Others Engages in (Sexual)31.992.76
Vaginal Gaping Engages in (Sexual)31.952.70
Quiet Personality22.452.69
Double Fingering Engages in (Sexual)13.672.54
Promiscuous Personality22.192.40
Pubic Hair Hair51.342.39
Seduction Engages in22.172.39
Kanendosei Role13.412.36
Voyeurism Engages in (Sexual)22.142.35
Itome Eyes22.132.33
Not a Virgin Role41.412.28
Sex on Toilet Engages in (Sexual)22.032.23
Butterfly Engages in (Sexual)22.022.22
Facesitting Engages in (Sexual)21.972.17
Voyeurism Subject of21.952.15
Wife Role31.532.13
Landlord Role13.052.11
Group Sex of One Male and Several Females Engages in (Sexual)51.172.10
Slicked Back Hair21.912.10
Sex in Front of an Audience Engages in (Sexual)31.502.08
Consensual Porn Production Engages in (Sexual)12.992.07
Brother-in-law Role12.902.01
Husband Role21.801.97
Infidelity Engages in21.801.97
Butterfly Subject of (Sexual)41.171.89
Cowgirl Engages in (Sexual)21.711.88
Haori Clothes12.691.87
Nipple Sucking Engages in (Sexual)21.701.86
Handjob Engages in (Sexual)41.161.86
Adult Body31.341.86
Sister-in-law Role12.661.84
Seduction Subject of12.661.84
Big Breasts Body41.131.82
Grandfather Role12.621.82
No Bangs Hair21.651.81
Debt Subject of12.611.81
Pervert Personality21.631.79
Erotic Massage Subject of12.581.79
Gloomy Personality12.541.76
Sixty-nine Engages in (Sexual)31.261.74
Shadowed Eyes12.491.72
Kimono Clothes21.571.72
Secretary Role12.481.72
Blowjob Subject of (Sexual)21.521.67
Serious Personality21.491.63
Reverse Missionary Engages in (Sexual)12.351.63
Facesitting Subject of (Sexual)12.351.63
Sensitive Personality12.331.62
Dishonest Personality12.321.61
Office Worker Role12.311.60
Sexual Fantasy Engages in (Sexual)12.311.60
Housewife Role12.311.60
Teasing Engages in21.441.59
Infidelity Subject of12.281.58
Poor Role12.261.57
Knife Items12.241.55
Missionary Subject of (Sexual)31.121.55
Attempted Homicide Subject of12.221.54
Large Penis Body12.211.53
Bathroom Sex Engages in (Sexual)21.391.52
Goatee Hair12.191.52
Sexual Dominant Role12.161.50
Quickie Fix Subject of (Sexual)31.081.50
Attempted Murder Engages in12.161.50
Executive Role12.151.49
Wrinkles Body12.121.47
Flustered Personality12.121.47
Brother Complex Personality12.061.43
Sex in Public Places Engages in (Sexual)21.261.38
Neighbor Role11.991.38
Taciturn Personality11.941.35
Old Body11.931.34
Friendly Personality21.221.34
Cowgirl Subject of (Sexual)30.951.32
Younger Brother Role11.901.32
Quickie Fix Engages in (Sexual)11.881.30
Naked Apron Clothes11.881.30
Jealous Personality11.871.30
Doggy Style Subject of (Sexual)30.921.28
Cunnilingus Subject of (Sexual)21.161.28
Honest Personality11.831.27
Blunt Personality11.831.27
Sitting Sex Engages in (Sexual)11.821.26
Mature Personality11.811.26
Necktie Clothes21.121.23
Blowjob Engages in (Sexual)40.761.22
Handjob Subject of (Sexual)11.751.21
Missionary Engages in (Sexual)11.741.21
Reverse Missionary Subject of (Sexual)11.741.20
Older Brother Role11.731.20
Outgoing Personality11.731.20
Vaginal Masturbation Engages in (Sexual)11.681.16
Protective Personality11.671.16
Wealthy Role11.651.15
Teasing Subject of11.651.14
Vaginal Fingering Engages in (Sexual)11.621.12
Black Hair30.801.12
Cunnilingus Engages in (Sexual)11.551.08
Refined Personality11.541.07
Smart Personality11.461.01
Suit Clothes11.441.00
Black Eyes11.420.98
Cooking Engages in11.420.98
Jacket Clothes11.420.98
Short Hair40.610.98
Masturbation Engages in (Sexual)11.390.97
Grey Hair11.380.96
Nipple Sucking Subject of (Sexual)11.380.96
White Hair11.330.92
Curtained Hair11.300.90
Parted in Middle Hair11.250.87
Young-adult Body20.760.84
Vaginal Fingering Subject of (Sexual)11.080.75
Sitting Sex Subject of (Sexual)11.060.74
Kind Personality11.030.71
Blond Hair10.890.62
Virgin Sex Engages in (Sexual)10.850.59
Long Hair10.750.52
Pale Body30.370.51